🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.59 AU - 0.67 AU

Year: 176 Days

Day: 36.9 Hours

Environment

Temp: 232 °C

Axial Tilt: 1.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.02 AU - 1.49 AU

Year: 491 Days

Day: 20.5 Hours

Environment

Temp: 3 °C

Axial Tilt: 19.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.35 AU - 1.95 AU

Year: 745 Days

Day: 26.6 Hours

Environment

Temp: -30 °C

Axial Tilt: 39.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 89,658,543 km

• M1: 80,334 km (0.045 R)
• M2: 409,599 km (0.039 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 3.34 AU - 5.22 AU

Year: 3112 Days

Day: 23.8 Hours

Environment

Temp: -113 °C

Axial Tilt: 25.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 5.13 AU - 5.65 AU

Year: 4398 Days

Day: 45.8 Hours

Environment

Temp: -133 °C

Axial Tilt: 20.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546

Radius: 12.2

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 4.8 AU - 7.54 AU

Year: 5386 Days

Day: 12 Hours

Environment

Temp: -149 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 89,658,543 km

• M1: 195,076 km (0.117 R)
• M2: 303,833 km (0.095 R)
• M3: 539,600 km (0.062 R)
• M4: 826,528 km (0.097 R)
• M5: 942,018 km (0.056 R)
• M6: 1,091,316 km (0.054 R)
• M7: 1,383,631 km (0.064 R)
• M8: 1,476,531 km (0.08 R)
• M9: 1,751,193 km (0.083 R)
• M10: 1,920,687 km (0.115 R)
• M11: 2,113,519 km (0.061 R)
• M12: 2,652,819 km (0.088 R)
• M13: 2,750,058 km (0.063 R)
• M14: 2,868,539 km (0.082 R)
• M15: 3,593,191 km (0.094 R)
• M16: 3,810,557 km (0.118 R)
• M17: 4,144,609 km (0.06 R)
• M18: 4,349,857 km (0.087 R)
• M19: 4,652,045 km (0.109 R)
• M20: 4,817,799 km (0.1 R)
• M21: 4,913,243 km (0.105 R)
• M22: 5,009,434 km (0.073 R)
• M23: 5,326,432 km (0.114 R)
• M24: 5,625,030 km (0.113 R)
• M25: 5,852,568 km (0.112 R)
• M26: 5,929,012 km (0.091 R)
• M27: 6,005,906 km (0.1 R)
• M28: 6,579,763 km (0.09 R)
• M29: 7,116,820 km (0.11 R)
• M30: 8,520,496 km (0.038 R)
• M31: 8,811,315 km (0.073 R)
• M32: 9,046,482 km (0.12 R)
• M33: 9,764,253 km (0.092 R)
• M34: 9,885,577 km (0.114 R)
• M35: 10,099,352 km (0.103 R)
• M36: 10,191,355 km (0.087 R)
• M37: 10,687,122 km (0.048 R)
• M38: 10,906,582 km (0.092 R)
• M39: 11,254,248 km (0.059 R)
• M40: 11,831,247 km (0.077 R)
• M41: 12,025,724 km (0.101 R)
• M42: 12,123,411 km (0.11 R)
• M43: 12,221,248 km (0.113 R)
• M44: 12,582,527 km (0.1 R)
• M45: 12,681,711 km (0.098 R)
• M46: 13,484,154 km (0.099 R)
• M47: 13,619,540 km (0.046 R)
• M48: 14,028,241 km (0.096 R)
• M49: 14,372,017 km (0.107 R)
• M50: 14,718,635 km (0.04 R)
• M51: 15,349,340 km (0.112 R)
• M52: 16,709,783 km (0.092 R)
• M53: 16,818,840 km (0.061 R)
• M54: 16,964,698 km (0.092 R)
• M55: 17,074,203 km (0.066 R)
• M56: 17,404,515 km (0.089 R)
• M57: 17,625,920 km (0.041 R)
• M58: 18,183,322 km (0.104 R)
• M59: 18,482,967 km (0.118 R)
• M60: 18,859,953 km (0.087 R)
• M61: 19,125,340 km (0.087 R)
• M62: 19,353,776 km (0.111 R)
• M63: 19,851,787 km (0.06 R)
• M64: 19,967,277 km (0.109 R)
• M65: 20,199,153 km (0.09 R)
• M66: 20,276,495 km (0.093 R)
• M67: 20,354,137 km (0.077 R)
• M68: 20,431,778 km (0.08 R)
• M69: 20,704,345 km (0.112 R)
• M70: 20,860,675 km (0.118 R)
• M71: 21,095,843 km (0.066 R)
• M72: 22,404,974 km (0.084 R)
• M73: 23,332,929 km (0.096 R)
• M74: 23,455,001 km (0.066 R)
• M75: 24,191,172 km (0.09 R)
• M76: 25,602,628 km (0.113 R)
• M77: 26,699,929 km (0.107 R)
• M78: 26,998,077 km (0.076 R)
• M79: 27,126,133 km (0.12 R)
• M80: 27,211,553 km (0.087 R)
• M81: 27,297,123 km (0.102 R)
• M82: 29,422,012 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.2

Radius: 14.4

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 7.62 AU - 10.16 AU

Year: 9316 Days

Day: 9.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 89,658,543 km

• M1: 215,870 km (0.107 R)
• M2: 313,856 km (0.085 R)
• M3: 530,773 km (0.062 R)
• M4: 1,343,987 km (0.116 R)
• M5: 1,569,132 km (0.076 R)
• M6: 1,955,843 km (0.065 R)
• M7: 2,292,438 km (0.066 R)
• M8: 2,875,869 km (0.042 R)
• M9: 4,045,426 km (0.1 R)
• M10: 4,342,228 km (0.056 R)
• M11: 5,062,841 km (0.11 R)
• M12: 5,240,114 km (0.059 R)
• M13: 5,820,853 km (0.116 R)
• M14: 6,156,700 km (0.068 R)
• M15: 6,384,239 km (0.079 R)
• M16: 6,808,498 km (0.104 R)
• M17: 6,925,783 km (0.051 R)
• M18: 7,043,816 km (0.091 R)
• M19: 7,442,045 km (0.072 R)
• M20: 7,725,384 km (0.096 R)
• M21: 7,847,755 km (0.101 R)
• M22: 8,723,351 km (0.112 R)
• M23: 11,345,802 km (0.053 R)
• M24: 11,907,243 km (0.064 R)
• M25: 12,669,892 km (0.106 R)
• M26: 13,105,821 km (0.101 R)
• M27: 13,350,114 km (0.112 R)
• M28: 13,448,400 km (0.099 R)
• M29: 16,345,961 km (0.111 R)
• M30: 16,926,849 km (0.062 R)
• M31: 17,139,727 km (0.034 R)
• M32: 19,372,775 km (0.115 R)
• M33: 19,651,326 km (0.116 R)
• M34: 19,987,472 km (0.06 R)
• M35: 21,753,924 km (0.082 R)
• M36: 22,392,707 km (0.095 R)
• M37: 23,569,893 km (0.073 R)
• M38: 23,807,753 km (0.102 R)
• M39: 25,009,024 km (0.086 R)
• M40: 25,984,402 km (0.081 R)
• M41: 26,168,557 km (0.1 R)
• M42: 26,291,676 km (0.035 R)
• M43: 26,476,579 km (0.083 R)
• M44: 27,283,211 km (0.085 R)
• M45: 27,470,507 km (0.108 R)
• M46: 28,034,940 km (0.115 R)
• M47: 28,350,143 km (0.075 R)
• M48: 28,666,542 km (0.101 R)
• M49: 29,175,325 km (0.12 R)
• M50: 29,686,949 km (0.092 R)
• M51: 31,566,647 km (0.085 R)
• M52: 31,828,892 km (0.075 R)
• M53: 32,157,857 km (0.088 R)
• M54: 32,487,870 km (0.116 R)
• M55: 32,686,387 km (0.051 R)
• M56: 32,951,773 km (0.036 R)
• M57: 33,351,200 km (0.097 R)
• M58: 34,558,903 km (0.109 R)
• M59: 35,372,117 km (0.105 R)
• M60: 35,986,067 km (0.104 R)
• M61: 38,477,320 km (0.094 R)
• M62: 38,968,151 km (0.063 R)
• M63: 39,885,335 km (0.094 R)
• M64: 40,168,823 km (0.082 R)
• M65: 40,809,402 km (0.082 R)
• M66: 41,166,791 km (0.044 R)
• M67: 41,956,668 km (0.112 R)
• M68: 43,041,701 km (0.077 R)
• M69: 43,770,243 km (0.042 R)
• M70: 43,989,703 km (0.071 R)
• M71: 44,136,009 km (0.083 R)
• M72: 44,870,685 km (0.111 R)
• M73: 47,098,795 km (0.114 R)
• M74: 48,226,464 km (0.075 R)
• M75: 48,679,895 km (0.088 R)
• M76: 49,591,245 km (0.111 R)
• M77: 50,431,537 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 284.7

Radius: 6.2

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 11.07 AU - 15.93 AU

Year: 17433 Days

Day: 18.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 89,658,543 km

• M1: 95,443 km (0.076 R)
• M2: 145,110 km (0.077 R)
• M3: 522,396 km (0.067 R)
• M4: 587,471 km (0.116 R)
• M5: 744,399 km (0.072 R)
• M6: 1,014,872 km (0.077 R)
• M7: 1,076,656 km (0.12 R)
• M8: 1,204,113 km (0.113 R)
• M9: 1,314,217 km (0.085 R)
• M10: 1,520,812 km (0.12 R)
• M11: 1,615,956 km (0.114 R)
• M12: 1,713,195 km (0.117 R)
• M13: 1,862,643 km (0.103 R)
• M14: 2,446,374 km (0.103 R)
• M15: 2,904,293 km (0.053 R)
• M16: 2,963,384 km (0.105 R)
• M17: 4,429,743 km (0.11 R)
• M18: 4,600,883 km (0.084 R)
• M19: 5,127,317 km (0.047 R)
• M20: 6,198,289 km (0.036 R)
• M21: 7,015,392 km (0.096 R)
• M22: 7,701,598 km (0.12 R)
• M23: 7,824,866 km (0.069 R)
• M24: 7,907,444 km (0.101 R)
• M25: 8,578,391 km (0.085 R)
• M26: 9,530,581 km (0.037 R)
• M27: 9,795,968 km (0.097 R)
• M28: 9,974,288 km (0.116 R)
• M29: 10,927,975 km (0.071 R)
• M30: 11,626,896 km (0.095 R)
• M31: 11,815,838 km (0.114 R)
• M32: 12,148,693 km (0.088 R)
• M33: 12,292,307 km (0.073 R)
• M34: 12,775,060 km (0.059 R)
• M35: 12,872,298 km (0.099 R)
• M36: 12,921,067 km (0.066 R)
• M37: 13,067,673 km (0.104 R)
• M38: 13,858,896 km (0.068 R)
• M39: 14,614,665 km (0.053 R)
• M40: 14,716,391 km (0.079 R)
• M41: 14,920,742 km (0.097 R)
• M42: 15,435,508 km (0.119 R)
• M43: 15,487,269 km (0.098 R)
• M44: 15,591,090 km (0.076 R)
• M45: 16,271,162 km (0.106 R)
• M46: 16,854,295 km (0.093 R)
• M47: 17,390,304 km (0.074 R)
• M48: 17,877,394 km (0.05 R)
• M49: 18,204,714 km (0.109 R)
• M50: 18,865,189 km (0.072 R)
• M51: 19,087,043 km (0.085 R)
• M52: 19,983,284 km (0.112 R)
• M53: 20,039,832 km (0.115 R)
• M54: 20,950,583 km (0.04 R)
• M55: 21,353,301 km (0.086 R)
• M56: 21,642,474 km (0.034 R)
• M57: 21,700,368 km (0.067 R)
• M58: 21,816,605 km (0.089 R)
• M59: 22,753,238 km (0.111 R)
• M60: 23,167,175 km (0.113 R)
• M61: 23,226,416 km (0.038 R)
• M62: 23,762,724 km (0.101 R)
• M63: 24,423,648 km (0.076 R)
• M64: 25,029,818 km (0.031 R)
• M65: 26,195,036 km (0.047 R)
• M66: 27,440,588 km (0.058 R)
• M67: 27,755,043 km (0.115 R)
• M68: 30,572,718 km (0.071 R)
• M69: 33,413,133 km (0.1 R)
• M70: 34,085,576 km (0.109 R)
• M71: 34,355,899 km (0.082 R)
• M72: 34,491,285 km (0.05 R)
• M73: 34,626,821 km (0.119 R)
• M74: 34,762,656 km (0.113 R)
• M75: 35,102,841 km (0.109 R)
• M76: 35,512,440 km (0.066 R)
• M77: 36,336,425 km (0.036 R)
• M78: 36,474,504 km (0.12 R)
• M79: 37,933,532 km (0.085 R)
• M80: 40,621,806 km (0.074 R)
• M81: 41,195,514 km (0.076 R)
• M82: 41,627,552 km (0.092 R)
• M83: 41,988,682 km (0.031 R)
• M84: 42,278,453 km (0.062 R)
• M85: 42,932,794 km (0.12 R)
• M86: 44,104,145 km (0.045 R)
• M87: 45,880,919 km (0.034 R)
• M88: 46,328,665 km (0.095 R)
• M89: 47,680,881 km (0.084 R)
• M90: 48,286,004 km (0.095 R)
• M91: 49,580,325 km (0.103 R)
• M92: 50,423,907 km (0.096 R)
• M93: 51,504,453 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 965.2

Radius: 6.9

Gravity: 20.27 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 14.06 AU - 17.04 AU

Year: 21551 Days

Day: 23.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 89,658,543 km

• M1: 284,386 km (0.043 R)
• M2: 378,034 km (0.054 R)
• M3: 969,544 km (0.1 R)
• M4: 1,272,779 km (0.117 R)
• M5: 1,336,956 km (0.095 R)
• M6: 1,709,305 km (0.092 R)
• M7: 1,816,268 km (0.099 R)
• M8: 1,962,574 km (0.096 R)
• M9: 2,189,066 km (0.071 R)
• M10: 3,220,842 km (0.085 R)
• M11: 3,309,254 km (0.051 R)
• M12: 3,443,145 km (0.105 R)
• M13: 5,289,482 km (0.092 R)
• M14: 5,393,901 km (0.096 R)
• M15: 5,604,834 km (0.055 R)
• M16: 5,764,754 km (0.09 R)
• M17: 5,872,315 km (0.103 R)
• M18: 6,755,989 km (0.029 R)
• M19: 7,917,916 km (0.032 R)
• M20: 7,977,606 km (0.071 R)
• M21: 8,460,657 km (0.104 R)
• M22: 10,030,537 km (0.098 R)
• M23: 11,552,247 km (0.099 R)
• M24: 12,029,464 km (0.107 R)
• M25: 13,357,145 km (0.095 R)
• M26: 13,714,086 km (0.058 R)
• M27: 13,785,893 km (0.077 R)
• M28: 14,364,836 km (0.11 R)
• M29: 14,437,691 km (0.099 R)
• M30: 17,066,125 km (0.111 R)
• M31: 17,143,467 km (0.105 R)
• M32: 18,474,290 km (0.046 R)
• M33: 19,272,544 km (0.109 R)
• M34: 19,353,028 km (0.11 R)
• M35: 19,756,942 km (0.096 R)
• M36: 19,838,024 km (0.117 R)
• M37: 21,068,018 km (0.065 R)
• M38: 23,687,327 km (0.114 R)
• M39: 24,205,983 km (0.115 R)
• M40: 25,254,514 km (0.091 R)
• M41: 25,784,390 km (0.094 R)
• M42: 25,873,101 km (0.117 R)
• M43: 27,577,021 km (0.11 R)
• M44: 29,131,941 km (0.114 R)
• M45: 30,340,243 km (0.1 R)
• M46: 32,039,974 km (0.054 R)
• M47: 35,235,684 km (0.113 R)
• M48: 36,522,076 km (0.102 R)
• M49: 37,121,066 km (0.07 R)
• M50: 38,835,607 km (0.115 R)
• M51: 39,753,839 km (0.089 R)
• M52: 40,266,960 km (0.089 R)
• M53: 41,299,783 km (0.107 R)
• M54: 41,819,636 km (0.093 R)
• M55: 44,983,033 km (0.063 R)
• M56: 45,624,957 km (0.092 R)
• M57: 46,269,873 km (0.094 R)
• M58: 46,377,733 km (0.116 R)
• M59: 47,026,091 km (0.09 R)
• M60: 51,425,016 km (0.109 R)
• M61: 51,760,265 km (0.076 R)
• M62: 52,770,200 km (0.107 R)
• M63: 54,013,358 km (0.079 R)
• M64: 55,151,798 km (0.115 R)
• M65: 56,643,588 km (0.087 R)
• M66: 56,874,268 km (0.055 R)
• M67: 57,105,247 km (0.087 R)
• M68: 58,731,077 km (0.1 R)
• M69: 58,847,763 km (0.041 R)
• M70: 59,315,406 km (0.063 R)
• M71: 60,254,282 km (0.099 R)
• M72: 60,489,749 km (0.107 R)
• M73: 64,780,665 km (0.075 R)
• M74: 67,695,280 km (0.111 R)
• M75: 69,909,179 km (0.095 R)
• M76: 70,156,614 km (0.105 R)
• M77: 72,897,846 km (0.12 R)
• M78: 74,281,476 km (0.093 R)
• M79: 74,913,378 km (0.05 R)
• M80: 76,182,267 km (0.119 R)
• M81: 76,947,011 km (0.046 R)
• M82: 77,842,504 km (0.105 R)
• M83: 78,355,774 km (0.085 R)
• M84: 78,870,092 km (0.117 R)
• M85: 79,514,709 km (0.054 R)
• M86: 79,902,168 km (0.058 R)
• M87: 80,160,972 km (0.09 R)
• M88: 80,290,374 km (0.095 R)
• M89: 81,588,884 km (0.098 R)
• M90: 82,894,424 km (0.114 R)
• M91: 84,469,989 km (0.058 R)
• M92: 85,525,851 km (0.072 R)
• M93: 87,650,739 km (0.084 R)

Kuiper Belt

Range: 31.2 - 54.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 482 - 14,271 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit