🌌 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: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.54 AU - 0.72 AU

Year: 182 Days

Day: 35.6 Hours

Environment

Temp: 176 °C

Axial Tilt: 10.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 45,192,320 km

• M1: 149,747 km (0.111 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.78 AU - 0.88 AU

Year: 275 Days

Day: 34.8 Hours

Environment

Temp: 88 °C

Axial Tilt: 21 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 45,192,320 km

• M1: 834,158 km (0.069 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.75 AU - 1.07 AU

Year: 315 Days

Day: 34 Hours

Environment

Temp: 113 °C

Axial Tilt: 39.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.15 AU - 1.51 AU

Year: 557 Days

Day: 18.9 Hours

Environment

Temp: -14 °C

Axial Tilt: 38.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.28 AU - 3.62 AU

Year: 2329 Days

Day: 38 Hours

Environment

Temp: -120 °C

Axial Tilt: 9.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.4

Radius: 13.3

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 5.83 AU - 8.89 AU

Year: 7257 Days

Day: 5.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 45,192,320 km

• M1: 178,919 km (0.027 R)
• M2: 273,166 km (0.109 R)
• M3: 826,379 km (0.11 R)
• M4: 1,406,968 km (0.108 R)
• M5: 1,690,606 km (0.079 R)
• M6: 1,890,319 km (0.034 R)
• M7: 2,581,760 km (0.07 R)
• M8: 2,743,027 km (0.051 R)
• M9: 3,051,647 km (0.113 R)
• M10: 3,222,637 km (0.079 R)
• M11: 3,371,786 km (0.119 R)
• M12: 3,859,326 km (0.043 R)
• M13: 4,071,306 km (0.111 R)
• M14: 4,260,099 km (0.051 R)
• M15: 4,618,385 km (0.113 R)
• M16: 4,730,733 km (0.079 R)
• M17: 4,957,973 km (0.082 R)
• M18: 5,247,295 km (0.094 R)
• M19: 5,452,992 km (0.12 R)
• M20: 5,903,132 km (0.104 R)
• M21: 5,994,536 km (0.071 R)
• M22: 6,086,539 km (0.103 R)
• M23: 6,334,123 km (0.081 R)
• M24: 7,291,999 km (0.043 R)
• M25: 7,390,284 km (0.116 R)
• M26: 7,955,764 km (0.099 R)
• M27: 8,124,660 km (0.078 R)
• M28: 8,397,527 km (0.053 R)
• M29: 8,604,271 km (0.085 R)
• M30: 8,882,374 km (0.085 R)
• M31: 9,483,458 km (0.062 R)
• M32: 10,244,163 km (0.114 R)
• M33: 10,354,417 km (0.066 R)
• M34: 10,465,119 km (0.106 R)
• M35: 13,317,950 km (0.118 R)
• M36: 13,720,967 km (0.093 R)
• M37: 16,051,253 km (0.118 R)
• M38: 16,136,823 km (0.045 R)
• M39: 16,265,328 km (0.095 R)
• M40: 16,609,702 km (0.091 R)
• M41: 16,696,170 km (0.026 R)
• M42: 17,043,536 km (0.077 R)
• M43: 17,261,949 km (0.102 R)
• M44: 17,966,854 km (0.116 R)
• M45: 18,412,207 km (0.113 R)
• M46: 18,501,816 km (0.085 R)
• M47: 18,861,300 km (0.115 R)
• M48: 19,359,460 km (0.119 R)
• M49: 20,230,120 km (0.104 R)
• M50: 20,415,023 km (0.101 R)
• M51: 21,301,091 km (0.097 R)
• M52: 22,199,726 km (0.054 R)
• M53: 23,159,097 km (0.1 R)
• M54: 23,595,175 km (0.096 R)
• M55: 23,741,182 km (0.081 R)
• M56: 24,033,945 km (0.109 R)
• M57: 25,566,127 km (0.085 R)
• M58: 25,666,058 km (0.046 R)
• M59: 26,117,395 km (0.099 R)
• M60: 27,180,736 km (0.098 R)
• M61: 29,245,037 km (0.06 R)
• M62: 30,190,496 km (0.1 R)
• M63: 30,826,287 km (0.056 R)
• M64: 30,985,908 km (0.049 R)
• M65: 31,145,828 km (0.088 R)
• M66: 31,252,641 km (0.105 R)
• M67: 32,165,038 km (0.065 R)
• M68: 32,381,058 km (0.109 R)
• M69: 32,597,526 km (0.049 R)
• M70: 32,760,139 km (0.115 R)
• M71: 33,086,262 km (0.076 R)
• M72: 33,195,169 km (0.059 R)
• M73: 33,413,432 km (0.113 R)
• M74: 34,181,169 km (0.118 R)
• M75: 37,877,732 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.5

Radius: 12.6

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 7.15 AU - 9.53 AU

Year: 8753 Days

Day: 9.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 45,192,320 km

• M1: 180,265 km (0.076 R)
• M2: 288,125 km (0.096 R)
• M3: 648,357 km (0.072 R)
• M4: 778,807 km (0.109 R)
• M5: 1,208,751 km (0.041 R)
• M6: 1,527,843 km (0.119 R)
• M7: 1,811,032 km (0.095 R)
• M8: 1,895,106 km (0.055 R)
• M9: 2,290,343 km (0.09 R)
• M10: 2,381,748 km (0.094 R)
• M11: 2,663,590 km (0.112 R)
• M12: 3,363,409 km (0.091 R)
• M13: 3,547,115 km (0.044 R)
• M14: 3,734,112 km (0.111 R)
• M15: 4,230,329 km (0.116 R)
• M16: 4,428,995 km (0.072 R)
• M17: 5,284,994 km (0.073 R)
• M18: 5,437,883 km (0.04 R)
• M19: 6,000,071 km (0.058 R)
• M20: 6,482,824 km (0.069 R)
• M21: 6,679,395 km (0.117 R)
• M22: 7,281,377 km (0.066 R)
• M23: 7,417,511 km (0.107 R)
• M24: 7,520,135 km (0.105 R)
• M25: 7,726,880 km (0.063 R)
• M26: 8,181,358 km (0.07 R)
• M27: 8,752,672 km (0.084 R)
• M28: 8,897,633 km (0.111 R)
• M29: 9,337,002 km (0.057 R)
• M30: 9,708,752 km (0.098 R)
• M31: 10,199,134 km (0.099 R)
• M32: 11,204,282 km (0.064 R)
• M33: 11,361,659 km (0.072 R)
• M34: 12,525,082 km (0.093 R)
• M35: 12,976,269 km (0.058 R)
• M36: 14,618,854 km (0.063 R)
• M37: 14,963,826 km (0.046 R)
• M38: 16,015,050 km (0.044 R)
• M39: 16,281,634 km (0.072 R)
• M40: 17,226,045 km (0.08 R)
• M41: 17,362,329 km (0.076 R)
• M42: 17,499,061 km (0.071 R)
• M43: 18,003,505 km (0.12 R)
• M44: 18,188,109 km (0.115 R)
• M45: 18,512,736 km (0.116 R)
• M46: 18,792,485 km (0.094 R)
• M47: 18,979,781 km (0.092 R)
• M48: 21,032,114 km (0.114 R)
• M49: 21,519,504 km (0.074 R)
• M50: 22,158,586 km (0.101 R)
• M51: 22,903,883 km (0.118 R)
• M52: 23,960,941 km (0.101 R)
• M53: 24,316,984 km (0.059 R)
• M54: 24,521,036 km (0.106 R)
• M55: 24,931,084 km (0.113 R)
• M56: 25,085,469 km (0.092 R)
• M57: 26,436,637 km (0.112 R)
• M58: 27,068,089 km (0.099 R)
• M59: 27,704,628 km (0.09 R)
• M60: 27,917,955 km (0.104 R)
• M61: 28,453,515 km (0.105 R)
• M62: 28,668,637 km (0.059 R)
• M63: 29,807,226 km (0.096 R)
• M64: 30,025,789 km (0.091 R)
• M65: 30,354,605 km (0.107 R)
• M66: 31,348,234 km (0.086 R)
• M67: 31,459,385 km (0.065 R)
• M68: 31,626,187 km (0.117 R)
• M69: 33,424,203 km (0.085 R)
• M70: 33,594,446 km (0.055 R)
• M71: 33,764,987 km (0.119 R)
• M72: 35,255,281 km (0.118 R)
• M73: 35,544,304 km (0.117 R)
• M74: 35,717,988 km (0.106 R)
• M75: 36,124,744 km (0.109 R)
• M76: 36,241,131 km (0.086 R)
• M77: 37,353,840 km (0.114 R)
• M78: 38,596,550 km (0.099 R)
• M79: 38,775,170 km (0.12 R)
• M80: 39,193,146 km (0.09 R)
• M81: 39,492,641 km (0.11 R)
• M82: 40,274,739 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.6

Radius: 11.5

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 7.03 AU - 10.93 AU

Year: 9780 Days

Day: 14.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 45,192,320 km

• M1: 154,834 km (0.112 R)
• M2: 229,334 km (0.066 R)
• M3: 437,574 km (0.047 R)
• M4: 547,379 km (0.096 R)
• M5: 782,397 km (0.07 R)
• M6: 957,875 km (0.047 R)
• M7: 1,031,926 km (0.118 R)
• M8: 1,108,071 km (0.055 R)
• M9: 1,327,980 km (0.059 R)
• M10: 1,497,026 km (0.114 R)
• M11: 1,606,532 km (0.109 R)
• M12: 1,787,395 km (0.064 R)
• M13: 2,319,814 km (0.076 R)
• M14: 2,683,636 km (0.055 R)
• M15: 2,845,202 km (0.049 R)
• M16: 3,065,709 km (0.109 R)
• M17: 3,582,570 km (0.038 R)
• M18: 3,942,353 km (0.109 R)
• M19: 4,345,369 km (0.04 R)
• M20: 4,503,943 km (0.065 R)
• M21: 4,794,163 km (0.096 R)
• M22: 4,991,183 km (0.088 R)
• M23: 5,224,406 km (0.113 R)
• M24: 5,325,535 km (0.066 R)
• M25: 5,701,624 km (0.078 R)
• M26: 6,264,261 km (0.082 R)
• M27: 7,141,503 km (0.089 R)
• M28: 7,291,400 km (0.107 R)
• M29: 7,442,494 km (0.067 R)
• M30: 7,556,488 km (0.098 R)
• M31: 9,049,624 km (0.116 R)
• M32: 9,539,856 km (0.112 R)
• M33: 9,622,434 km (0.117 R)
• M34: 10,080,653 km (0.086 R)
• M35: 10,164,876 km (0.073 R)
• M36: 12,613,045 km (0.103 R)
• M37: 12,794,657 km (0.076 R)
• M38: 12,885,762 km (0.098 R)
• M39: 13,576,156 km (0.089 R)
• M40: 14,090,025 km (0.088 R)
• M41: 14,184,272 km (0.082 R)
• M42: 14,467,909 km (0.117 R)
• M43: 15,669,928 km (0.093 R)
• M44: 16,555,248 km (0.067 R)
• M45: 17,507,140 km (0.101 R)
• M46: 18,117,649 km (0.082 R)
• M47: 18,271,286 km (0.104 R)
• M48: 20,255,552 km (0.075 R)
• M49: 20,842,574 km (0.113 R)
• M50: 20,949,985 km (0.099 R)
• M51: 22,527,046 km (0.114 R)
• M52: 23,135,161 km (0.082 R)
• M53: 23,469,213 km (0.086 R)
• M54: 24,198,503 km (0.099 R)
• M55: 25,106,113 km (0.072 R)
• M56: 26,140,582 km (0.073 R)
• M57: 26,546,741 km (0.11 R)
• M58: 27,482,625 km (0.116 R)
• M59: 28,073,088 km (0.095 R)
• M60: 28,429,430 km (0.058 R)
• M61: 28,846,957 km (0.075 R)
• M62: 29,688,296 km (0.062 R)
• M63: 30,051,220 km (0.118 R)
• M64: 30,904,078 km (0.108 R)
• M65: 31,518,027 km (0.058 R)
• M66: 31,888,282 km (0.096 R)
• M67: 32,197,950 km (0.057 R)
• M68: 32,758,044 km (0.05 R)
• M69: 34,457,326 km (0.101 R)
• M70: 35,605,939 km (0.069 R)
• M71: 36,056,079 km (0.117 R)
• M72: 36,572,790 km (0.088 R)
• M73: 37,026,969 km (0.077 R)
• M74: 38,269,080 km (0.058 R)
• M75: 38,664,168 km (0.113 R)
• M76: 39,458,383 km (0.117 R)
• M77: 39,591,376 km (0.095 R)
• M78: 39,724,368 km (0.095 R)
• M79: 39,857,510 km (0.044 R)
• M80: 43,853,269 km (0.054 R)
• M81: 44,059,714 km (0.109 R)
• M82: 44,335,723 km (0.065 R)
• M83: 44,473,801 km (0.114 R)
• M84: 44,750,557 km (0.08 R)
• M85: 45,863,416 km (0.115 R)
• M86: 46,003,290 km (0.118 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.2

Radius: 11.8

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 7.54 AU - 10.42 AU

Year: 9780 Days

Day: 10.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 45,192,320 km

• M1: 213,476 km (0.047 R)
• M2: 380,876 km (0.1 R)
• M3: 1,322,595 km (0.091 R)
• M4: 1,465,760 km (0.11 R)
• M5: 1,549,834 km (0.093 R)
• M6: 2,209,561 km (0.12 R)
• M7: 3,444,491 km (0.093 R)
• M8: 3,644,204 km (0.096 R)
• M9: 3,731,120 km (0.078 R)
• M10: 3,936,369 km (0.076 R)
• M11: 4,085,368 km (0.076 R)
• M12: 4,266,681 km (0.092 R)
• M13: 4,512,620 km (0.06 R)
• M14: 4,606,118 km (0.096 R)
• M15: 4,794,911 km (0.101 R)
• M16: 5,083,036 km (0.092 R)
• M17: 5,609,322 km (0.102 R)
• M18: 6,431,362 km (0.09 R)
• M19: 6,928,326 km (0.116 R)
• M20: 7,364,254 km (0.113 R)
• M21: 7,437,707 km (0.079 R)
• M22: 8,300,887 km (0.111 R)
• M23: 8,959,267 km (0.044 R)
• M24: 9,554,068 km (0.099 R)
• M25: 9,674,644 km (0.104 R)
• M26: 9,998,523 km (0.104 R)
• M27: 10,202,724 km (0.11 R)
• M28: 10,656,904 km (0.091 R)
• M29: 11,799,831 km (0.092 R)
• M30: 12,320,282 km (0.103 R)
• M31: 12,627,407 km (0.033 R)
• M32: 12,759,801 km (0.108 R)
• M33: 13,114,946 km (0.032 R)
• M34: 13,249,135 km (0.097 R)
• M35: 13,518,561 km (0.092 R)
• M36: 13,926,365 km (0.113 R)
• M37: 14,108,874 km (0.109 R)
• M38: 14,200,428 km (0.084 R)
• M39: 14,292,132 km (0.086 R)
• M40: 15,502,827 km (0.093 R)
• M41: 15,929,630 km (0.11 R)
• M42: 16,216,260 km (0.103 R)
• M43: 17,773,873 km (0.107 R)
• M44: 18,671,011 km (0.091 R)
• M45: 18,872,370 km (0.062 R)
• M46: 19,838,622 km (0.107 R)
• M47: 20,198,555 km (0.112 R)
• M48: 20,301,927 km (0.118 R)
• M49: 20,457,060 km (0.095 R)
• M50: 21,186,798 km (0.073 R)
• M51: 21,344,325 km (0.034 R)
• M52: 22,244,007 km (0.085 R)
• M53: 22,886,529 km (0.106 R)
• M54: 23,861,758 km (0.092 R)
• M55: 25,517,208 km (0.073 R)
• M56: 27,380,749 km (0.11 R)
• M57: 28,300,028 km (0.049 R)
• M58: 29,287,822 km (0.073 R)
• M59: 29,932,888 km (0.117 R)
• M60: 30,405,019 km (0.113 R)
• M61: 30,998,773 km (0.059 R)
• M62: 31,956,648 km (0.069 R)
• M63: 32,439,251 km (0.116 R)
• M64: 32,681,450 km (0.076 R)
• M65: 32,984,984 km (0.082 R)
• M66: 34,208,695 km (0.073 R)
• M67: 34,702,368 km (0.05 R)
• M68: 34,888,019 km (0.12 R)
• M69: 35,759,127 km (0.064 R)
• M70: 36,448,624 km (0.116 R)
• M71: 36,637,416 km (0.104 R)
• M72: 36,763,527 km (0.078 R)
• M73: 38,607,321 km (0.108 R)
• M74: 39,185,666 km (0.099 R)
• M75: 39,572,826 km (0.109 R)
• M76: 39,702,228 km (0.117 R)
• M77: 40,611,484 km (0.085 R)
• M78: 42,252,273 km (0.072 R)
• M79: 42,583,034 km (0.093 R)
• M80: 44,048,495 km (0.104 R)
• M81: 44,585,551 km (0.115 R)

Kuiper Belt

Range: 30.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 362 - 13,200 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit