🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.5 AU - 0.82 AU

Year: 203 Days

Day: 24.4 Hours

Environment

Temp: 187 °C

Axial Tilt: 33.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.68 AU - 0.84 AU

Year: 251 Days

Day: 21.4 Hours

Environment

Temp: 123 °C

Axial Tilt: 18.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.91 AU - 4.35 AU

Year: 3179 Days

Day: 32.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 23.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 30,474,904 km

• M1: 542,891 km (0.119 R)
• M2: 1,251,536 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.5

Radius: 14.5

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 6.11 AU - 8.99 AU

Year: 7857 Days

Day: 7.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 30,474,904 km

• M1: 217,665 km (0.11 R)
• M2: 327,919 km (0.105 R)
• M3: 445,951 km (0.12 R)
• M4: 688,300 km (0.036 R)
• M5: 1,024,895 km (0.061 R)
• M6: 1,221,915 km (0.096 R)
• M7: 1,342,940 km (0.068 R)
• M8: 1,450,202 km (0.037 R)
• M9: 1,655,001 km (0.11 R)
• M10: 2,219,883 km (0.058 R)
• M11: 2,591,484 km (0.07 R)
• M12: 2,750,506 km (0.115 R)
• M13: 3,320,474 km (0.09 R)
• M14: 3,695,516 km (0.094 R)
• M15: 4,031,812 km (0.108 R)
• M16: 4,190,386 km (0.032 R)
• M17: 4,324,276 km (0.057 R)
• M18: 5,387,767 km (0.048 R)
• M19: 5,621,738 km (0.067 R)
• M20: 5,859,150 km (0.107 R)
• M21: 6,009,197 km (0.115 R)
• M22: 6,905,139 km (0.114 R)
• M23: 7,031,998 km (0.062 R)
• M24: 7,255,946 km (0.049 R)
• M25: 7,482,287 km (0.078 R)
• M26: 7,975,062 km (0.108 R)
• M27: 9,201,017 km (0.119 R)
• M28: 9,340,891 km (0.097 R)
• M29: 9,658,188 km (0.097 R)
• M30: 10,558,169 km (0.116 R)
• M31: 10,888,780 km (0.065 R)
• M32: 11,297,482 km (0.079 R)
• M33: 11,597,874 km (0.043 R)
• M34: 12,091,846 km (0.105 R)
• M35: 12,787,028 km (0.11 R)
• M36: 13,297,306 km (0.057 R)
• M37: 13,574,810 km (0.072 R)
• M38: 13,814,316 km (0.093 R)
• M39: 14,176,044 km (0.046 R)
• M40: 14,337,909 km (0.081 R)
• M41: 14,745,114 km (0.07 R)
• M42: 15,737,846 km (0.116 R)
• M43: 15,863,508 km (0.111 R)
• M44: 15,989,469 km (0.068 R)
• M45: 16,242,439 km (0.049 R)
• M46: 16,411,784 km (0.072 R)
• M47: 17,440,419 km (0.072 R)
• M48: 17,962,516 km (0.112 R)
• M49: 18,093,862 km (0.112 R)
• M50: 18,666,673 km (0.099 R)
• M51: 18,977,687 km (0.117 R)
• M52: 19,335,076 km (0.097 R)
• M53: 19,469,714 km (0.065 R)
• M54: 20,466,634 km (0.049 R)
• M55: 21,666,110 km (0.051 R)
• M56: 22,133,454 km (0.087 R)
• M57: 23,316,474 km (0.056 R)
• M58: 23,988,019 km (0.091 R)
• M59: 24,181,149 km (0.09 R)
• M60: 24,665,996 km (0.047 R)
• M61: 25,497,611 km (0.107 R)
• M62: 27,339,310 km (0.099 R)
• M63: 27,692,511 km (0.096 R)
• M64: 28,403,699 km (0.093 R)
• M65: 28,812,699 km (0.113 R)
• M66: 29,069,260 km (0.1 R)
• M67: 30,103,430 km (0.055 R)
• M68: 30,468,299 km (0.108 R)
• M69: 30,625,078 km (0.04 R)
• M70: 31,677,200 km (0.07 R)
• M71: 31,783,115 km (0.081 R)
• M72: 33,009,069 km (0.079 R)
• M73: 33,762,893 km (0.079 R)
• M74: 35,232,842 km (0.089 R)
• M75: 35,342,497 km (0.078 R)
• M76: 36,390,430 km (0.115 R)
• M77: 36,946,037 km (0.047 R)
• M78: 37,392,586 km (0.03 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.8

Radius: 10.6

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 10.48 AU - 11.76 AU

Year: 14044 Days

Day: 5.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 30,474,904 km

• M1: 624,721 km (0.117 R)
• M2: 742,753 km (0.063 R)
• M3: 890,706 km (0.046 R)
• M4: 1,291,778 km (0.083 R)
• M5: 1,499,270 km (0.042 R)
• M6: 1,662,182 km (0.031 R)
• M7: 2,435,005 km (0.107 R)
• M8: 3,097,125 km (0.116 R)
• M9: 3,592,742 km (0.05 R)
• M10: 3,738,900 km (0.084 R)
• M11: 3,849,901 km (0.113 R)
• M12: 4,304,978 km (0.091 R)
• M13: 4,382,470 km (0.109 R)
• M14: 4,737,166 km (0.106 R)
• M15: 4,897,685 km (0.104 R)
• M16: 5,685,317 km (0.114 R)
• M17: 5,856,308 km (0.085 R)
• M18: 6,115,711 km (0.108 R)
• M19: 6,962,435 km (0.064 R)
• M20: 7,798,238 km (0.032 R)
• M21: 9,110,959 km (0.076 R)
• M22: 9,311,121 km (0.03 R)
• M23: 10,543,209 km (0.06 R)
• M24: 11,071,738 km (0.118 R)
• M25: 11,231,958 km (0.119 R)
• M26: 11,608,795 km (0.1 R)
• M27: 11,717,253 km (0.111 R)
• M28: 11,989,821 km (0.061 R)
• M29: 12,485,737 km (0.047 R)
• M30: 13,044,785 km (0.094 R)
• M31: 14,303,052 km (0.117 R)
• M32: 16,444,546 km (0.094 R)
• M33: 16,688,540 km (0.12 R)
• M34: 17,552,318 km (0.1 R)
• M35: 18,747,755 km (0.09 R)
• M36: 19,066,697 km (0.093 R)
• M37: 19,194,753 km (0.112 R)
• M38: 19,387,435 km (0.111 R)
• M39: 19,839,370 km (0.119 R)
• M40: 20,099,372 km (0.1 R)
• M41: 20,229,671 km (0.035 R)
• M42: 20,688,189 km (0.045 R)
• M43: 22,420,981 km (0.098 R)
• M44: 22,623,985 km (0.116 R)
• M45: 22,963,572 km (0.099 R)
• M46: 24,477,652 km (0.092 R)
• M47: 25,811,168 km (0.114 R)
• M48: 26,023,896 km (0.071 R)
• M49: 26,166,014 km (0.119 R)
• M50: 26,880,643 km (0.103 R)
• M51: 28,548,360 km (0.076 R)
• M52: 28,988,926 km (0.075 R)
• M53: 29,802,439 km (0.062 R)
• M54: 30,623,432 km (0.087 R)
• M55: 30,923,974 km (0.095 R)
• M56: 31,300,811 km (0.102 R)
• M57: 31,755,140 km (0.104 R)
• M58: 31,982,978 km (0.119 R)
• M59: 33,362,270 km (0.109 R)
• M60: 35,231,196 km (0.088 R)
• M61: 36,814,390 km (0.116 R)
• M62: 37,374,036 km (0.116 R)
• M63: 38,582,787 km (0.112 R)
• M64: 38,907,265 km (0.092 R)
• M65: 39,069,728 km (0.033 R)
• M66: 40,296,281 km (0.117 R)
• M67: 41,203,891 km (0.078 R)
• M68: 42,787,235 km (0.096 R)
• M69: 42,871,010 km (0.119 R)
• M70: 44,815,483 km (0.116 R)
• M71: 45,241,986 km (0.056 R)
• M72: 46,013,014 km (0.116 R)
• M73: 48,965,178 km (0.111 R)
• M74: 49,933,226 km (0.084 R)
• M75: 50,730,134 km (0.029 R)
• M76: 51,263,600 km (0.079 R)
• M77: 52,515,884 km (0.048 R)
• M78: 52,875,367 km (0.117 R)
• M79: 53,506,670 km (0.106 R)
• M80: 53,597,177 km (0.072 R)
• M81: 57,161,795 km (0.045 R)
• M82: 57,254,247 km (0.11 R)
• M83: 57,716,953 km (0.073 R)
• M84: 58,366,956 km (0.071 R)
• M85: 59,112,701 km (0.078 R)
• M86: 59,861,738 km (0.101 R)
• M87: 60,708,013 km (0.066 R)
• M88: 60,896,656 km (0.113 R)
• M89: 61,274,540 km (0.117 R)
• M90: 61,369,086 km (0.088 R)
• M91: 63,175,181 km (0.09 R)
• M92: 63,270,774 km (0.058 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 555.8

Radius: 6.9

Gravity: 11.67 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 13.3 AU - 21.42 AU

Year: 27395 Days

Day: 22.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 30,474,904 km

• M1: 116,686 km (0.112 R)
• M2: 371,152 km (0.082 R)
• M3: 473,776 km (0.082 R)
• M4: 865,573 km (0.081 R)
• M5: 1,213,688 km (0.099 R)
• M6: 1,705,266 km (0.056 R)
• M7: 1,775,278 km (0.064 R)
• M8: 2,407,628 km (0.107 R)
• M9: 5,473,636 km (0.074 R)
• M10: 6,432,559 km (0.089 R)
• M11: 6,931,318 km (0.116 R)
• M12: 7,270,756 km (0.102 R)
• M13: 7,327,902 km (0.114 R)
• M14: 7,385,198 km (0.114 R)
• M15: 7,442,494 km (0.119 R)
• M16: 7,673,623 km (0.068 R)
• M17: 8,864,123 km (0.104 R)
• M18: 8,986,344 km (0.112 R)
• M19: 12,559,040 km (0.119 R)
• M20: 13,320,344 km (0.105 R)
• M21: 13,390,356 km (0.04 R)
• M22: 14,815,126 km (0.114 R)
• M23: 15,032,940 km (0.09 R)
• M24: 15,914,969 km (0.082 R)
• M25: 16,362,267 km (0.081 R)
• M26: 17,192,984 km (0.058 R)
• M27: 17,651,801 km (0.116 R)
• M28: 17,805,737 km (0.114 R)
• M29: 18,895,109 km (0.111 R)
• M30: 19,210,461 km (0.11 R)
• M31: 20,327,359 km (0.12 R)
• M32: 21,383,370 km (0.102 R)
• M33: 21,547,329 km (0.115 R)
• M34: 22,874,711 km (0.109 R)
• M35: 22,958,486 km (0.06 R)
• M36: 23,042,410 km (0.112 R)
• M37: 25,087,413 km (0.059 R)
• M38: 25,520,649 km (0.078 R)
• M39: 25,607,565 km (0.05 R)
• M40: 25,956,427 km (0.109 R)
• M41: 29,256,706 km (0.088 R)
• M42: 30,539,508 km (0.111 R)
• M43: 31,934,209 km (0.099 R)
• M44: 34,208,545 km (0.106 R)
• M45: 34,688,904 km (0.116 R)
• M46: 37,321,228 km (0.059 R)
• M47: 41,849,107 km (0.115 R)
• M48: 43,085,384 km (0.052 R)
• M49: 44,020,520 km (0.111 R)
• M50: 44,229,209 km (0.115 R)
• M51: 45,172,573 km (0.12 R)
• M52: 47,506,150 km (0.112 R)
• M53: 50,641,722 km (0.103 R)
• M54: 51,628,320 km (0.039 R)
• M55: 51,958,632 km (0.111 R)
• M56: 52,953,607 km (0.108 R)
• M57: 56,315,670 km (0.104 R)
• M58: 58,136,725 km (0.083 R)
• M59: 59,284,739 km (0.083 R)
• M60: 59,630,609 km (0.05 R)
• M61: 60,440,233 km (0.114 R)
• M62: 62,187,236 km (0.083 R)
• M63: 62,304,372 km (0.12 R)
• M64: 63,243,547 km (0.072 R)
• M65: 66,567,163 km (0.094 R)
• M66: 68,371,014 km (0.094 R)
• M67: 68,733,639 km (0.095 R)
• M68: 73,382,543 km (0.117 R)
• M69: 74,250,061 km (0.074 R)
• M70: 76,496,123 km (0.056 R)
• M71: 80,033,963 km (0.11 R)
• M72: 81,438,538 km (0.068 R)
• M73: 81,951,210 km (0.097 R)
• M74: 82,851,041 km (0.093 R)
• M75: 86,875,223 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 19.7

Radius: 6.6

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 18.36 AU - 18.44 AU

Year: 29893 Days

Day: 19.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 30,474,904 km

• M1: 216,917 km (0.107 R)
• M2: 756,965 km (0.1 R)
• M3: 1,175,839 km (0.099 R)
• M4: 1,457,682 km (0.109 R)
• M5: 1,725,611 km (0.059 R)
• M6: 1,847,683 km (0.086 R)
• M7: 2,345,395 km (0.113 R)
• M8: 2,820,967 km (0.117 R)
• M9: 3,154,421 km (0.116 R)
• M10: 3,588,703 km (0.118 R)
• M11: 3,972,721 km (0.105 R)
• M12: 5,378,791 km (0.088 R)
• M13: 9,564,241 km (0.052 R)
• M14: 11,086,549 km (0.073 R)
• M15: 11,942,099 km (0.025 R)
• M16: 12,075,540 km (0.106 R)
• M17: 12,344,068 km (0.081 R)
• M18: 12,614,541 km (0.101 R)
• M19: 12,886,959 km (0.119 R)
• M20: 13,195,729 km (0.097 R)
• M21: 13,541,749 km (0.098 R)
• M22: 14,490,798 km (0.066 R)
• M23: 14,811,984 km (0.027 R)
• M24: 15,716,154 km (0.111 R)
• M25: 17,275,263 km (0.088 R)
• M26: 17,426,207 km (0.118 R)
• M27: 17,882,032 km (0.095 R)
• M28: 18,805,200 km (0.106 R)
• M29: 19,077,468 km (0.059 R)
• M30: 19,311,739 km (0.1 R)
• M31: 20,338,279 km (0.115 R)
• M32: 23,773,794 km (0.066 R)
• M33: 25,043,581 km (0.049 R)
• M34: 26,989,251 km (0.1 R)
• M35: 27,958,047 km (0.086 R)
• M36: 29,387,305 km (0.102 R)
• M37: 30,065,582 km (0.109 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 217 - 10,598 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit