🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871

Radius: 10.8

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.68 AU - 0.94 AU

Year: 471 Days

Day: 12.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,900,149 km

• M1: 137,181 km (0.109 R)
• M2: 478,713 km (0.044 R)
• M3: 939,175 km (0.057 R)
• M4: 1,389,166 km (0.03 R)
• M5: 1,777,671 km (0.091 R)
• M6: 2,166,028 km (0.078 R)
• M7: 2,694,407 km (0.11 R)
• M8: 3,081,716 km (0.098 R)
• M9: 3,468,277 km (0.112 R)
• M10: 4,067,117 km (0.053 R)
• M11: 4,579,490 km (0.107 R)
• M12: 5,184,165 km (0.057 R)
• M13: 6,115,711 km (0.108 R)
• M14: 6,475,643 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.5

Radius: 9

Gravity: 9.44 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.42 AU - 1.62 AU

Year: 1210 Days

Day: 14.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,900,149 km

• M1: 112,049 km (0.114 R)
• M2: 544,985 km (0.106 R)
• M3: 942,467 km (0.102 R)
• M4: 1,512,434 km (0.099 R)
• M5: 2,052,034 km (0.087 R)
• M6: 2,650,425 km (0.105 R)
• M7: 3,560,878 km (0.078 R)
• M8: 4,105,414 km (0.078 R)
• M9: 4,535,508 km (0.111 R)
• M10: 5,986,308 km (0.113 R)
• M11: 7,670,780 km (0.033 R)
• M12: 8,780,647 km (0.119 R)
• M13: 9,133,698 km (0.093 R)
• M14: 10,840,909 km (0.095 R)
• M15: 12,091,098 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.8

Radius: 14.8

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.16 AU - 1.9 AU

Year: 1222 Days

Day: 9.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,900,149 km

• M1: 184,005 km (0.076 R)
• M2: 699,520 km (0.112 R)
• M3: 1,159,832 km (0.038 R)
• M4: 1,919,490 km (0.112 R)
• M5: 3,470,671 km (0.107 R)
• M6: 4,400,122 km (0.114 R)
• M7: 5,033,968 km (0.082 R)
• M8: 6,305,401 km (0.073 R)
• M9: 6,774,091 km (0.105 R)
• M10: 7,920,310 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.9

Radius: 12.4

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.54 AU - 2.22 AU

Year: 1664 Days

Day: 5.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,900,149 km

• M1: 154,235 km (0.081 R)
• M2: 639,381 km (0.102 R)
• M3: 1,171,202 km (0.081 R)
• M4: 1,949,410 km (0.079 R)
• M5: 2,475,246 km (0.117 R)
• M6: 3,236,999 km (0.032 R)
• M7: 4,543,587 km (0.116 R)
• M8: 5,593,016 km (0.032 R)
• M9: 6,001,418 km (0.109 R)
• M10: 6,429,716 km (0.046 R)
• M11: 7,152,125 km (0.117 R)
• M12: 7,780,136 km (0.052 R)
• M13: 9,048,726 km (0.071 R)
• M14: 9,579,649 km (0.073 R)
• M15: 11,185,134 km (0.046 R)
• M16: 11,719,348 km (0.083 R)
• M17: 12,270,616 km (0.097 R)
• M18: 13,129,906 km (0.094 R)
• M19: 13,985,157 km (0.108 R)
• M20: 14,605,689 km (0.063 R)
• M21: 15,617,868 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.1

Radius: 14.5

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 3.8 AU - 4.86 AU

Year: 5818 Days

Day: 14.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,900,149 km

• M1: 205,099 km (0.093 R)
• M2: 676,332 km (0.116 R)
• M3: 1,233,285 km (0.067 R)
• M4: 2,010,147 km (0.101 R)
• M5: 3,596,333 km (0.118 R)
• M6: 4,734,025 km (0.084 R)
• M7: 6,530,845 km (0.111 R)
• M8: 7,358,270 km (0.089 R)
• M9: 8,604,421 km (0.116 R)
• M10: 10,506,707 km (0.048 R)
• M11: 13,048,824 km (0.063 R)
• M12: 18,592,323 km (0.085 R)
• M13: 22,214,237 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 944.7

Radius: 7.7

Gravity: 15.93 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 7.23 AU - 7.61 AU

Year: 13050 Days

Day: 21.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 36,900,149 km

• M1: 95,743 km (0.114 R)
• M2: 460,612 km (0.105 R)
• M3: 1,126,023 km (0.116 R)
• M4: 2,340,758 km (0.109 R)
• M5: 3,240,589 km (0.034 R)
• M6: 3,754,757 km (0.078 R)
• M7: 7,219,892 km (0.092 R)
• M8: 7,489,318 km (0.084 R)
• M9: 9,041,247 km (0.07 R)
• M10: 9,567,382 km (0.101 R)
• M11: 12,898,029 km (0.113 R)
• M12: 13,362,381 km (0.067 R)
• M13: 17,406,759 km (0.074 R)
• M14: 17,810,524 km (0.066 R)
• M15: 19,749,013 km (0.1 R)
• M16: 20,099,970 km (0.089 R)
• M17: 21,177,823 km (0.09 R)
• M18: 22,293,673 km (0.103 R)
• M19: 22,962,525 km (0.078 R)
• M20: 23,253,194 km (0.072 R)
• M21: 24,040,378 km (0.092 R)
• M22: 27,803,662 km (0.104 R)
• M23: 28,802,377 km (0.061 R)
• M24: 31,225,414 km (0.082 R)
• M25: 31,941,838 km (0.102 R)
• M26: 32,669,333 km (0.093 R)
• M27: 33,781,144 km (0.076 R)
• M28: 35,949,565 km (0.052 R)
• M29: 39,720,778 km (0.047 R)
• M30: 41,129,092 km (0.065 R)
• M31: 41,557,989 km (0.114 R)
• M32: 41,845,666 km (0.091 R)
• M33: 49,153,073 km (0.109 R)
• M34: 50,775,462 km (0.097 R)
• M35: 54,298,342 km (0.06 R)
• M36: 55,856,853 km (0.077 R)
• M37: 56,558,916 km (0.054 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 405.7

Radius: 3.2

Gravity: 39.62 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 8.87 AU - 13.45 AU

Year: 24072 Days

Day: 15.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 36,900,149 km

• M1: 49,367 km (0.062 R)
• M2: 155,582 km (0.108 R)
• M3: 303,684 km (0.119 R)
• M4: 433,684 km (0.045 R)
• M5: 1,510,041 km (0.093 R)
• M6: 1,990,848 km (0.09 R)
• M7: 2,110,228 km (0.119 R)
• M8: 2,684,085 km (0.113 R)
• M9: 3,300,129 km (0.119 R)
• M10: 3,524,825 km (0.055 R)
• M11: 4,293,459 km (0.053 R)
• M12: 6,982,032 km (0.111 R)
• M13: 7,735,407 km (0.114 R)
• M14: 10,436,546 km (0.08 R)
• M15: 16,930,589 km (0.055 R)
• M16: 20,532,607 km (0.083 R)
• M17: 20,909,294 km (0.1 R)
• M18: 22,362,488 km (0.025 R)
• M19: 29,203,300 km (0.119 R)
• M20: 30,892,409 km (0.057 R)
• M21: 44,731,409 km (0.075 R)
• M22: 47,624,183 km (0.12 R)
• M23: 50,639,178 km (0.092 R)
• M24: 52,193,351 km (0.081 R)
• M25: 55,396,540 km (0.115 R)
• M26: 57,046,156 km (0.054 R)
• M27: 57,603,109 km (0.072 R)
• M28: 63,573,410 km (0.08 R)
• M29: 65,583,856 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 53.5

Radius: 4.5

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 9.3 AU - 13.08 AU

Year: 24169 Days

Day: 15.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,900,149 km

• M1: 103,671 km (0.111 R)
• M2: 304,731 km (0.086 R)
• M3: 521,947 km (0.114 R)
• M4: 696,079 km (0.034 R)
• M5: 3,151,878 km (0.104 R)
• M6: 3,618,922 km (0.088 R)
• M7: 5,634,903 km (0.105 R)
• M8: 9,624,229 km (0.113 R)
• M9: 14,154,651 km (0.07 R)
• M10: 15,724,232 km (0.106 R)
• M11: 21,660,575 km (0.107 R)
• M12: 30,658,139 km (0.083 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 449 - 11,938 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit