🌌 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: 495

Radius: 14.4

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.65 AU - 0.97 AU

Year: 494 Days

Day: 10 Hours

Environment

Temp: -175 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,146,348 km

• M1: 179,069 km (0.092 R)
• M2: 680,670 km (0.106 R)
• M3: 1,665,024 km (0.071 R)
• M4: 2,197,443 km (0.106 R)
• M5: 2,854,178 km (0.096 R)
• M6: 3,567,161 km (0.062 R)
• M7: 4,609,110 km (0.078 R)
• M8: 5,529,287 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.6

Radius: 10.1

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.65 AU - 0.97 AU

Year: 494 Days

Day: 7.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,146,348 km

• M1: 125,662 km (0.099 R)
• M2: 492,476 km (0.11 R)
• M3: 835,953 km (0.084 R)
• M4: 1,587,533 km (0.082 R)
• M5: 2,079,560 km (0.068 R)
• M6: 2,546,455 km (0.061 R)
• M7: 2,944,086 km (0.066 R)
• M8: 3,535,147 km (0.118 R)
• M9: 3,967,635 km (0.115 R)
• M10: 4,504,841 km (0.094 R)
• M11: 4,835,302 km (0.084 R)
• M12: 5,228,446 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80

Radius: 14

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.07 AU - 1.73 AU

Year: 1124 Days

Day: 10.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,146,348 km

• M1: 174,132 km (0.108 R)
• M2: 678,127 km (0.066 R)
• M3: 1,320,500 km (0.118 R)
• M4: 1,776,774 km (0.1 R)
• M5: 2,288,249 km (0.113 R)
• M6: 2,847,745 km (0.09 R)
• M7: 3,922,307 km (0.061 R)
• M8: 4,730,733 km (0.117 R)
• M9: 5,175,189 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.9

Radius: 11

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.8 AU - 2.86 AU

Year: 3229 Days

Day: 14 Hours

Environment

Temp: -206 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,146,348 km

• M1: 137,630 km (0.11 R)
• M2: 582,385 km (0.081 R)
• M3: 1,349,971 km (0.113 R)
• M4: 1,956,740 km (0.064 R)
• M5: 2,365,591 km (0.106 R)
• M6: 2,761,277 km (0.118 R)
• M7: 4,913,093 km (0.079 R)
• M8: 5,543,947 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.2

Radius: 10.5

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.93 AU - 3.21 AU

Year: 3648 Days

Day: 9.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,146,348 km

• M1: 130,749 km (0.106 R)
• M2: 481,107 km (0.075 R)
• M3: 849,866 km (0.093 R)
• M4: 1,333,216 km (0.09 R)
• M5: 1,890,618 km (0.061 R)
• M6: 2,796,433 km (0.07 R)
• M7: 5,363,682 km (0.12 R)
• M8: 5,913,155 km (0.087 R)
• M9: 6,290,291 km (0.067 R)
• M10: 7,028,706 km (0.053 R)
• M11: 7,385,946 km (0.106 R)
• M12: 7,962,047 km (0.094 R)
• M13: 9,711,744 km (0.114 R)
• M14: 10,362,046 km (0.104 R)
• M15: 10,697,893 km (0.096 R)
• M16: 11,480,290 km (0.109 R)
• M17: 12,253,861 km (0.118 R)
• M18: 13,159,227 km (0.117 R)
• M19: 15,426,383 km (0.101 R)
• M20: 20,390,938 km (0.107 R)
• M21: 21,321,736 km (0.103 R)
• M22: 22,141,981 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 341.8

Radius: 4.1

Gravity: 20.33 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 7.81 AU - 8.53 AU

Year: 15839 Days

Day: 20.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,146,348 km

• M1: 52,509 km (0.101 R)
• M2: 198,816 km (0.063 R)
• M3: 404,961 km (0.109 R)
• M4: 867,069 km (0.117 R)
• M5: 1,335,909 km (0.054 R)
• M6: 1,790,088 km (0.098 R)
• M7: 6,618,808 km (0.1 R)
• M8: 6,776,634 km (0.045 R)
• M9: 7,433,817 km (0.096 R)
• M10: 9,709,351 km (0.064 R)
• M11: 10,068,236 km (0.054 R)
• M12: 11,592,937 km (0.081 R)
• M13: 12,350,501 km (0.086 R)
• M14: 12,590,157 km (0.109 R)
• M15: 19,555,284 km (0.047 R)
• M16: 20,044,918 km (0.106 R)
• M17: 22,173,247 km (0.098 R)
• M18: 26,972,646 km (0.111 R)
• M19: 28,819,282 km (0.085 R)
• M20: 32,534,096 km (0.056 R)
• M21: 32,876,376 km (0.091 R)
• M22: 40,763,774 km (0.11 R)
• M23: 44,298,173 km (0.071 R)
• M24: 47,006,493 km (0.112 R)
• M25: 47,590,374 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 790.2

Radius: 6.1

Gravity: 21.24 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 7.89 AU - 8.89 AU

Year: 16483 Days

Day: 18.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 70,146,348 km

• M1: 78,688 km (0.025 R)
• M2: 280,795 km (0.062 R)
• M3: 595,400 km (0.106 R)
• M4: 884,722 km (0.115 R)
• M5: 1,197,232 km (0.073 R)
• M6: 1,454,989 km (0.084 R)
• M7: 1,838,408 km (0.112 R)
• M8: 2,663,291 km (0.065 R)
• M9: 3,770,914 km (0.11 R)
• M10: 6,503,767 km (0.08 R)
• M11: 7,680,654 km (0.061 R)
• M12: 7,873,635 km (0.088 R)
• M13: 8,471,877 km (0.101 R)
• M14: 8,729,933 km (0.09 R)
• M15: 10,215,291 km (0.067 R)
• M16: 11,481,337 km (0.111 R)
• M17: 12,381,318 km (0.092 R)
• M18: 12,781,193 km (0.063 R)
• M19: 13,466,501 km (0.096 R)
• M20: 15,746,971 km (0.053 R)
• M21: 16,058,883 km (0.114 R)
• M22: 20,220,845 km (0.07 R)
• M23: 21,817,952 km (0.116 R)
• M24: 24,316,685 km (0.081 R)
• M25: 25,367,461 km (0.057 R)
• M26: 27,559,069 km (0.08 R)
• M27: 29,518,801 km (0.111 R)
• M28: 38,428,551 km (0.069 R)
• M29: 41,606,908 km (0.101 R)
• M30: 45,112,734 km (0.072 R)
• M31: 46,058,492 km (0.06 R)
• M32: 47,340,246 km (0.063 R)
• M33: 49,473,362 km (0.073 R)
• M34: 52,185,721 km (0.073 R)
• M35: 52,878,958 km (0.109 R)
• M36: 56,255,980 km (0.107 R)
• M37: 65,622,752 km (0.064 R)
• M38: 69,936,406 km (0.119 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 272 - 14,291 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit