🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.8

Radius: 10

Gravity: 9.13 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.45 AU - 0.57 AU

Year: 243 Days

Day: 10.3 Hours

Environment

Temp: -132 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,788,266 km

• M1: 124,316 km (0.086 R)
• M2: 466,147 km (0.1 R)
• M3: 855,401 km (0.1 R)
• M4: 1,305,092 km (0.106 R)
• M5: 1,789,939 km (0.047 R)
• M6: 2,276,431 km (0.094 R)
• M7: 3,364,157 km (0.028 R)
• M8: 3,764,182 km (0.117 R)
• M9: 4,133,838 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.7

Radius: 14.3

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.54 AU - 0.62 AU

Year: 295 Days

Day: 9.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,788,266 km

• M1: 177,872 km (0.069 R)
• M2: 755,170 km (0.096 R)
• M3: 1,290,431 km (0.077 R)
• M4: 1,785,151 km (0.105 R)
• M5: 2,298,870 km (0.103 R)
• M6: 3,365,653 km (0.114 R)
• M7: 4,061,433 km (0.102 R)
• M8: 4,658,627 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.6

Radius: 8

Gravity: 14.34 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.84 AU - 0.98 AU

Year: 579 Days

Day: 11.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,788,266 km

• M1: 101,128 km (0.066 R)
• M2: 380,128 km (0.095 R)
• M3: 677,978 km (0.111 R)
• M4: 1,478,027 km (0.095 R)
• M5: 2,184,877 km (0.083 R)
• M6: 2,554,384 km (0.111 R)
• M7: 2,893,971 km (0.109 R)
• M8: 3,366,999 km (0.054 R)
• M9: 3,905,252 km (0.117 R)
• M10: 4,962,311 km (0.12 R)
• M11: 5,753,385 km (0.097 R)
• M12: 6,218,933 km (0.07 R)
• M13: 6,899,753 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.3

Radius: 11.7

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.35 AU - 2.03 AU

Year: 1465 Days

Day: 9.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,788,266 km

• M1: 145,559 km (0.039 R)
• M2: 883,076 km (0.079 R)
• M3: 1,770,640 km (0.032 R)
• M4: 2,645,040 km (0.045 R)
• M5: 3,157,413 km (0.094 R)
• M6: 4,154,333 km (0.052 R)
• M7: 4,544,783 km (0.116 R)
• M8: 5,087,674 km (0.075 R)
• M9: 6,064,398 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.3

Radius: 13.8

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.19 AU - 2.47 AU

Year: 2372 Days

Day: 11.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,788,266 km

• M1: 192,832 km (0.047 R)
• M2: 631,901 km (0.115 R)
• M3: 1,137,243 km (0.096 R)
• M4: 1,780,813 km (0.049 R)
• M5: 2,288,997 km (0.106 R)
• M6: 3,175,664 km (0.058 R)
• M7: 3,680,407 km (0.079 R)
• M8: 4,784,738 km (0.095 R)
• M9: 5,577,308 km (0.034 R)
• M10: 6,512,145 km (0.097 R)
• M11: 6,943,585 km (0.11 R)
• M12: 9,252,927 km (0.112 R)
• M13: 9,874,357 km (0.095 R)
• M14: 10,484,567 km (0.078 R)
• M15: 11,865,206 km (0.056 R)
• M16: 12,336,888 km (0.086 R)
• M17: 14,350,475 km (0.114 R)
• M18: 15,638,662 km (0.117 R)
• M19: 16,468,930 km (0.107 R)
• M20: 17,492,778 km (0.099 R)
• M21: 19,020,322 km (0.072 R)
• M22: 19,906,540 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 669.8

Radius: 7.3

Gravity: 12.57 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 6.4 AU - 6.4 AU

Year: 10797 Days

Day: 16.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 54,788,266 km

• M1: 91,554 km (0.099 R)
• M2: 358,586 km (0.041 R)
• M3: 799,152 km (0.041 R)
• M4: 1,042,099 km (0.03 R)
• M5: 1,348,026 km (0.115 R)
• M6: 2,270,596 km (0.097 R)
• M7: 2,811,692 km (0.077 R)
• M8: 3,954,620 km (0.119 R)
• M9: 5,279,907 km (0.103 R)
• M10: 6,116,010 km (0.078 R)
• M11: 8,092,796 km (0.085 R)
• M12: 8,451,681 km (0.102 R)
• M13: 9,642,181 km (0.1 R)
• M14: 10,565,798 km (0.114 R)
• M15: 11,324,110 km (0.094 R)
• M16: 12,292,906 km (0.095 R)
• M17: 13,627,319 km (0.09 R)
• M18: 14,656,702 km (0.089 R)
• M19: 16,796,849 km (0.09 R)
• M20: 17,678,579 km (0.086 R)
• M21: 18,206,958 km (0.115 R)
• M22: 18,590,677 km (0.067 R)
• M23: 20,674,127 km (0.094 R)
• M24: 22,291,728 km (0.094 R)
• M25: 23,355,668 km (0.093 R)
• M26: 24,267,916 km (0.098 R)
• M27: 26,066,382 km (0.087 R)
• M28: 26,652,207 km (0.108 R)
• M29: 27,850,336 km (0.116 R)
• M30: 29,714,176 km (0.092 R)
• M31: 30,139,333 km (0.117 R)
• M32: 38,003,095 km (0.106 R)
• M33: 42,269,327 km (0.042 R)
• M34: 43,349,723 km (0.101 R)
• M35: 44,171,913 km (0.105 R)
• M36: 46,272,865 km (0.093 R)
• M37: 47,420,131 km (0.054 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 526.1

Radius: 5.2

Gravity: 19.46 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 6.36 AU - 8.82 AU

Year: 13944 Days

Day: 23 Hours

Environment

Temp: -239 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 54,788,266 km

• M1: 64,626 km (0.049 R)
• M2: 231,428 km (0.056 R)
• M3: 405,560 km (0.093 R)
• M4: 600,935 km (0.1 R)
• M5: 830,717 km (0.117 R)
• M6: 1,791,435 km (0.109 R)
• M7: 2,031,240 km (0.118 R)
• M8: 2,533,739 km (0.053 R)
• M9: 3,067,504 km (0.054 R)
• M10: 3,285,917 km (0.091 R)
• M11: 4,952,288 km (0.085 R)
• M12: 5,602,440 km (0.059 R)
• M13: 6,905,139 km (0.055 R)
• M14: 7,281,228 km (0.09 R)
• M15: 10,413,957 km (0.098 R)
• M16: 10,964,327 km (0.112 R)
• M17: 12,122,963 km (0.12 R)
• M18: 12,855,992 km (0.098 R)
• M19: 15,583,909 km (0.051 R)
• M20: 16,820,037 km (0.104 R)
• M21: 17,653,895 km (0.062 R)
• M22: 17,963,862 km (0.089 R)
• M23: 18,514,980 km (0.067 R)
• M24: 19,403,592 km (0.076 R)
• M25: 21,882,279 km (0.111 R)
• M26: 26,033,919 km (0.113 R)
• M27: 27,978,243 km (0.097 R)
• M28: 34,750,688 km (0.042 R)
• M29: 39,428,613 km (0.115 R)
• M30: 40,761,381 km (0.026 R)
• M31: 48,178,593 km (0.12 R)
• M32: 48,783,866 km (0.118 R)
• M33: 50,474,322 km (0.083 R)
• M34: 51,570,126 km (0.12 R)
• M35: 52,203,374 km (0.026 R)
• M36: 54,624,316 km (0.083 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 376 - 12,831 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit