🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.3

Radius: 8.3

Gravity: 13.26 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.51 AU - 0.63 AU

Year: 297 Days

Day: 5.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,119,749 km

• M1: 103,223 km (0.118 R)
• M2: 420,520 km (0.12 R)
• M3: 780,302 km (0.105 R)
• M4: 1,131,708 km (0.109 R)
• M5: 1,502,561 km (0.089 R)
• M6: 1,899,893 km (0.071 R)
• M7: 2,313,681 km (0.084 R)
• M8: 2,612,727 km (0.068 R)
• M9: 3,458,254 km (0.102 R)
• M10: 4,299,592 km (0.107 R)
• M11: 4,825,878 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.2

Radius: 12.3

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.99 AU - 0.99 AU

Year: 680 Days

Day: 7.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,119,749 km

• M1: 153,039 km (0.063 R)
• M2: 591,809 km (0.099 R)
• M3: 991,535 km (0.045 R)
• M4: 1,412,054 km (0.06 R)
• M5: 1,825,842 km (0.045 R)
• M6: 2,434,705 km (0.095 R)
• M7: 2,917,158 km (0.098 R)
• M8: 4,076,542 km (0.104 R)
• M9: 4,475,819 km (0.11 R)
• M10: 5,420,529 km (0.097 R)
• M11: 5,887,125 km (0.044 R)
• M12: 6,305,550 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.3

Radius: 8.5

Gravity: 12.21 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.64 AU - 2.8 AU

Year: 3096 Days

Day: 5.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 31,119,749 km

• M1: 287,378 km (0.075 R)
• M2: 1,107,174 km (0.086 R)
• M3: 2,129,974 km (0.062 R)
• M4: 3,239,542 km (0.092 R)
• M5: 4,016,553 km (0.081 R)
• M6: 4,301,537 km (0.097 R)
• M7: 5,420,529 km (0.095 R)
• M8: 6,219,232 km (0.117 R)
• M9: 6,875,967 km (0.048 R)
• M10: 7,157,510 km (0.108 R)
• M11: 7,446,832 km (0.12 R)
• M12: 10,171,458 km (0.104 R)
• M13: 11,513,651 km (0.074 R)
• M14: 14,597,162 km (0.087 R)
• M15: 15,700,596 km (0.1 R)
• M16: 16,411,036 km (0.113 R)
• M17: 17,487,692 km (0.103 R)
• M18: 21,727,744 km (0.115 R)
• M19: 23,656,659 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234

Radius: 9

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.92 AU - 5.02 AU

Year: 6523 Days

Day: 13.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,119,749 km

• M1: 112,797 km (0.109 R)
• M2: 485,445 km (0.091 R)
• M3: 845,078 km (0.082 R)
• M4: 1,292,376 km (0.096 R)
• M5: 1,803,552 km (0.07 R)
• M6: 2,308,146 km (0.052 R)
• M7: 3,045,813 km (0.053 R)
• M8: 3,997,405 km (0.108 R)
• M9: 4,982,207 km (0.094 R)
• M10: 5,751,290 km (0.056 R)
• M11: 8,390,496 km (0.09 R)
• M12: 9,399,384 km (0.109 R)
• M13: 9,953,345 km (0.101 R)
• M14: 11,170,024 km (0.087 R)
• M15: 12,719,260 km (0.089 R)
• M16: 13,845,582 km (0.06 R)
• M17: 16,634,685 km (0.075 R)
• M18: 19,144,937 km (0.119 R)
• M19: 21,085,670 km (0.062 R)
• M20: 22,103,684 km (0.09 R)
• M21: 22,800,361 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.2

Radius: 13

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 4.29 AU - 5.45 AU

Year: 7418 Days

Day: 10.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,119,749 km

• M1: 161,715 km (0.103 R)
• M2: 985,551 km (0.104 R)
• M3: 2,145,233 km (0.088 R)
• M4: 2,698,596 km (0.118 R)
• M5: 4,120,673 km (0.093 R)
• M6: 5,209,447 km (0.111 R)
• M7: 5,868,425 km (0.034 R)
• M8: 8,067,065 km (0.086 R)
• M9: 9,987,004 km (0.063 R)
• M10: 14,827,991 km (0.114 R)
• M11: 16,654,282 km (0.093 R)
• M12: 20,896,279 km (0.115 R)
• M13: 27,017,226 km (0.106 R)
• M14: 29,824,430 km (0.081 R)

Asteroid Belt

Center: 5.25 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 629.4

Radius: 6

Gravity: 17.48 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 5.11 AU - 6.15 AU

Year: 9221 Days

Day: 17.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 31,119,749 km

• M1: 78,090 km (0.111 R)
• M2: 283,638 km (0.088 R)
• M3: 518,805 km (0.066 R)
• M4: 1,438,982 km (0.072 R)
• M5: 1,731,446 km (0.11 R)
• M6: 1,980,377 km (0.114 R)
• M7: 2,550,644 km (0.116 R)
• M8: 3,270,359 km (0.103 R)
• M9: 3,505,826 km (0.105 R)
• M10: 4,392,493 km (0.08 R)
• M11: 5,452,394 km (0.12 R)
• M12: 6,094,468 km (0.114 R)
• M13: 6,307,345 km (0.095 R)
• M14: 7,248,166 km (0.076 R)
• M15: 11,519,784 km (0.098 R)
• M16: 13,448,849 km (0.084 R)
• M17: 16,592,947 km (0.114 R)
• M18: 18,891,369 km (0.071 R)
• M19: 21,803,740 km (0.08 R)
• M20: 22,470,498 km (0.099 R)
• M21: 25,917,233 km (0.028 R)
• M22: 27,140,195 km (0.073 R)
• M23: 28,009,060 km (0.116 R)
• M24: 31,670,468 km (0.07 R)
• M25: 32,095,924 km (0.084 R)
• M26: 33,176,469 km (0.095 R)
• M27: 38,219,713 km (0.057 R)
• M28: 38,460,416 km (0.083 R)
• M29: 41,809,015 km (0.095 R)
• M30: 43,619,598 km (0.073 R)
• M31: 43,882,441 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 39.7

Radius: 5.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 8.31 AU - 11.63 AU

Year: 21730 Days

Day: 18.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,119,749 km

• M1: 341,083 km (0.059 R)
• M2: 543,190 km (0.054 R)
• M3: 1,077,553 km (0.12 R)
• M4: 1,378,245 km (0.059 R)
• M5: 1,841,550 km (0.1 R)
• M6: 2,805,858 km (0.059 R)
• M7: 3,131,532 km (0.093 R)
• M8: 4,435,577 km (0.077 R)
• M9: 4,692,287 km (0.112 R)
• M10: 7,048,304 km (0.081 R)
• M11: 9,037,058 km (0.038 R)
• M12: 11,135,916 km (0.073 R)
• M13: 30,933,848 km (0.079 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: 227 - 18,744 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit