🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.7

Radius: 8.7

Gravity: 12.8 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.45 AU - 0.65 AU

Year: 282 Days

Day: 13.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,603,542 km

• M1: 108,159 km (0.101 R)
• M2: 456,423 km (0.106 R)
• M3: 931,995 km (0.107 R)
• M4: 1,213,837 km (0.084 R)
• M5: 1,553,723 km (0.109 R)
• M6: 1,888,673 km (0.105 R)
• M7: 2,204,624 km (0.112 R)
• M8: 2,555,730 km (0.118 R)
• M9: 2,883,349 km (0.114 R)
• M10: 3,371,487 km (0.101 R)
• M11: 3,803,227 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.4

Radius: 8.1

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.66 AU - 0.68 AU

Year: 379 Days

Day: 6.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,603,542 km

• M1: 100,679 km (0.069 R)
• M2: 366,216 km (0.042 R)
• M3: 649,704 km (0.087 R)
• M4: 1,007,691 km (0.065 R)
• M5: 1,379,442 km (0.107 R)
• M6: 1,655,151 km (0.114 R)
• M7: 2,452,208 km (0.066 R)
• M8: 2,870,484 km (0.05 R)
• M9: 3,440,901 km (0.102 R)
• M10: 3,838,532 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.8

Radius: 8.4

Gravity: 11.99 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.59 AU - 0.75 AU

Year: 379 Days

Day: 6.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,603,542 km

• M1: 104,419 km (0.051 R)
• M2: 399,875 km (0.11 R)
• M3: 753,973 km (0.057 R)
• M4: 1,015,919 km (0.06 R)
• M5: 1,428,660 km (0.08 R)
• M6: 1,786,199 km (0.091 R)
• M7: 2,057,120 km (0.062 R)
• M8: 2,468,066 km (0.049 R)
• M9: 2,890,081 km (0.101 R)
• M10: 3,750,867 km (0.109 R)
• M11: 4,310,214 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.6

Radius: 10.2

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.05 AU - 1.16 AU

Year: 796 Days

Day: 12.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,603,542 km

• M1: 126,859 km (0.098 R)
• M2: 464,950 km (0.106 R)
• M3: 826,528 km (0.027 R)
• M4: 1,224,758 km (0.118 R)
• M5: 1,945,670 km (0.115 R)
• M6: 2,576,823 km (0.055 R)
• M7: 2,903,994 km (0.106 R)
• M8: 3,272,453 km (0.105 R)
• M9: 3,817,438 km (0.036 R)
• M10: 4,471,032 km (0.031 R)
• M11: 5,017,662 km (0.104 R)
• M12: 5,646,871 km (0.052 R)
• M13: 6,862,653 km (0.058 R)
• M14: 8,521,992 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.6

Radius: 13.7

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.29 AU - 1.45 AU

Year: 1107 Days

Day: 11 Hours

Environment

Temp: -183 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,603,542 km

• M1: 170,691 km (0.084 R)
• M2: 798,853 km (0.093 R)
• M3: 1,471,445 km (0.11 R)
• M4: 2,090,181 km (0.113 R)
• M5: 2,545,857 km (0.114 R)
• M6: 3,102,809 km (0.075 R)
• M7: 3,573,145 km (0.101 R)
• M8: 4,091,502 km (0.074 R)
• M9: 4,955,579 km (0.099 R)
• M10: 5,866,331 km (0.064 R)
• M11: 6,533,687 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.6

Radius: 9.6

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.27 AU - 1.57 AU

Year: 1168 Days

Day: 8.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,603,542 km

• M1: 119,379 km (0.044 R)
• M2: 429,795 km (0.074 R)
• M3: 918,980 km (0.034 R)
• M4: 1,613,862 km (0.099 R)
• M5: 2,334,774 km (0.114 R)
• M6: 2,661,496 km (0.063 R)
• M7: 3,651,983 km (0.116 R)
• M8: 4,000,546 km (0.03 R)
• M9: 4,712,034 km (0.066 R)
• M10: 5,466,905 km (0.06 R)
• M11: 6,194,249 km (0.031 R)
• M12: 7,239,340 km (0.088 R)
• M13: 9,116,943 km (0.113 R)
• M14: 9,505,598 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.5

Radius: 12.3

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 3.19 AU - 4.37 AU

Year: 5073 Days

Day: 7.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,603,542 km

• M1: 163,062 km (0.064 R)
• M2: 1,227,301 km (0.074 R)
• M3: 3,546,367 km (0.088 R)
• M4: 6,394,561 km (0.084 R)
• M5: 7,458,800 km (0.12 R)
• M6: 7,964,441 km (0.066 R)
• M7: 11,362,706 km (0.111 R)
• M8: 13,306,880 km (0.11 R)
• M9: 18,324,094 km (0.055 R)
• M10: 20,329,902 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.5

Radius: 10.5

Gravity: 8.46 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.98 AU - 4.64 AU

Year: 5133 Days

Day: 7.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 70,603,542 km

• M1: 130,599 km (0.071 R)
• M2: 463,005 km (0.082 R)
• M3: 1,046,587 km (0.098 R)
• M4: 2,158,697 km (0.09 R)
• M5: 2,486,017 km (0.083 R)
• M6: 3,020,680 km (0.079 R)
• M7: 4,500,054 km (0.042 R)
• M8: 5,011,977 km (0.117 R)
• M9: 5,355,005 km (0.093 R)
• M10: 6,152,811 km (0.062 R)
• M11: 7,831,449 km (0.095 R)
• M12: 8,654,536 km (0.029 R)
• M13: 8,982,754 km (0.074 R)
• M14: 9,362,134 km (0.057 R)
• M15: 11,668,185 km (0.119 R)
• M16: 13,059,595 km (0.114 R)
• M17: 13,492,232 km (0.102 R)
• M18: 14,848,187 km (0.085 R)
• M19: 19,250,703 km (0.114 R)
• M20: 19,811,695 km (0.063 R)
• M21: 23,647,534 km (0.064 R)
• M22: 24,617,078 km (0.103 R)
• M23: 26,120,985 km (0.087 R)
• M24: 30,429,703 km (0.079 R)
• M25: 31,287,048 km (0.07 R)
• M26: 31,673,310 km (0.088 R)
• M27: 34,057,900 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 541

Radius: 5.9

Gravity: 15.54 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 8.3 AU - 10.64 AU

Year: 20116 Days

Day: 17.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 70,603,542 km

• M1: 73,453 km (0.108 R)
• M2: 335,997 km (0.056 R)
• M3: 977,024 km (0.041 R)
• M4: 1,242,859 km (0.067 R)
• M5: 1,588,729 km (0.093 R)
• M6: 2,539,573 km (0.065 R)
• M7: 2,796,882 km (0.047 R)
• M8: 3,882,663 km (0.05 R)
• M9: 4,321,882 km (0.101 R)
• M10: 6,288,646 km (0.078 R)
• M11: 8,070,057 km (0.03 R)
• M12: 8,320,484 km (0.112 R)
• M13: 8,627,758 km (0.095 R)
• M14: 10,163,081 km (0.1 R)
• M15: 11,490,762 km (0.112 R)
• M16: 12,794,358 km (0.081 R)
• M17: 13,342,335 km (0.065 R)
• M18: 13,622,233 km (0.047 R)
• M19: 15,614,577 km (0.118 R)
• M20: 16,964,099 km (0.093 R)
• M21: 19,442,786 km (0.067 R)
• M22: 23,142,641 km (0.053 R)
• M23: 24,161,702 km (0.081 R)
• M24: 24,577,584 km (0.09 R)
• M25: 26,950,804 km (0.092 R)
• M26: 39,533,332 km (0.048 R)
• M27: 40,547,605 km (0.054 R)
• M28: 41,876,932 km (0.092 R)
• M29: 50,468,338 km (0.084 R)
• M30: 51,318,652 km (0.073 R)
• M31: 53,047,854 km (0.092 R)
• M32: 61,311,191 km (0.068 R)
• M33: 65,848,046 km (0.108 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 242 - 18,741 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit