🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.4

Radius: 13.9

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.65 AU - 0.65 AU

Year: 349 Days

Day: 6.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 42,469,236 km

• M1: 188,045 km (0.11 R)
• M2: 1,233,285 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.8

Radius: 8.6

Gravity: 11.29 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.79 AU - 0.83 AU

Year: 486 Days

Day: 9.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,469,236 km

• M1: 106,962 km (0.029 R)
• M2: 499,058 km (0.106 R)
• M3: 812,765 km (0.115 R)
• M4: 1,403,228 km (0.101 R)
• M5: 2,370,229 km (0.072 R)
• M6: 3,183,592 km (0.078 R)
• M7: 3,754,308 km (0.103 R)
• M8: 4,099,879 km (0.107 R)
• M9: 4,421,515 km (0.11 R)
• M10: 5,016,914 km (0.106 R)
• M11: 5,402,578 km (0.112 R)
• M12: 5,736,031 km (0.081 R)
• M13: 6,139,347 km (0.088 R)
• M14: 6,679,844 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.9

Radius: 11.7

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.94 AU - 1.06 AU

Year: 667 Days

Day: 13 Hours

Environment

Temp: -169 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 42,469,236 km

• M1: 146,905 km (0.051 R)
• M2: 558,150 km (0.081 R)
• M3: 947,852 km (0.073 R)
• M4: 1,355,058 km (0.094 R)
• M5: 2,099,457 km (0.063 R)
• M6: 2,631,576 km (0.091 R)
• M7: 5,715,686 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.5

Radius: 13.4

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.75 AU - 3.51 AU

Year: 3693 Days

Day: 13.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,469,236 km

• M1: 166,652 km (0.092 R)
• M2: 815,608 km (0.096 R)
• M3: 1,508,545 km (0.086 R)
• M4: 2,056,821 km (0.103 R)
• M5: 2,541,967 km (0.106 R)
• M6: 2,977,895 km (0.103 R)
• M7: 4,069,361 km (0.099 R)
• M8: 4,719,962 km (0.072 R)
• M9: 6,500,177 km (0.084 R)
• M10: 11,296,135 km (0.115 R)
• M11: 11,745,378 km (0.108 R)
• M12: 12,489,178 km (0.075 R)
• M13: 16,631,244 km (0.102 R)
• M14: 17,809,627 km (0.063 R)
• M15: 20,464,540 km (0.034 R)
• M16: 23,373,321 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.1

Radius: 13.7

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.91 AU - 4.43 AU

Year: 4688 Days

Day: 9.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,469,236 km

• M1: 170,542 km (0.085 R)
• M2: 741,257 km (0.034 R)
• M3: 1,305,690 km (0.106 R)
• M4: 2,179,940 km (0.031 R)
• M5: 2,713,556 km (0.073 R)
• M6: 3,206,032 km (0.084 R)
• M7: 3,937,865 km (0.09 R)
• M8: 5,099,193 km (0.086 R)
• M9: 5,712,694 km (0.099 R)
• M10: 6,375,113 km (0.116 R)
• M11: 7,254,001 km (0.081 R)
• M12: 8,832,857 km (0.045 R)
• M13: 10,884,891 km (0.059 R)
• M14: 12,782,988 km (0.11 R)
• M15: 13,490,586 km (0.106 R)
• M16: 14,005,502 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 56.9

Radius: 5.2

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 5.29 AU - 6.25 AU

Year: 9243 Days

Day: 16.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,469,236 km

• M1: 68,965 km (0.046 R)
• M2: 428,598 km (0.111 R)
• M3: 636,988 km (0.07 R)
• M4: 869,912 km (0.087 R)
• M5: 1,132,905 km (0.08 R)
• M6: 1,359,246 km (0.095 R)
• M7: 3,284,272 km (0.063 R)
• M8: 4,755,866 km (0.05 R)
• M9: 5,129,262 km (0.063 R)
• M10: 5,829,081 km (0.079 R)
• M11: 6,619,107 km (0.072 R)
• M12: 7,025,116 km (0.04 R)
• M13: 7,982,842 km (0.076 R)
• M14: 8,850,659 km (0.03 R)
• M15: 11,497,494 km (0.097 R)
• M16: 12,340,927 km (0.093 R)
• M17: 19,140,748 km (0.119 R)
• M18: 19,607,943 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 235.6

Radius: 5.8

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 5.81 AU - 9.57 AU

Year: 14221 Days

Day: 22 Hours

Environment

Temp: -240 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,469,236 km

• M1: 72,256 km (0.079 R)
• M2: 259,104 km (0.087 R)
• M3: 944,262 km (0.104 R)
• M4: 2,685,132 km (0.08 R)
• M5: 4,999,262 km (0.094 R)
• M6: 5,762,510 km (0.089 R)
• M7: 7,678,410 km (0.097 R)
• M8: 12,261,191 km (0.108 R)
• M9: 15,375,071 km (0.102 R)
• M10: 20,502,837 km (0.097 R)
• M11: 28,474,908 km (0.079 R)
• M12: 31,497,682 km (0.114 R)
• M13: 35,174,199 km (0.06 R)
• M14: 36,537,186 km (0.113 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 545 - 15,372 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit