🌌 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: 751.3

Radius: 12.2

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.55 AU - 0.59 AU

Year: 287 Days

Day: 7 Hours

Environment

Temp: -143 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,958,445 km

• M1: 151,692 km (0.094 R)
• M2: 739,313 km (0.093 R)
• M3: 1,153,998 km (0.066 R)
• M4: 1,803,702 km (0.08 R)
• M5: 2,472,254 km (0.032 R)
• M6: 2,874,972 km (0.101 R)
• M7: 3,279,335 km (0.107 R)
• M8: 3,721,845 km (0.049 R)
• M9: 4,116,784 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.4

Radius: 13.3

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.66 AU - 1.06 AU

Year: 532 Days

Day: 8.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,958,445 km

• M1: 165,455 km (0.055 R)
• M2: 590,612 km (0.087 R)
• M3: 1,016,966 km (0.11 R)
• M4: 1,498,522 km (0.073 R)
• M5: 1,955,244 km (0.091 R)
• M6: 2,537,329 km (0.095 R)
• M7: 3,233,408 km (0.099 R)
• M8: 4,156,577 km (0.074 R)
• M9: 4,585,025 km (0.089 R)
• M10: 5,918,690 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804

Radius: 14.5

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.97 AU - 3.65 AU

Year: 4016 Days

Day: 14 Hours

Environment

Temp: -205 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 27,958,445 km

• M1: 181,313 km (0.106 R)
• M2: 689,197 km (0.097 R)
• M3: 2,120,400 km (0.118 R)
• M4: 2,772,797 km (0.101 R)
• M5: 3,261,084 km (0.116 R)
• M6: 4,227,785 km (0.118 R)
• M7: 5,881,739 km (0.061 R)
• M8: 6,696,449 km (0.101 R)
• M9: 7,758,445 km (0.09 R)
• M10: 8,739,358 km (0.029 R)
• M11: 10,132,264 km (0.117 R)
• M12: 10,772,842 km (0.096 R)
• M13: 15,983,635 km (0.114 R)
• M14: 20,783,782 km (0.076 R)
• M15: 22,172,200 km (0.082 R)
• M16: 22,961,927 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.3

Radius: 9.4

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.89 AU - 4.21 AU

Year: 4460 Days

Day: 10.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,958,445 km

• M1: 134,638 km (0.113 R)
• M2: 515,813 km (0.105 R)
• M3: 881,431 km (0.061 R)
• M4: 1,506,301 km (0.09 R)
• M5: 1,805,347 km (0.118 R)
• M6: 2,219,883 km (0.093 R)
• M7: 2,610,632 km (0.087 R)
• M8: 3,047,159 km (0.073 R)
• M9: 3,376,125 km (0.11 R)
• M10: 5,852,418 km (0.06 R)
• M11: 7,043,965 km (0.092 R)
• M12: 7,445,636 km (0.052 R)
• M13: 13,405,764 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637

Radius: 8.6

Gravity: 8.61 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.4 AU - 4.46 AU

Year: 5195 Days

Day: 13 Hours

Environment

Temp: -212 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 27,958,445 km

• M1: 106,962 km (0.114 R)
• M2: 378,034 km (0.119 R)
• M3: 740,360 km (0.064 R)
• M4: 1,229,545 km (0.097 R)
• M5: 1,760,169 km (0.091 R)
• M6: 2,093,622 km (0.115 R)
• M7: 2,371,276 km (0.118 R)
• M8: 3,941,306 km (0.084 R)
• M9: 4,567,223 km (0.083 R)
• M10: 4,877,639 km (0.116 R)
• M11: 5,894,754 km (0.118 R)
• M12: 6,169,865 km (0.079 R)
• M13: 6,845,299 km (0.074 R)
• M14: 7,115,324 km (0.119 R)
• M15: 8,305,075 km (0.095 R)
• M16: 9,209,395 km (0.113 R)
• M17: 9,748,695 km (0.045 R)
• M18: 12,868,708 km (0.088 R)
• M19: 13,437,778 km (0.042 R)
• M20: 16,000,539 km (0.035 R)
• M21: 18,221,021 km (0.109 R)
• M22: 18,675,499 km (0.1 R)
• M23: 21,133,093 km (0.102 R)
• M24: 21,634,844 km (0.115 R)
• M25: 21,925,214 km (0.064 R)
• M26: 22,217,977 km (0.115 R)
• M27: 24,419,908 km (0.045 R)
• M28: 25,857,543 km (0.107 R)
• M29: 27,182,083 km (0.073 R)
• M30: 27,690,267 km (0.077 R)
• M31: 29,076,441 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.4

Radius: 9.1

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 3.24 AU - 5.1 AU

Year: 5679 Days

Day: 9.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,958,445 km

• M1: 113,246 km (0.034 R)
• M2: 420,819 km (0.037 R)
• M3: 706,700 km (0.089 R)
• M4: 1,072,916 km (0.101 R)
• M5: 1,730,249 km (0.11 R)
• M6: 2,270,896 km (0.102 R)
• M7: 2,823,061 km (0.07 R)
• M8: 3,157,113 km (0.025 R)
• M9: 3,669,636 km (0.118 R)
• M10: 4,745,095 km (0.068 R)
• M11: 6,574,677 km (0.074 R)
• M12: 7,599,422 km (0.11 R)
• M13: 8,317,193 km (0.096 R)
• M14: 9,008,185 km (0.103 R)
• M15: 9,477,474 km (0.11 R)
• M16: 9,963,069 km (0.084 R)
• M17: 12,733,172 km (0.084 R)
• M18: 14,415,849 km (0.069 R)
• M19: 19,026,605 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.4

Radius: 13.9

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.28 AU - 6.46 AU

Year: 8298 Days

Day: 6.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 27,958,445 km

• M1: 172,935 km (0.107 R)
• M2: 633,547 km (0.105 R)
• M3: 1,066,334 km (0.083 R)
• M4: 1,580,352 km (0.114 R)
• M5: 2,032,437 km (0.098 R)
• M6: 2,621,403 km (0.08 R)
• M7: 3,057,631 km (0.093 R)
• M8: 3,687,887 km (0.054 R)
• M9: 4,262,791 km (0.104 R)
• M10: 5,345,730 km (0.073 R)
• M11: 7,321,021 km (0.117 R)
• M12: 8,756,263 km (0.108 R)
• M13: 9,340,442 km (0.104 R)
• M14: 9,785,197 km (0.1 R)
• M15: 10,286,649 km (0.113 R)
• M16: 12,130,891 km (0.053 R)
• M17: 13,976,480 km (0.064 R)
• M18: 14,613,618 km (0.059 R)
• M19: 17,723,009 km (0.093 R)
• M20: 18,218,477 km (0.099 R)
• M21: 27,709,116 km (0.075 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: 460 - 16,015 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit