🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.6

Radius: 14.4

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.56 AU - 0.86 AU

Year: 421 Days

Day: 13.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 39,605,456 km

• M1: 179,517 km (0.091 R)
• M2: 1,157,588 km (0.114 R)
• M3: 1,888,524 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.4

Radius: 13.4

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.42 AU - 1.68 AU

Year: 1356 Days

Day: 11.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,605,456 km

• M1: 173,833 km (0.113 R)
• M2: 684,111 km (0.096 R)
• M3: 1,302,100 km (0.069 R)
• M4: 1,797,568 km (0.095 R)
• M5: 2,302,760 km (0.078 R)
• M6: 3,825,068 km (0.111 R)
• M7: 4,537,004 km (0.104 R)
• M8: 5,005,545 km (0.083 R)
• M9: 5,449,102 km (0.063 R)
• M10: 6,040,612 km (0.076 R)
• M11: 8,002,140 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.4

Radius: 10.3

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.85 AU - 3.69 AU

Year: 4157 Days

Day: 13.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 39,605,456 km

• M1: 129,253 km (0.119 R)
• M2: 469,588 km (0.09 R)
• M3: 824,434 km (0.062 R)
• M4: 1,189,901 km (0.097 R)
• M5: 2,176,499 km (0.062 R)
• M6: 2,541,668 km (0.066 R)
• M7: 3,242,534 km (0.094 R)
• M8: 3,638,819 km (0.081 R)
• M9: 4,202,503 km (0.099 R)
• M10: 4,798,501 km (0.043 R)
• M11: 5,341,841 km (0.113 R)
• M12: 5,726,457 km (0.111 R)
• M13: 6,278,174 km (0.063 R)
• M14: 7,254,300 km (0.119 R)
• M15: 7,796,143 km (0.055 R)
• M16: 8,622,073 km (0.106 R)
• M17: 11,051,543 km (0.114 R)
• M18: 12,710,433 km (0.116 R)
• M19: 13,751,635 km (0.065 R)
• M20: 14,162,879 km (0.111 R)
• M21: 14,688,417 km (0.113 R)
• M22: 16,515,755 km (0.035 R)
• M23: 17,275,562 km (0.116 R)
• M24: 22,829,533 km (0.07 R)
• M25: 23,772,298 km (0.066 R)
• M26: 24,892,038 km (0.107 R)
• M27: 25,503,445 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.1

Radius: 10.5

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.99 AU - 4.99 AU

Year: 5602 Days

Day: 14.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,605,456 km

• M1: 130,599 km (0.083 R)
• M2: 851,212 km (0.104 R)
• M3: 1,538,016 km (0.112 R)
• M4: 2,104,992 km (0.05 R)
• M5: 2,665,385 km (0.105 R)
• M6: 3,811,604 km (0.108 R)
• M7: 4,698,271 km (0.11 R)
• M8: 5,287,537 km (0.118 R)
• M9: 5,895,353 km (0.093 R)
• M10: 6,326,045 km (0.108 R)
• M11: 7,216,152 km (0.119 R)
• M12: 7,890,988 km (0.085 R)
• M13: 8,453,177 km (0.091 R)
• M14: 8,922,017 km (0.119 R)
• M15: 9,573,965 km (0.057 R)
• M16: 10,126,729 km (0.054 R)
• M17: 11,578,576 km (0.082 R)
• M18: 12,907,753 km (0.111 R)
• M19: 14,172,304 km (0.056 R)
• M20: 15,808,306 km (0.094 R)
• M21: 18,395,901 km (0.084 R)
• M22: 20,270,212 km (0.073 R)
• M23: 22,194,938 km (0.094 R)
• M24: 25,346,218 km (0.12 R)
• M25: 26,736,131 km (0.08 R)
• M26: 29,935,880 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 157

Radius: 7.7

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 4.99 AU - 8.13 AU

Year: 11810 Days

Day: 17.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 39,605,456 km

• M1: 102,475 km (0.118 R)
• M2: 519,853 km (0.107 R)
• M3: 775,366 km (0.069 R)
• M4: 1,357,601 km (0.065 R)
• M5: 1,646,025 km (0.12 R)
• M6: 2,049,192 km (0.115 R)
• M7: 2,397,904 km (0.109 R)
• M8: 3,093,534 km (0.058 R)
• M9: 3,598,128 km (0.095 R)
• M10: 4,405,208 km (0.104 R)
• M11: 4,824,531 km (0.11 R)
• M12: 5,184,613 km (0.074 R)
• M13: 5,834,766 km (0.088 R)
• M14: 7,549,905 km (0.06 R)
• M15: 7,884,257 km (0.098 R)
• M16: 8,987,840 km (0.088 R)
• M17: 10,371,172 km (0.062 R)
• M18: 11,891,236 km (0.119 R)
• M19: 12,344,218 km (0.104 R)
• M20: 13,772,429 km (0.111 R)
• M21: 15,484,876 km (0.118 R)
• M22: 18,048,385 km (0.097 R)
• M23: 18,646,776 km (0.091 R)
• M24: 24,078,226 km (0.061 R)
• M25: 24,722,095 km (0.097 R)
• M26: 28,202,939 km (0.093 R)
• M27: 29,008,523 km (0.113 R)
• M28: 32,579,574 km (0.028 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 639.7

Radius: 7.8

Gravity: 10.51 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 7.09 AU - 8.21 AU

Year: 14873 Days

Day: 22.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,605,456 km

• M1: 97,687 km (0.059 R)
• M2: 1,107,623 km (0.089 R)
• M3: 2,492,600 km (0.091 R)
• M4: 3,159,357 km (0.049 R)
• M5: 4,548,374 km (0.109 R)
• M6: 4,942,863 km (0.073 R)
• M7: 6,185,722 km (0.089 R)
• M8: 11,148,482 km (0.08 R)
• M9: 12,050,707 km (0.115 R)
• M10: 15,409,927 km (0.107 R)
• M11: 15,702,989 km (0.117 R)
• M12: 18,021,008 km (0.056 R)
• M13: 18,346,533 km (0.106 R)
• M14: 19,516,389 km (0.104 R)
• M15: 23,807,454 km (0.099 R)
• M16: 29,468,088 km (0.116 R)
• M17: 34,695,935 km (0.084 R)
• M18: 42,631,653 km (0.037 R)
• M19: 45,574,243 km (0.106 R)
• M20: 46,941,418 km (0.029 R)
• M21: 55,724,160 km (0.107 R)
• M22: 58,878,730 km (0.068 R)
• M23: 59,956,134 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 120

Radius: 4.4

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 6.8 AU - 10.54 AU

Year: 17945 Days

Day: 23.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 39,605,456 km

• M1: 54,753 km (0.119 R)
• M2: 259,552 km (0.094 R)
• M3: 680,072 km (0.112 R)
• M4: 904,469 km (0.082 R)
• M5: 1,165,816 km (0.117 R)
• M6: 1,692,999 km (0.106 R)
• M7: 1,930,860 km (0.092 R)
• M8: 2,800,622 km (0.12 R)
• M9: 3,310,302 km (0.11 R)
• M10: 3,780,189 km (0.112 R)
• M11: 5,209,147 km (0.098 R)
• M12: 6,386,931 km (0.078 R)
• M13: 6,563,457 km (0.091 R)
• M14: 6,926,381 km (0.102 R)
• M15: 7,112,631 km (0.07 R)
• M16: 7,972,819 km (0.105 R)
• M17: 8,726,493 km (0.096 R)
• M18: 9,850,421 km (0.081 R)
• M19: 11,738,347 km (0.112 R)
• M20: 14,694,251 km (0.084 R)
• M21: 20,380,765 km (0.085 R)
• M22: 21,782,048 km (0.102 R)
• M23: 23,080,408 km (0.067 R)
• M24: 25,919,776 km (0.098 R)
• M25: 28,314,389 km (0.069 R)
• M26: 29,176,522 km (0.107 R)
• M27: 33,326,067 km (0.057 R)
• M28: 36,712,664 km (0.06 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: 312 - 15,513 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit