🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.7

Radius: 8.1

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.85 AU - 0.95 AU

Year: 579 Days

Day: 8.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,549,650 km

• M1: 100,829 km (0.093 R)
• M2: 431,889 km (0.053 R)
• M3: 957,127 km (0.091 R)
• M4: 1,323,792 km (0.09 R)
• M5: 1,882,988 km (0.078 R)
• M6: 2,420,942 km (0.11 R)
• M7: 2,966,077 km (0.111 R)
• M8: 4,591,607 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.3

Radius: 14.2

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.96 AU - 1 AU

Year: 658 Days

Day: 14.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,549,650 km

• M1: 176,525 km (0.119 R)
• M2: 671,096 km (0.119 R)
• M3: 1,137,841 km (0.029 R)
• M4: 1,666,670 km (0.112 R)
• M5: 2,239,331 km (0.077 R)
• M6: 3,065,111 km (0.092 R)
• M7: 4,303,033 km (0.089 R)
• M8: 5,378,492 km (0.103 R)
• M9: 5,852,269 km (0.073 R)
• M10: 6,436,897 km (0.063 R)
• M11: 6,950,018 km (0.065 R)
• M12: 8,034,602 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.2

Radius: 8

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.42 AU - 1.64 AU

Year: 1284 Days

Day: 13.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,549,650 km

• M1: 103,372 km (0.077 R)
• M2: 546,032 km (0.103 R)
• M3: 880,383 km (0.112 R)
• M4: 1,349,971 km (0.099 R)
• M5: 1,986,959 km (0.118 R)
• M6: 2,672,267 km (0.052 R)
• M7: 3,398,265 km (0.077 R)
• M8: 3,700,453 km (0.07 R)
• M9: 4,374,840 km (0.093 R)
• M10: 5,271,380 km (0.088 R)
• M11: 7,243,529 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.4

Radius: 9.4

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.64 AU - 2.1 AU

Year: 1734 Days

Day: 7.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,549,650 km

• M1: 117,734 km (0.107 R)
• M2: 435,031 km (0.116 R)
• M3: 997,070 km (0.09 R)
• M4: 1,672,355 km (0.118 R)
• M5: 2,872,728 km (0.113 R)
• M6: 3,398,415 km (0.088 R)
• M7: 4,230,628 km (0.084 R)
• M8: 4,606,418 km (0.109 R)
• M9: 5,366,674 km (0.109 R)
• M10: 6,122,293 km (0.073 R)
• M11: 6,426,126 km (0.052 R)
• M12: 7,447,431 km (0.099 R)
• M13: 9,037,507 km (0.108 R)
• M14: 9,750,490 km (0.082 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 643.2

Radius: 6.5

Gravity: 15.22 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 5.71 AU - 7.47 AU

Year: 11474 Days

Day: 17.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 61,549,650 km

• M1: 80,783 km (0.064 R)
• M2: 380,427 km (0.051 R)
• M3: 1,596,209 km (0.072 R)
• M4: 2,189,963 km (0.11 R)
• M5: 2,457,295 km (0.025 R)
• M6: 4,279,546 km (0.048 R)
• M7: 6,235,239 km (0.103 R)
• M8: 6,814,333 km (0.113 R)
• M9: 9,493,032 km (0.106 R)
• M10: 12,145,253 km (0.074 R)
• M11: 12,680,813 km (0.048 R)
• M12: 14,382,489 km (0.091 R)
• M13: 16,159,861 km (0.108 R)
• M14: 21,923,269 km (0.061 R)
• M15: 25,022,039 km (0.117 R)
• M16: 25,694,332 km (0.114 R)
• M17: 30,632,558 km (0.072 R)
• M18: 34,372,056 km (0.034 R)
• M19: 35,202,623 km (0.025 R)
• M20: 44,118,058 km (0.087 R)
• M21: 45,098,672 km (0.098 R)
• M22: 47,248,842 km (0.116 R)
• M23: 48,868,388 km (0.104 R)
• M24: 50,829,766 km (0.075 R)
• M25: 51,289,630 km (0.036 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 323.7

Radius: 7.5

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 8.17 AU - 9.51 AU

Year: 17827 Days

Day: 17.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 172.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,549,650 km

• M1: 141,819 km (0.084 R)
• M2: 475,123 km (0.108 R)
• M3: 832,063 km (0.088 R)
• M4: 1,257,968 km (0.115 R)
• M5: 1,922,781 km (0.047 R)
• M6: 2,544,809 km (0.11 R)
• M7: 3,196,009 km (0.078 R)
• M8: 3,600,222 km (0.084 R)
• M9: 4,419,719 km (0.071 R)
• M10: 4,761,102 km (0.065 R)
• M11: 11,347,447 km (0.101 R)
• M12: 14,057,862 km (0.069 R)
• M13: 15,775,694 km (0.095 R)
• M14: 29,322,828 km (0.04 R)
• M15: 29,976,272 km (0.086 R)
• M16: 33,390,544 km (0.095 R)
• M17: 34,222,906 km (0.086 R)
• M18: 37,436,119 km (0.098 R)
• M19: 42,624,173 km (0.069 R)
• M20: 45,607,005 km (0.06 R)
• M21: 46,337,192 km (0.08 R)
• M22: 54,890,451 km (0.065 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 385.7

Radius: 3.2

Gravity: 37.67 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 7.83 AU - 10.87 AU

Year: 19391 Days

Day: 23.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 61,549,650 km

• M1: 40,092 km (0.117 R)
• M2: 184,454 km (0.044 R)
• M3: 291,716 km (0.103 R)
• M4: 435,629 km (0.085 R)
• M5: 593,305 km (0.082 R)
• M6: 694,733 km (0.045 R)
• M7: 1,000,959 km (0.081 R)
• M8: 1,210,546 km (0.095 R)
• M9: 1,361,341 km (0.108 R)
• M10: 1,700,629 km (0.104 R)
• M11: 1,925,923 km (0.1 R)
• M12: 2,885,743 km (0.044 R)
• M13: 3,006,319 km (0.117 R)
• M14: 4,248,131 km (0.033 R)
• M15: 5,644,926 km (0.065 R)
• M16: 6,026,849 km (0.11 R)
• M17: 6,507,807 km (0.1 R)
• M18: 6,631,973 km (0.101 R)
• M19: 7,365,302 km (0.1 R)
• M20: 8,055,995 km (0.083 R)
• M21: 10,329,434 km (0.113 R)
• M22: 10,784,211 km (0.091 R)
• M23: 12,417,371 km (0.114 R)
• M24: 14,347,483 km (0.026 R)
• M25: 16,239,896 km (0.067 R)
• M26: 16,621,969 km (0.089 R)
• M27: 17,483,653 km (0.112 R)
• M28: 17,723,608 km (0.074 R)
• M29: 19,896,966 km (0.078 R)
• M30: 22,054,915 km (0.039 R)
• M31: 22,617,702 km (0.114 R)
• M32: 31,179,936 km (0.088 R)
• M33: 33,706,794 km (0.103 R)
• M34: 36,366,943 km (0.086 R)
• M35: 41,246,527 km (0.068 R)
• M36: 48,093,172 km (0.108 R)
• M37: 48,406,879 km (0.072 R)
• M38: 48,564,256 km (0.067 R)
• M39: 49,996,057 km (0.083 R)
• M40: 50,803,437 km (0.116 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 410 - 19,884 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit