🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.95 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.4

Radius: 10.9

Gravity: 8.18 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.88 AU - 1.9 AU

Year: 1794 Days

Day: 11.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,893,331 km

• M1: 135,536 km (0.087 R)
• M2: 671,694 km (0.116 R)
• M3: 1,075,309 km (0.109 R)
• M4: 1,524,552 km (0.096 R)
• M5: 4,323,678 km (0.045 R)
• M6: 4,910,251 km (0.11 R)
• M7: 5,572,969 km (0.096 R)
• M8: 6,451,109 km (0.073 R)
• M9: 7,892,484 km (0.105 R)
• M10: 13,409,504 km (0.083 R)
• M11: 14,068,633 km (0.094 R)
• M12: 14,888,130 km (0.039 R)
• M13: 16,872,994 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.6

Radius: 14.1

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.51 AU - 3.59 AU

Year: 4617 Days

Day: 9.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,893,331 km

• M1: 175,478 km (0.101 R)
• M2: 692,638 km (0.056 R)
• M3: 1,248,843 km (0.078 R)
• M4: 1,727,107 km (0.055 R)
• M5: 2,497,836 km (0.071 R)
• M6: 3,004,823 km (0.107 R)
• M7: 4,106,462 km (0.054 R)
• M8: 4,572,609 km (0.12 R)
• M9: 6,718,590 km (0.093 R)
• M10: 8,901,821 km (0.073 R)
• M11: 9,762,009 km (0.114 R)
• M12: 10,250,596 km (0.094 R)
• M13: 12,545,577 km (0.08 R)
• M14: 14,143,282 km (0.108 R)
• M15: 15,415,313 km (0.097 R)
• M16: 16,497,354 km (0.096 R)
• M17: 17,409,901 km (0.106 R)
• M18: 18,299,260 km (0.111 R)
• M19: 19,043,959 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.3

Radius: 13.4

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.84 AU - 4.64 AU

Year: 6026 Days

Day: 12.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,893,331 km

• M1: 170,392 km (0.11 R)
• M2: 998,865 km (0.113 R)
• M3: 1,493,585 km (0.067 R)
• M4: 2,209,411 km (0.11 R)
• M5: 2,664,039 km (0.106 R)
• M6: 3,163,397 km (0.109 R)
• M7: 3,623,560 km (0.076 R)
• M8: 4,063,078 km (0.118 R)
• M9: 5,050,723 km (0.037 R)
• M10: 9,096,598 km (0.03 R)
• M11: 10,739,482 km (0.094 R)
• M12: 11,609,244 km (0.117 R)
• M13: 13,001,401 km (0.03 R)
• M14: 14,244,260 km (0.04 R)
• M15: 15,027,106 km (0.052 R)
• M16: 16,339,229 km (0.113 R)
• M17: 17,139,129 km (0.106 R)
• M18: 21,065,923 km (0.047 R)
• M19: 23,488,362 km (0.116 R)
• M20: 23,994,302 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.1

Radius: 13

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 4.54 AU - 5.14 AU

Year: 7350 Days

Day: 7.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,893,331 km

• M1: 162,314 km (0.034 R)
• M2: 915,838 km (0.043 R)
• M3: 1,437,935 km (0.074 R)
• M4: 3,077,079 km (0.037 R)
• M5: 3,481,442 km (0.061 R)
• M6: 6,069,934 km (0.03 R)
• M7: 7,229,317 km (0.086 R)
• M8: 7,802,875 km (0.065 R)
• M9: 10,053,276 km (0.066 R)
• M10: 11,827,656 km (0.117 R)
• M11: 12,789,421 km (0.085 R)
• M12: 15,005,414 km (0.094 R)
• M13: 15,703,288 km (0.088 R)
• M14: 16,228,826 km (0.078 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 131

Radius: 3.1

Gravity: 13.63 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 4.64 AU - 7.08 AU

Year: 9792 Days

Day: 17.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,893,331 km

• M1: 39,344 km (0.094 R)
• M2: 145,858 km (0.098 R)
• M3: 428,747 km (0.084 R)
• M4: 1,135,897 km (0.094 R)
• M5: 2,125,935 km (0.066 R)
• M6: 3,645,700 km (0.118 R)
• M7: 3,774,504 km (0.098 R)
• M8: 4,018,498 km (0.027 R)
• M9: 5,262,255 km (0.031 R)
• M10: 7,610,193 km (0.104 R)
• M11: 8,144,108 km (0.108 R)
• M12: 14,922,238 km (0.083 R)
• M13: 15,307,602 km (0.096 R)
• M14: 21,911,151 km (0.069 R)
• M15: 25,867,716 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 575.6

Radius: 6.8

Gravity: 12.45 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 5.26 AU - 7.12 AU

Year: 10630 Days

Day: 17.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,893,331 km

• M1: 93,798 km (0.075 R)
• M2: 846,126 km (0.085 R)
• M3: 1,900,491 km (0.107 R)
• M4: 2,624,545 km (0.07 R)
• M5: 3,644,055 km (0.052 R)
• M6: 5,892,810 km (0.07 R)
• M7: 6,286,252 km (0.066 R)
• M8: 7,245,773 km (0.095 R)
• M9: 9,645,323 km (0.116 R)
• M10: 10,242,667 km (0.113 R)
• M11: 12,012,709 km (0.059 R)
• M12: 15,002,722 km (0.061 R)
• M13: 26,395,946 km (0.06 R)
• M14: 27,365,490 km (0.063 R)
• M15: 28,966,037 km (0.086 R)
• M16: 33,574,549 km (0.05 R)
• M17: 38,156,882 km (0.057 R)
• M18: 46,972,086 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 976

Radius: 6.3

Gravity: 24.59 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 6.81 AU - 7.49 AU

Year: 13197 Days

Day: 21.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 64,893,331 km

• M1: 86,468 km (0.095 R)
• M2: 343,776 km (0.074 R)
• M3: 566,378 km (0.117 R)
• M4: 919,578 km (0.08 R)
• M5: 2,763,073 km (0.107 R)
• M6: 3,204,237 km (0.08 R)
• M7: 3,551,304 km (0.08 R)
• M8: 3,806,069 km (0.096 R)
• M9: 5,089,170 km (0.094 R)
• M10: 5,340,195 km (0.075 R)
• M11: 5,637,297 km (0.066 R)
• M12: 5,984,663 km (0.117 R)
• M13: 6,679,545 km (0.101 R)
• M14: 7,246,371 km (0.037 R)
• M15: 8,777,655 km (0.091 R)
• M16: 10,227,707 km (0.112 R)
• M17: 11,399,956 km (0.038 R)
• M18: 12,724,496 km (0.08 R)
• M19: 14,360,199 km (0.084 R)
• M20: 17,309,222 km (0.085 R)
• M21: 17,878,142 km (0.085 R)
• M22: 21,836,951 km (0.082 R)
• M23: 22,596,908 km (0.116 R)
• M24: 24,069,400 km (0.089 R)
• M25: 30,718,277 km (0.045 R)
• M26: 32,400,056 km (0.111 R)
• M27: 33,763,940 km (0.03 R)
• M28: 36,871,387 km (0.118 R)
• M29: 39,462,871 km (0.072 R)
• M30: 42,906,614 km (0.106 R)
• M31: 46,234,568 km (0.082 R)
• M32: 47,644,229 km (0.103 R)
• M33: 53,228,269 km (0.099 R)
• M34: 54,602,774 km (0.092 R)
• M35: 58,868,109 km (0.051 R)
• M36: 60,337,758 km (0.057 R)
• M37: 61,081,708 km (0.032 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 212 - 14,593 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit