🌌 Stone's Star System Generator

Asteroid Belt

Center: 2.15 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.8

Radius: 14.6

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 3.72 AU - 4.86 AU

Year: 6246 Days

Day: 10.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,373,148 km

• M1: 181,911 km (0.049 R)
• M2: 757,564 km (0.037 R)
• M3: 1,650,214 km (0.091 R)
• M4: 2,765,466 km (0.085 R)
• M5: 3,915,874 km (0.116 R)
• M6: 7,635,027 km (0.116 R)
• M7: 9,603,585 km (0.094 R)
• M8: 10,780,172 km (0.083 R)
• M9: 13,462,013 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.2

Radius: 14.9

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.9 AU - 4.72 AU

Year: 6290 Days

Day: 6.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,373,148 km

• M1: 186,399 km (0.119 R)
• M2: 758,611 km (0.051 R)
• M3: 1,706,463 km (0.046 R)
• M4: 2,183,082 km (0.087 R)
• M5: 2,885,444 km (0.118 R)
• M6: 4,076,243 km (0.111 R)
• M7: 4,846,073 km (0.112 R)
• M8: 6,166,873 km (0.099 R)
• M9: 8,674,433 km (0.106 R)
• M10: 11,395,169 km (0.054 R)
• M11: 12,167,543 km (0.115 R)
• M12: 14,381,292 km (0.087 R)
• M13: 17,260,602 km (0.085 R)
• M14: 18,219,076 km (0.034 R)
• M15: 19,787,161 km (0.054 R)
• M16: 20,373,285 km (0.109 R)
• M17: 21,648,607 km (0.09 R)
• M18: 24,432,474 km (0.098 R)
• M19: 25,487,737 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.7

Radius: 11.8

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 5.05 AU - 5.33 AU

Year: 8311 Days

Day: 11.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,373,148 km

• M1: 146,756 km (0.11 R)
• M2: 522,695 km (0.075 R)
• M3: 941,719 km (0.049 R)
• M4: 3,065,111 km (0.064 R)
• M5: 3,750,718 km (0.099 R)
• M6: 5,170,701 km (0.071 R)
• M7: 6,359,705 km (0.118 R)
• M8: 8,674,283 km (0.117 R)
• M9: 10,346,787 km (0.112 R)
• M10: 19,364,696 km (0.095 R)
• M11: 21,279,699 km (0.095 R)
• M12: 25,483,399 km (0.107 R)
• M13: 26,710,700 km (0.112 R)
• M14: 30,210,392 km (0.095 R)
• M15: 31,157,497 km (0.11 R)
• M16: 38,472,084 km (0.072 R)
• M17: 39,211,397 km (0.057 R)
• M18: 40,085,946 km (0.09 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 504.8

Radius: 3.8

Gravity: 34.96 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 5.43 AU - 6.47 AU

Year: 10202 Days

Day: 20.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 73,373,148 km

• M1: 49,367 km (0.092 R)
• M2: 251,324 km (0.084 R)
• M3: 441,613 km (0.095 R)
• M4: 683,961 km (0.109 R)
• M5: 988,992 km (0.078 R)
• M6: 2,041,413 km (0.103 R)
• M7: 2,303,508 km (0.053 R)
• M8: 2,647,134 km (0.112 R)
• M9: 3,630,142 km (0.112 R)
• M10: 4,041,237 km (0.092 R)
• M11: 5,078,549 km (0.088 R)
• M12: 5,725,559 km (0.043 R)
• M13: 5,964,467 km (0.119 R)
• M14: 7,379,214 km (0.118 R)
• M15: 8,249,874 km (0.066 R)
• M16: 8,510,772 km (0.081 R)
• M17: 8,777,057 km (0.106 R)
• M18: 8,957,621 km (0.071 R)
• M19: 9,609,419 km (0.098 R)
• M20: 9,753,033 km (0.058 R)
• M21: 10,543,658 km (0.035 R)
• M22: 12,195,368 km (0.052 R)
• M23: 13,889,414 km (0.076 R)
• M24: 15,470,664 km (0.063 R)
• M25: 16,406,398 km (0.078 R)
• M26: 17,238,163 km (0.1 R)
• M27: 17,807,981 km (0.112 R)
• M28: 18,463,818 km (0.07 R)
• M29: 20,134,826 km (0.057 R)
• M30: 20,766,578 km (0.091 R)
• M31: 27,537,976 km (0.085 R)
• M32: 28,710,375 km (0.102 R)
• M33: 33,733,422 km (0.118 R)
• M34: 35,187,962 km (0.093 R)
• M35: 38,462,211 km (0.087 R)
• M36: 42,189,292 km (0.091 R)
• M37: 43,483,314 km (0.032 R)
• M38: 43,876,457 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 406.6

Radius: 7.6

Gravity: 7.04 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 6.23 AU - 6.28 AU

Year: 10983 Days

Day: 18.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,373,148 km

• M1: 94,546 km (0.067 R)
• M2: 426,653 km (0.088 R)
• M3: 820,844 km (0.09 R)
• M4: 1,394,103 km (0.075 R)
• M5: 1,703,172 km (0.09 R)
• M6: 2,041,263 km (0.116 R)
• M7: 2,423,934 km (0.113 R)
• M8: 3,264,525 km (0.074 R)
• M9: 4,856,096 km (0.069 R)
• M10: 6,831,985 km (0.109 R)
• M11: 7,174,564 km (0.113 R)
• M12: 8,442,855 km (0.027 R)
• M13: 9,290,477 km (0.082 R)
• M14: 12,508,028 km (0.083 R)
• M15: 12,963,553 km (0.062 R)
• M16: 14,028,840 km (0.1 R)
• M17: 14,896,806 km (0.033 R)
• M18: 15,215,450 km (0.114 R)
• M19: 18,951,507 km (0.054 R)
• M20: 19,857,771 km (0.115 R)
• M21: 23,600,111 km (0.089 R)
• M22: 24,648,493 km (0.117 R)
• M23: 28,758,994 km (0.074 R)
• M24: 29,153,932 km (0.093 R)
• M25: 30,156,986 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 555.6

Radius: 3

Gravity: 61.73 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 6.62 AU - 8.42 AU

Year: 14496 Days

Day: 17.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,373,148 km

• M1: 37,399 km (0.071 R)
• M2: 175,030 km (0.054 R)
• M3: 276,158 km (0.114 R)
• M4: 442,361 km (0.069 R)
• M5: 559,646 km (0.118 R)
• M6: 808,726 km (0.09 R)
• M7: 1,418,337 km (0.102 R)
• M8: 1,859,950 km (0.092 R)
• M9: 4,246,186 km (0.101 R)
• M10: 4,812,264 km (0.095 R)
• M11: 10,139,594 km (0.083 R)
• M12: 11,551,200 km (0.096 R)
• M13: 16,562,130 km (0.11 R)
• M14: 18,833,923 km (0.103 R)
• M15: 26,671,356 km (0.075 R)
• M16: 28,678,660 km (0.057 R)
• M17: 37,845,419 km (0.06 R)
• M18: 41,333,293 km (0.044 R)
• M19: 48,017,925 km (0.067 R)
• M20: 52,097,159 km (0.088 R)
• M21: 54,220,551 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 860.3

Radius: 7.1

Gravity: 17.07 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 6.9 AU - 9.76 AU

Year: 16900 Days

Day: 22.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 73,373,148 km

• M1: 88,263 km (0.119 R)
• M2: 515,664 km (0.049 R)
• M3: 1,015,321 km (0.041 R)
• M4: 2,106,787 km (0.12 R)
• M5: 3,071,543 km (0.051 R)
• M6: 4,369,006 km (0.082 R)
• M7: 5,635,053 km (0.055 R)
• M8: 6,162,235 km (0.062 R)
• M9: 6,589,936 km (0.051 R)
• M10: 7,315,037 km (0.104 R)
• M11: 8,657,528 km (0.033 R)
• M12: 9,084,929 km (0.085 R)
• M13: 12,889,502 km (0.061 R)
• M14: 16,316,939 km (0.061 R)
• M15: 19,570,842 km (0.119 R)
• M16: 20,214,113 km (0.109 R)
• M17: 24,903,258 km (0.107 R)
• M18: 25,876,991 km (0.1 R)
• M19: 27,101,300 km (0.083 R)
• M20: 31,502,619 km (0.112 R)
• M21: 34,069,419 km (0.119 R)
• M22: 35,268,596 km (0.115 R)
• M23: 35,810,589 km (0.09 R)
• M24: 36,220,636 km (0.064 R)
• M25: 39,324,044 km (0.063 R)
• M26: 39,906,728 km (0.098 R)
• M27: 46,377,135 km (0.115 R)
• M28: 47,519,315 km (0.068 R)
• M29: 48,680,194 km (0.084 R)
• M30: 52,451,557 km (0.096 R)
• M31: 55,495,873 km (0.111 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: 400 - 19,407 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit