🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.6

Radius: 10.2

Gravity: 9.31 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.55 AU - 0.85 AU

Year: 384 Days

Day: 10.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,281,292 km

• M1: 126,859 km (0.06 R)
• M2: 485,445 km (0.097 R)
• M3: 845,677 km (0.085 R)
• M4: 1,285,195 km (0.087 R)
• M5: 1,619,696 km (0.062 R)
• M6: 1,979,928 km (0.074 R)
• M7: 2,886,940 km (0.076 R)
• M8: 3,232,960 km (0.111 R)
• M9: 3,784,976 km (0.104 R)
• M10: 4,284,932 km (0.115 R)
• M11: 4,602,827 km (0.097 R)
• M12: 5,173,244 km (0.077 R)
• M13: 5,965,215 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424

Radius: 12.3

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.93 AU - 1.25 AU

Year: 747 Days

Day: 5.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 75.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,281,292 km

• M1: 153,039 km (0.11 R)
• M2: 744,549 km (0.091 R)
• M3: 1,391,410 km (0.105 R)
• M4: 2,055,325 km (0.09 R)
• M5: 2,502,324 km (0.093 R)
• M6: 4,339,984 km (0.097 R)
• M7: 6,212,201 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.7

Radius: 10.4

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.42 AU - 1.7 AU

Year: 1278 Days

Day: 7.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,281,292 km

• M1: 129,402 km (0.097 R)
• M2: 473,178 km (0.075 R)
• M3: 919,877 km (0.081 R)
• M4: 1,503,459 km (0.067 R)
• M5: 2,087,189 km (0.1 R)
• M6: 2,607,640 km (0.075 R)
• M7: 3,722,593 km (0.086 R)
• M8: 4,404,909 km (0.072 R)
• M9: 5,092,162 km (0.111 R)
• M10: 6,387,231 km (0.087 R)
• M11: 6,748,510 km (0.036 R)
• M12: 7,463,139 km (0.114 R)
• M13: 8,493,419 km (0.115 R)
• M14: 8,903,317 km (0.068 R)
• M15: 9,383,975 km (0.081 R)

Asteroid Belt

Center: 2.02 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.5

Radius: 13.7

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.16 AU - 2.8 AU

Year: 2562 Days

Day: 6.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,281,292 km

• M1: 170,392 km (0.115 R)
• M2: 655,538 km (0.083 R)
• M3: 1,083,238 km (0.037 R)
• M4: 1,749,846 km (0.1 R)
• M5: 2,596,720 km (0.085 R)
• M6: 3,130,934 km (0.088 R)
• M7: 3,901,961 km (0.067 R)
• M8: 5,350,218 km (0.081 R)
• M9: 5,848,230 km (0.091 R)
• M10: 6,586,794 km (0.117 R)
• M11: 7,589,399 km (0.067 R)
• M12: 8,036,248 km (0.113 R)
• M13: 8,469,035 km (0.058 R)
• M14: 9,348,221 km (0.109 R)
• M15: 10,287,397 km (0.064 R)
• M16: 11,250,209 km (0.082 R)
• M17: 11,753,755 km (0.078 R)
• M18: 12,557,993 km (0.112 R)
• M19: 14,276,125 km (0.119 R)
• M20: 15,005,564 km (0.118 R)
• M21: 16,588,609 km (0.083 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 745.7

Radius: 7.4

Gravity: 13.62 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 5.35 AU - 7.13 AU

Year: 10226 Days

Day: 22.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 36,281,292 km

• M1: 93,050 km (0.077 R)
• M2: 684,111 km (0.114 R)
• M3: 1,176,886 km (0.071 R)
• M4: 1,594,713 km (0.12 R)
• M5: 1,970,054 km (0.098 R)
• M6: 2,326,995 km (0.102 R)
• M7: 3,241,487 km (0.086 R)
• M8: 4,175,725 km (0.038 R)
• M9: 4,583,828 km (0.088 R)
• M10: 6,077,862 km (0.032 R)
• M11: 7,197,453 km (0.035 R)
• M12: 8,313,004 km (0.116 R)
• M13: 9,441,122 km (0.1 R)
• M14: 9,788,637 km (0.108 R)
• M15: 11,940,304 km (0.094 R)
• M16: 14,001,912 km (0.037 R)
• M17: 16,008,468 km (0.119 R)
• M18: 17,300,246 km (0.057 R)
• M19: 18,971,852 km (0.084 R)
• M20: 22,632,811 km (0.096 R)
• M21: 26,151,802 km (0.108 R)
• M22: 26,444,266 km (0.082 R)
• M23: 29,595,246 km (0.072 R)
• M24: 30,770,936 km (0.082 R)
• M25: 32,311,943 km (0.119 R)
• M26: 32,987,826 km (0.056 R)
• M27: 33,788,325 km (0.081 R)
• M28: 34,718,823 km (0.084 R)
• M29: 35,786,055 km (0.055 R)
• M30: 39,757,729 km (0.093 R)
• M31: 41,451,924 km (0.113 R)
• M32: 47,253,779 km (0.063 R)
• M33: 48,417,052 km (0.028 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 146.2

Radius: 3.4

Gravity: 12.65 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 7.85 AU - 9.37 AU

Year: 16573 Days

Day: 23.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 36,281,292 km

• M1: 42,336 km (0.111 R)
• M2: 397,781 km (0.087 R)
• M3: 631,602 km (0.056 R)
• M4: 848,669 km (0.087 R)
• M5: 1,060,649 km (0.092 R)
• M6: 1,418,038 km (0.044 R)
• M7: 2,206,718 km (0.095 R)
• M8: 2,645,788 km (0.1 R)
• M9: 3,526,321 km (0.12 R)
• M10: 3,694,020 km (0.111 R)
• M11: 4,419,121 km (0.103 R)
• M12: 4,529,824 km (0.039 R)
• M13: 5,172,795 km (0.114 R)
• M14: 7,270,307 km (0.115 R)
• M15: 7,385,946 km (0.112 R)
• M16: 8,569,265 km (0.078 R)
• M17: 8,916,631 km (0.114 R)
• M18: 9,732,538 km (0.067 R)
• M19: 10,303,404 km (0.109 R)
• M20: 10,596,915 km (0.106 R)
• M21: 10,845,846 km (0.114 R)
• M22: 12,866,763 km (0.083 R)
• M23: 13,321,990 km (0.063 R)
• M24: 15,825,061 km (0.026 R)
• M25: 16,679,714 km (0.092 R)
• M26: 17,357,841 km (0.035 R)
• M27: 24,914,628 km (0.118 R)
• M28: 33,647,403 km (0.088 R)
• M29: 36,166,781 km (0.09 R)
• M30: 37,991,726 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 91.6

Radius: 7.3

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 7.52 AU - 10.68 AU

Year: 18008 Days

Day: 16.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,281,292 km

• M1: 91,404 km (0.061 R)
• M2: 514,168 km (0.09 R)
• M3: 756,666 km (0.118 R)
• M4: 3,049,253 km (0.096 R)
• M5: 5,005,395 km (0.105 R)
• M6: 6,046,596 km (0.064 R)
• M7: 9,054,262 km (0.089 R)
• M8: 9,577,854 km (0.092 R)
• M9: 12,664,357 km (0.045 R)
• M10: 13,655,144 km (0.066 R)
• M11: 15,358,615 km (0.097 R)
• M12: 15,914,969 km (0.092 R)
• M13: 16,806,872 km (0.08 R)
• M14: 21,009,226 km (0.045 R)
• M15: 25,689,994 km (0.072 R)
• M16: 32,713,913 km (0.106 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 300 - 15,233 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit