🌌 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: 945.2

Radius: 14.8

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.62 AU - 0.8 AU

Year: 421 Days

Day: 12 Hours

Environment

Temp: -164 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,838,302 km

• M1: 184,155 km (0.116 R)
• M2: 710,889 km (0.077 R)
• M3: 1,210,097 km (0.033 R)
• M4: 1,714,541 km (0.11 R)
• M5: 2,234,543 km (0.117 R)
• M6: 3,124,950 km (0.097 R)
• M7: 3,755,804 km (0.042 R)
• M8: 4,573,805 km (0.028 R)
• M9: 5,308,480 km (0.084 R)
• M10: 6,248,553 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.7

Radius: 11.3

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.7 AU - 1.12 AU

Year: 610 Days

Day: 8.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,838,302 km

• M1: 140,622 km (0.086 R)
• M2: 519,703 km (0.11 R)
• M3: 875,297 km (0.118 R)
• M4: 1,251,985 km (0.083 R)
• M5: 1,626,428 km (0.06 R)
• M6: 1,982,022 km (0.111 R)
• M7: 2,703,982 km (0.103 R)
• M8: 4,036,450 km (0.111 R)
• M9: 4,606,866 km (0.114 R)
• M10: 5,032,622 km (0.074 R)
• M11: 5,729,748 km (0.098 R)
• M12: 6,185,722 km (0.078 R)
• M13: 6,764,666 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.7

Radius: 11.6

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.98 AU - 1 AU

Year: 692 Days

Day: 10.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,838,302 km

• M1: 147,504 km (0.072 R)
• M2: 853,007 km (0.094 R)
• M3: 1,225,655 km (0.035 R)
• M4: 1,805,347 km (0.04 R)
• M5: 2,754,546 km (0.12 R)
• M6: 3,316,286 km (0.116 R)
• M7: 3,995,909 km (0.039 R)
• M8: 5,668,862 km (0.116 R)
• M9: 6,170,763 km (0.079 R)
• M10: 6,783,515 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.8

Radius: 9.7

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.63 AU - 4.27 AU

Year: 5518 Days

Day: 5.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 64,838,302 km

• M1: 120,725 km (0.075 R)
• M2: 477,516 km (0.116 R)
• M3: 790,026 km (0.047 R)
• M4: 1,136,345 km (0.099 R)
• M5: 1,928,915 km (0.116 R)
• M6: 2,488,261 km (0.081 R)
• M7: 3,172,522 km (0.119 R)
• M8: 3,635,976 km (0.052 R)
• M9: 4,466,095 km (0.101 R)
• M10: 4,994,325 km (0.073 R)
• M11: 5,505,052 km (0.05 R)
• M12: 5,987,804 km (0.084 R)
• M13: 6,731,156 km (0.079 R)
• M14: 8,757,609 km (0.116 R)
• M15: 10,648,376 km (0.116 R)
• M16: 12,234,712 km (0.119 R)
• M17: 12,745,140 km (0.097 R)
• M18: 14,814,976 km (0.099 R)
• M19: 17,802,595 km (0.087 R)
• M20: 19,957,254 km (0.107 R)
• M21: 21,905,915 km (0.077 R)
• M22: 23,195,898 km (0.115 R)
• M23: 23,820,319 km (0.103 R)
• M24: 26,345,831 km (0.094 R)
• M25: 27,283,360 km (0.097 R)
• M26: 27,979,140 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.3

Radius: 10.3

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 4.41 AU - 5.81 AU

Year: 8120 Days

Day: 9.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,838,302 km

• M1: 128,056 km (0.06 R)
• M2: 717,621 km (0.032 R)
• M3: 1,592,170 km (0.112 R)
• M4: 2,229,756 km (0.097 R)
• M5: 2,599,712 km (0.09 R)
• M6: 3,086,802 km (0.118 R)
• M7: 4,149,995 km (0.076 R)
• M8: 5,385,374 km (0.085 R)
• M9: 6,621,950 km (0.061 R)
• M10: 7,463,587 km (0.08 R)
• M11: 7,892,185 km (0.085 R)
• M12: 8,489,081 km (0.089 R)
• M13: 10,999,483 km (0.115 R)
• M14: 11,414,617 km (0.114 R)
• M15: 11,744,779 km (0.088 R)
• M16: 12,325,518 km (0.098 R)
• M17: 14,509,946 km (0.088 R)
• M18: 15,520,779 km (0.098 R)
• M19: 16,517,998 km (0.081 R)
• M20: 17,247,288 km (0.098 R)
• M21: 18,316,913 km (0.102 R)
• M22: 18,900,793 km (0.042 R)
• M23: 19,833,686 km (0.072 R)
• M24: 23,341,606 km (0.096 R)
• M25: 24,885,307 km (0.06 R)
• M26: 28,003,824 km (0.112 R)
• M27: 28,692,124 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 921.7

Radius: 4.3

Gravity: 49.85 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 4.88 AU - 7.88 AU

Year: 11328 Days

Day: 22.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 64,838,302 km

• M1: 53,556 km (0.06 R)
• M2: 271,520 km (0.116 R)
• M3: 435,180 km (0.095 R)
• M4: 1,006,046 km (0.096 R)
• M5: 1,620,145 km (0.069 R)
• M6: 2,733,901 km (0.056 R)
• M7: 2,916,560 km (0.105 R)
• M8: 3,331,993 km (0.108 R)
• M9: 4,159,569 km (0.117 R)
• M10: 4,309,765 km (0.056 R)
• M11: 5,358,745 km (0.106 R)
• M12: 6,133,064 km (0.065 R)
• M13: 6,406,978 km (0.076 R)
• M14: 6,567,197 km (0.043 R)
• M15: 7,063,712 km (0.11 R)
• M16: 7,854,935 km (0.029 R)
• M17: 8,084,867 km (0.092 R)
• M18: 8,510,024 km (0.07 R)
• M19: 8,703,604 km (0.098 R)
• M20: 9,099,739 km (0.056 R)
• M21: 9,611,663 km (0.071 R)
• M22: 10,581,207 km (0.102 R)
• M23: 13,547,583 km (0.067 R)
• M24: 18,844,395 km (0.057 R)
• M25: 20,355,782 km (0.045 R)
• M26: 22,771,788 km (0.067 R)
• M27: 29,467,789 km (0.081 R)
• M28: 30,584,686 km (0.099 R)
• M29: 36,087,195 km (0.05 R)
• M30: 41,102,314 km (0.075 R)
• M31: 44,207,966 km (0.082 R)
• M32: 44,352,777 km (0.101 R)
• M33: 45,081,318 km (0.101 R)
• M34: 46,263,590 km (0.092 R)
• M35: 50,881,377 km (0.111 R)
• M36: 53,301,422 km (0.113 R)
• M37: 55,966,059 km (0.063 R)
• M38: 57,159,252 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 778.6

Radius: 3.1

Gravity: 81.02 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 6.51 AU - 8.71 AU

Year: 14757 Days

Day: 17 Hours

Environment

Temp: -238 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 64,838,302 km

• M1: 38,596 km (0.069 R)
• M2: 156,180 km (0.059 R)
• M3: 351,256 km (0.117 R)
• M4: 1,003,203 km (0.078 R)
• M5: 1,328,279 km (0.091 R)
• M6: 2,201,931 km (0.085 R)
• M7: 2,630,679 km (0.111 R)
• M8: 3,736,506 km (0.113 R)
• M9: 4,977,869 km (0.103 R)
• M10: 5,520,909 km (0.102 R)
• M11: 5,634,005 km (0.079 R)
• M12: 5,982,868 km (0.069 R)
• M13: 6,809,246 km (0.04 R)
• M14: 7,160,203 km (0.114 R)
• M15: 7,662,104 km (0.114 R)
• M16: 8,483,546 km (0.116 R)
• M17: 9,740,467 km (0.025 R)
• M18: 10,760,874 km (0.107 R)
• M19: 12,813,058 km (0.085 R)
• M20: 17,185,205 km (0.051 R)
• M21: 19,790,901 km (0.089 R)
• M22: 22,169,806 km (0.062 R)
• M23: 23,526,360 km (0.051 R)
• M24: 33,968,141 km (0.068 R)
• M25: 48,708,917 km (0.087 R)
• M26: 51,324,486 km (0.109 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 243 - 20,073 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit