🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.9

Radius: 8.1

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.74 AU - 1.16 AU

Year: 589 Days

Day: 8.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,217,564 km

• M1: 100,679 km (0.116 R)
• M2: 390,899 km (0.072 R)
• M3: 692,937 km (0.073 R)
• M4: 1,056,011 km (0.115 R)
• M5: 1,435,242 km (0.109 R)
• M6: 1,800,710 km (0.046 R)
• M7: 2,337,168 km (0.062 R)
• M8: 3,236,700 km (0.115 R)
• M9: 3,700,902 km (0.103 R)
• M10: 4,627,062 km (0.108 R)
• M11: 5,249,090 km (0.075 R)
• M12: 5,614,258 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.7

Radius: 14.1

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.38 AU - 1.88 AU

Year: 1323 Days

Day: 13.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 86,217,564 km

• M1: 231,877 km (0.12 R)
• M2: 1,708,856 km (0.034 R)
• M3: 2,940,645 km (0.09 R)
• M4: 3,460,049 km (0.101 R)
• M5: 4,775,014 km (0.117 R)
• M6: 5,497,572 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70

Radius: 8.9

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.63 AU - 2.35 AU

Year: 1785 Days

Day: 9.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,217,564 km

• M1: 110,702 km (0.09 R)
• M2: 400,324 km (0.113 R)
• M3: 726,896 km (0.088 R)
• M4: 1,134,251 km (0.118 R)
• M5: 1,412,653 km (0.058 R)
• M6: 1,826,291 km (0.118 R)
• M7: 2,112,172 km (0.111 R)
• M8: 2,842,509 km (0.103 R)
• M9: 3,545,619 km (0.063 R)
• M10: 4,330,260 km (0.104 R)
• M11: 5,538,712 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.4

Radius: 12.5

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.27 AU - 3.25 AU

Year: 2915 Days

Day: 11.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 86,217,564 km

• M1: 155,432 km (0.092 R)
• M2: 546,032 km (0.081 R)
• M3: 1,135,747 km (0.027 R)
• M4: 1,572,573 km (0.047 R)
• M5: 2,109,629 km (0.113 R)
• M6: 2,503,969 km (0.095 R)
• M7: 3,137,067 km (0.086 R)
• M8: 3,539,785 km (0.073 R)
• M9: 4,187,992 km (0.095 R)
• M10: 4,938,076 km (0.067 R)
• M11: 5,486,502 km (0.063 R)
• M12: 6,385,436 km (0.088 R)
• M13: 7,068,200 km (0.107 R)
• M14: 8,899,428 km (0.092 R)
• M15: 9,828,879 km (0.097 R)
• M16: 12,100,673 km (0.099 R)
• M17: 13,241,207 km (0.099 R)
• M18: 14,854,919 km (0.11 R)
• M19: 15,947,731 km (0.118 R)
• M20: 16,486,733 km (0.068 R)
• M21: 17,374,297 km (0.081 R)
• M22: 18,646,477 km (0.081 R)
• M23: 21,375,591 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 17.7

Radius: 7.3

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 5.84 AU - 7.88 AU

Year: 11424 Days

Day: 20.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 86,217,564 km

• M1: 90,806 km (0.104 R)
• M2: 1,393,355 km (0.082 R)
• M3: 2,061,758 km (0.084 R)
• M4: 3,483,087 km (0.116 R)
• M5: 4,577,545 km (0.101 R)
• M6: 5,060,746 km (0.062 R)
• M7: 5,647,619 km (0.082 R)
• M8: 7,797,191 km (0.11 R)
• M9: 10,546,500 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 108.4

Radius: 7.9

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 7.98 AU - 8.88 AU

Year: 15562 Days

Day: 16.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 86,217,564 km

• M1: 98,286 km (0.114 R)
• M2: 467,942 km (0.06 R)
• M3: 722,707 km (0.033 R)
• M4: 1,462,918 km (0.114 R)
• M5: 2,064,151 km (0.118 R)
• M6: 2,633,970 km (0.064 R)
• M7: 3,015,594 km (0.108 R)
• M8: 3,304,467 km (0.04 R)
• M9: 3,819,234 km (0.098 R)
• M10: 4,108,406 km (0.087 R)
• M11: 6,162,834 km (0.072 R)
• M12: 6,977,993 km (0.117 R)
• M13: 8,017,698 km (0.081 R)
• M14: 9,242,456 km (0.118 R)
• M15: 10,447,317 km (0.113 R)
• M16: 11,553,444 km (0.114 R)
• M17: 12,006,875 km (0.05 R)
• M18: 15,581,067 km (0.078 R)
• M19: 20,022,029 km (0.117 R)
• M20: 22,181,624 km (0.087 R)
• M21: 22,647,023 km (0.094 R)
• M22: 25,240,153 km (0.114 R)
• M23: 29,398,076 km (0.066 R)
• M24: 29,677,974 km (0.026 R)
• M25: 32,476,501 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 798.2

Radius: 5.1

Gravity: 30.69 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 10.73 AU - 10.73 AU

Year: 22348 Days

Day: 24.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 86,217,564 km

• M1: 63,429 km (0.116 R)
• M2: 549,323 km (0.096 R)
• M3: 838,646 km (0.111 R)
• M4: 1,458,579 km (0.048 R)
• M5: 2,186,522 km (0.102 R)
• M6: 2,366,339 km (0.114 R)
• M7: 3,020,979 km (0.064 R)
• M8: 4,357,038 km (0.106 R)
• M9: 4,790,872 km (0.09 R)
• M10: 6,221,177 km (0.106 R)
• M11: 6,865,645 km (0.114 R)
• M12: 7,502,932 km (0.1 R)
• M13: 8,232,520 km (0.106 R)
• M14: 8,449,288 km (0.112 R)
• M15: 9,892,309 km (0.103 R)
• M16: 10,704,027 km (0.088 R)
• M17: 11,027,757 km (0.078 R)
• M18: 13,035,510 km (0.093 R)
• M19: 13,256,167 km (0.073 R)
• M20: 14,633,215 km (0.086 R)
• M21: 16,102,715 km (0.115 R)
• M22: 16,271,760 km (0.083 R)
• M23: 16,613,592 km (0.096 R)
• M24: 18,765,856 km (0.044 R)
• M25: 20,006,022 km (0.065 R)
• M26: 20,895,831 km (0.052 R)
• M27: 24,607,952 km (0.111 R)
• M28: 28,120,510 km (0.097 R)
• M29: 30,898,991 km (0.116 R)
• M30: 37,585,268 km (0.112 R)
• M31: 38,634,398 km (0.092 R)
• M32: 42,058,693 km (0.096 R)
• M33: 42,864,278 km (0.094 R)
• M34: 56,017,222 km (0.092 R)
• M35: 56,600,803 km (0.063 R)
• M36: 59,781,553 km (0.083 R)
• M37: 62,036,143 km (0.113 R)
• M38: 66,714,068 km (0.09 R)
• M39: 73,000,769 km (0.065 R)
• M40: 80,408,556 km (0.101 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 402 - 12,521 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit