🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.2

Radius: 12.4

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.72 AU - 0.94 AU

Year: 522 Days

Day: 12.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,138,561 km

• M1: 154,535 km (0.038 R)
• M2: 570,566 km (0.114 R)
• M3: 1,054,515 km (0.119 R)
• M4: 1,513,033 km (0.092 R)
• M5: 1,931,458 km (0.106 R)
• M6: 2,508,457 km (0.114 R)
• M7: 3,090,991 km (0.074 R)
• M8: 3,615,481 km (0.103 R)
• M9: 4,068,763 km (0.038 R)
• M10: 4,780,400 km (0.109 R)
• M11: 5,380,138 km (0.057 R)
• M12: 6,029,692 km (0.089 R)
• M13: 6,873,424 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.2

Radius: 13.7

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.23 AU - 1.27 AU

Year: 965 Days

Day: 8 Hours

Environment

Temp: -184 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 80,138,561 km

• M1: 170,392 km (0.101 R)
• M2: 963,560 km (0.09 R)
• M3: 1,518,568 km (0.057 R)
• M4: 2,033,035 km (0.034 R)
• M5: 3,203,489 km (0.087 R)
• M6: 3,910,788 km (0.069 R)
• M7: 4,519,352 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.1

Radius: 10.7

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.05 AU - 3.29 AU

Year: 3011 Days

Day: 10.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 80,138,561 km

• M1: 135,386 km (0.085 R)
• M2: 552,764 km (0.115 R)
• M3: 941,719 km (0.098 R)
• M4: 1,281,007 km (0.118 R)
• M5: 2,375,016 km (0.052 R)
• M6: 3,090,991 km (0.043 R)
• M7: 3,547,564 km (0.075 R)
• M8: 4,219,258 km (0.105 R)
• M9: 4,643,219 km (0.066 R)
• M10: 5,603,188 km (0.096 R)
• M11: 6,313,479 km (0.038 R)
• M12: 7,554,244 km (0.115 R)
• M13: 8,630,451 km (0.093 R)
• M14: 9,427,658 km (0.032 R)
• M15: 11,168,827 km (0.055 R)
• M16: 11,678,657 km (0.112 R)
• M17: 12,293,205 km (0.036 R)
• M18: 15,173,862 km (0.09 R)
• M19: 16,936,424 km (0.104 R)
• M20: 17,327,173 km (0.073 R)
• M21: 18,535,625 km (0.078 R)
• M22: 18,950,759 km (0.042 R)
• M23: 19,922,846 km (0.071 R)
• M24: 21,442,910 km (0.074 R)
• M25: 22,297,712 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.1

Radius: 12.9

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.41 AU - 3.93 AU

Year: 3896 Days

Day: 8.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,138,561 km

• M1: 166,054 km (0.089 R)
• M2: 675,883 km (0.098 R)
• M3: 1,229,844 km (0.1 R)
• M4: 1,912,908 km (0.096 R)
• M5: 2,454,901 km (0.076 R)
• M6: 3,299,531 km (0.026 R)
• M7: 5,644,328 km (0.117 R)
• M8: 7,601,367 km (0.092 R)
• M9: 8,862,477 km (0.095 R)
• M10: 10,381,195 km (0.114 R)
• M11: 13,191,391 km (0.089 R)
• M12: 14,333,271 km (0.101 R)
• M13: 15,165,783 km (0.065 R)
• M14: 16,418,516 km (0.103 R)
• M15: 17,916,589 km (0.091 R)
• M16: 20,074,837 km (0.051 R)
• M17: 22,817,266 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.4

Radius: 8.4

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3 AU - 3.6 AU

Year: 4138 Days

Day: 14.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 80,138,561 km

• M1: 105,317 km (0.113 R)
• M2: 413,638 km (0.094 R)
• M3: 980,315 km (0.08 R)
• M4: 1,619,846 km (0.119 R)
• M5: 3,280,532 km (0.101 R)
• M6: 6,876,715 km (0.116 R)
• M7: 11,666,540 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.1

Radius: 10.2

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.87 AU - 3.77 AU

Year: 4176 Days

Day: 6.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,138,561 km

• M1: 127,009 km (0.098 R)
• M2: 562,039 km (0.114 R)
• M3: 911,799 km (0.11 R)
• M4: 1,487,152 km (0.045 R)
• M5: 1,909,617 km (0.052 R)
• M6: 2,425,131 km (0.103 R)
• M7: 2,829,045 km (0.071 R)
• M8: 3,590,798 km (0.103 R)
• M9: 6,406,678 km (0.091 R)
• M10: 9,401,628 km (0.111 R)
• M11: 10,220,527 km (0.089 R)
• M12: 10,704,027 km (0.062 R)
• M13: 11,124,995 km (0.118 R)
• M14: 13,442,266 km (0.069 R)
• M15: 13,797,711 km (0.106 R)
• M16: 14,434,848 km (0.09 R)
• M17: 14,996,588 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 750

Radius: 6.9

Gravity: 15.75 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 7.38 AU - 11.9 AU

Year: 20660 Days

Day: 21 Hours

Environment

Temp: -244 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 80,138,561 km

• M1: 85,869 km (0.088 R)
• M2: 479,162 km (0.112 R)
• M3: 707,149 km (0.031 R)
• M4: 1,248,693 km (0.079 R)
• M5: 1,644,081 km (0.065 R)
• M6: 1,998,029 km (0.104 R)
• M7: 3,373,133 km (0.042 R)
• M8: 4,173,631 km (0.046 R)
• M9: 7,092,734 km (0.096 R)
• M10: 8,828,818 km (0.066 R)
• M11: 9,106,022 km (0.071 R)
• M12: 10,334,520 km (0.095 R)
• M13: 12,344,367 km (0.117 R)
• M14: 14,678,094 km (0.099 R)
• M15: 16,194,867 km (0.088 R)
• M16: 21,169,744 km (0.098 R)
• M17: 21,767,238 km (0.089 R)
• M18: 23,310,490 km (0.101 R)
• M19: 23,734,001 km (0.12 R)
• M20: 24,815,295 km (0.081 R)
• M21: 32,525,120 km (0.098 R)
• M22: 33,053,949 km (0.114 R)
• M23: 36,918,062 km (0.104 R)
• M24: 39,255,977 km (0.065 R)
• M25: 41,381,015 km (0.044 R)
• M26: 42,471,733 km (0.073 R)
• M27: 44,224,272 km (0.074 R)
• M28: 48,043,506 km (0.04 R)
• M29: 51,359,941 km (0.119 R)
• M30: 56,330,480 km (0.082 R)
• M31: 57,476,998 km (0.05 R)
• M32: 58,444,298 km (0.054 R)
• M33: 63,649,556 km (0.032 R)
• M34: 71,800,396 km (0.032 R)
• M35: 72,922,080 km (0.104 R)
• M36: 79,420,313 km (0.119 R)
• M37: 80,138,532 km (0.075 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 412 - 13,503 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit