🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.9

Radius: 13.2

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.55 AU - 0.77 AU

Year: 358 Days

Day: 7 Hours

Environment

Temp: -159 °C

Axial Tilt: 84.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 44,126,374 km

• M1: 164,109 km (0.114 R)
• M2: 800,199 km (0.112 R)
• M3: 1,395,748 km (0.11 R)
• M4: 2,008,800 km (0.12 R)
• M5: 2,425,430 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.3

Radius: 12.8

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.68 AU - 0.8 AU

Year: 424 Days

Day: 11.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 120 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,126,374 km

• M1: 160,369 km (0.096 R)
• M2: 817,253 km (0.118 R)
• M3: 1,231,041 km (0.117 R)
• M4: 1,774,829 km (0.116 R)
• M5: 2,250,401 km (0.103 R)
• M6: 3,782,881 km (0.065 R)
• M7: 4,216,266 km (0.042 R)
• M8: 5,184,015 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.8

Radius: 9.5

Gravity: 8.37 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.82 AU - 0.9 AU

Year: 532 Days

Day: 6.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,126,374 km

• M1: 118,182 km (0.084 R)
• M2: 533,017 km (0.091 R)
• M3: 948,301 km (0.094 R)
• M4: 1,525,300 km (0.105 R)
• M5: 2,152,564 km (0.105 R)
• M6: 2,624,844 km (0.037 R)
• M7: 4,317,544 km (0.088 R)
• M8: 5,022,150 km (0.045 R)
• M9: 5,498,171 km (0.065 R)
• M10: 6,116,309 km (0.042 R)
• M11: 6,501,075 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.5

Radius: 14.6

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.75 AU - 4.43 AU

Year: 4536 Days

Day: 10.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,126,374 km

• M1: 181,612 km (0.043 R)
• M2: 718,519 km (0.061 R)
• M3: 1,240,017 km (0.094 R)
• M4: 2,064,451 km (0.077 R)
• M5: 2,910,277 km (0.088 R)
• M6: 3,476,505 km (0.043 R)
• M7: 3,932,180 km (0.113 R)
• M8: 4,886,166 km (0.064 R)
• M9: 6,081,004 km (0.041 R)
• M10: 6,649,476 km (0.063 R)
• M11: 7,184,587 km (0.059 R)
• M12: 10,001,216 km (0.068 R)
• M13: 12,361,870 km (0.096 R)
• M14: 14,623,940 km (0.111 R)
• M15: 19,681,694 km (0.115 R)
• M16: 22,157,689 km (0.044 R)
• M17: 22,901,639 km (0.047 R)
• M18: 27,892,523 km (0.039 R)

Asteroid Belt

Center: 4.21 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.6

Radius: 11.5

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 4.02 AU - 5.64 AU

Year: 7079 Days

Day: 5.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,126,374 km

• M1: 143,016 km (0.082 R)
• M2: 886,667 km (0.048 R)
• M3: 1,397,543 km (0.118 R)
• M4: 1,799,962 km (0.117 R)
• M5: 4,425,853 km (0.089 R)
• M6: 5,852,269 km (0.037 R)
• M7: 7,494,704 km (0.101 R)
• M8: 8,105,063 km (0.075 R)
• M9: 8,787,080 km (0.1 R)
• M10: 9,466,104 km (0.093 R)
• M11: 10,051,331 km (0.098 R)
• M12: 15,925,292 km (0.046 R)
• M13: 18,368,225 km (0.1 R)
• M14: 18,885,235 km (0.096 R)
• M15: 19,345,548 km (0.102 R)
• M16: 23,604,001 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.2

Radius: 12.4

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 5.29 AU - 5.65 AU

Year: 8531 Days

Day: 12.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 44,126,374 km

• M1: 158,873 km (0.078 R)
• M2: 713,881 km (0.055 R)
• M3: 1,189,303 km (0.115 R)
• M4: 1,631,514 km (0.066 R)
• M5: 2,051,436 km (0.102 R)
• M6: 2,758,884 km (0.088 R)
• M7: 4,807,178 km (0.09 R)
• M8: 5,819,208 km (0.106 R)
• M9: 6,268,899 km (0.087 R)
• M10: 7,044,713 km (0.045 R)
• M11: 8,654,536 km (0.086 R)
• M12: 9,381,432 km (0.115 R)
• M13: 11,537,736 km (0.093 R)
• M14: 12,531,814 km (0.105 R)
• M15: 14,753,791 km (0.119 R)
• M16: 22,220,221 km (0.037 R)
• M17: 24,108,146 km (0.118 R)
• M18: 24,641,163 km (0.095 R)
• M19: 25,638,681 km (0.109 R)
• M20: 28,397,416 km (0.101 R)
• M21: 28,992,067 km (0.097 R)
• M22: 29,493,819 km (0.097 R)
• M23: 30,721,868 km (0.118 R)
• M24: 32,735,455 km (0.074 R)
• M25: 35,746,411 km (0.117 R)
• M26: 39,548,291 km (0.068 R)
• M27: 40,165,682 km (0.117 R)
• M28: 43,743,016 km (0.051 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 643.2

Radius: 6

Gravity: 17.87 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 6.56 AU - 8.02 AU

Year: 13126 Days

Day: 24.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 44,126,374 km

• M1: 80,035 km (0.089 R)
• M2: 327,021 km (0.107 R)
• M3: 785,389 km (0.075 R)
• M4: 1,108,520 km (0.055 R)
• M5: 1,348,326 km (0.05 R)
• M6: 5,026,488 km (0.1 R)
• M7: 5,651,957 km (0.085 R)
• M8: 7,141,054 km (0.069 R)
• M9: 7,354,830 km (0.102 R)
• M10: 8,535,606 km (0.072 R)
• M11: 8,776,458 km (0.05 R)
• M12: 9,221,362 km (0.057 R)
• M13: 11,911,581 km (0.096 R)
• M14: 15,938,157 km (0.103 R)
• M15: 16,230,172 km (0.072 R)
• M16: 20,187,036 km (0.091 R)
• M17: 21,488,837 km (0.063 R)
• M18: 22,478,426 km (0.119 R)
• M19: 22,845,689 km (0.107 R)
• M20: 24,258,791 km (0.116 R)
• M21: 24,839,978 km (0.111 R)
• M22: 26,537,017 km (0.106 R)
• M23: 28,309,751 km (0.067 R)
• M24: 31,399,546 km (0.085 R)
• M25: 34,220,663 km (0.08 R)
• M26: 34,706,706 km (0.12 R)
• M27: 35,197,387 km (0.117 R)
• M28: 37,206,187 km (0.101 R)
• M29: 43,689,609 km (0.064 R)
• M30: 44,118,207 km (0.078 R)
• M31: 47,047,034 km (0.105 R)
• M32: 47,346,828 km (0.094 R)
• M33: 50,415,530 km (0.105 R)
• M34: 50,729,386 km (0.082 R)
• M35: 51,520,160 km (0.08 R)
• M36: 51,838,654 km (0.056 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 282.6

Radius: 7.2

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 7.36 AU - 7.68 AU

Year: 13752 Days

Day: 20 Hours

Environment

Temp: -224 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,126,374 km

• M1: 94,995 km (0.066 R)
• M2: 333,753 km (0.101 R)
• M3: 1,266,645 km (0.114 R)
• M4: 1,492,388 km (0.044 R)
• M5: 1,913,656 km (0.089 R)
• M6: 4,183,205 km (0.106 R)
• M7: 5,965,514 km (0.108 R)
• M8: 7,577,132 km (0.073 R)
• M9: 8,417,723 km (0.052 R)
• M10: 9,459,522 km (0.096 R)
• M11: 10,134,358 km (0.097 R)
• M12: 13,512,876 km (0.058 R)
• M13: 14,120,244 km (0.078 R)
• M14: 19,497,090 km (0.119 R)
• M15: 21,067,719 km (0.074 R)
• M16: 24,104,555 km (0.081 R)
• M17: 25,178,369 km (0.113 R)
• M18: 26,564,991 km (0.116 R)
• M19: 27,807,252 km (0.087 R)
• M20: 29,388,950 km (0.096 R)
• M21: 31,238,878 km (0.106 R)
• M22: 34,604,680 km (0.115 R)
• M23: 35,169,263 km (0.104 R)
• M24: 38,204,454 km (0.092 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 525 - 14,662 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit