🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.53 AU - 0.61 AU

Year: 282 Days

Day: 29.9 Hours

Environment

Temp: -120 °C

Axial Tilt: 36.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.58 AU - 0.6 AU

Year: 297 Days

Day: 28.9 Hours

Environment

Temp: -134 °C

Axial Tilt: 4.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.85 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.7

Radius: 8.2

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.92 AU - 1.3 AU

Year: 767 Days

Day: 11.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,940,999 km

• M1: 103,223 km (0.075 R)
• M2: 371,152 km (0.081 R)
• M3: 653,294 km (0.069 R)
• M4: 965,205 km (0.044 R)
• M5: 1,350,121 km (0.078 R)
• M6: 1,769,743 km (0.063 R)
• M7: 2,059,963 km (0.052 R)
• M8: 2,715,650 km (0.045 R)
• M9: 3,936,818 km (0.096 R)
• M10: 4,299,742 km (0.108 R)
• M11: 4,574,703 km (0.118 R)
• M12: 4,926,856 km (0.087 R)
• M13: 5,194,188 km (0.038 R)
• M14: 5,524,350 km (0.105 R)
• M15: 5,961,326 km (0.067 R)
• M16: 6,323,352 km (0.092 R)
• M17: 7,070,893 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.8

Radius: 10.8

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.18 AU - 3.24 AU

Year: 2927 Days

Day: 15 Hours

Environment

Temp: -193 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,940,999 km

• M1: 144,512 km (0.081 R)
• M2: 529,876 km (0.111 R)
• M3: 1,240,765 km (0.072 R)
• M4: 1,659,489 km (0.116 R)
• M5: 2,212,852 km (0.062 R)
• M6: 2,571,438 km (0.096 R)
• M7: 3,019,334 km (0.034 R)
• M8: 3,671,581 km (0.056 R)
• M9: 5,983,017 km (0.105 R)
• M10: 7,538,536 km (0.062 R)
• M11: 8,986,494 km (0.102 R)
• M12: 9,833,068 km (0.08 R)
• M13: 10,893,867 km (0.075 R)
• M14: 12,603,172 km (0.029 R)
• M15: 13,195,430 km (0.086 R)
• M16: 14,094,214 km (0.096 R)
• M17: 14,435,447 km (0.115 R)
• M18: 19,934,515 km (0.118 R)
• M19: 21,372,001 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.3

Radius: 13.5

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 3.17 AU - 3.97 AU

Year: 4425 Days

Day: 5.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,940,999 km

• M1: 167,849 km (0.118 R)
• M2: 750,233 km (0.093 R)
• M3: 1,313,021 km (0.09 R)
• M4: 1,809,685 km (0.078 R)
• M5: 2,464,775 km (0.12 R)
• M6: 3,004,972 km (0.102 R)
• M7: 6,127,379 km (0.095 R)
• M8: 7,974,614 km (0.12 R)
• M9: 9,288,382 km (0.046 R)
• M10: 10,696,846 km (0.099 R)
• M11: 12,341,675 km (0.12 R)
• M12: 13,510,782 km (0.045 R)
• M13: 15,834,486 km (0.049 R)
• M14: 18,028,937 km (0.089 R)
• M15: 18,869,079 km (0.09 R)
• M16: 20,767,176 km (0.056 R)
• M17: 21,618,538 km (0.114 R)
• M18: 23,466,670 km (0.082 R)
• M19: 24,390,287 km (0.091 R)
• M20: 26,064,886 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.1

Radius: 8.9

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.96 AU - 4.48 AU

Year: 4707 Days

Day: 8.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,940,999 km

• M1: 110,852 km (0.076 R)
• M2: 1,110,465 km (0.072 R)
• M3: 2,345,246 km (0.081 R)
• M4: 3,602,616 km (0.082 R)
• M5: 4,389,351 km (0.086 R)
• M6: 4,763,196 km (0.113 R)
• M7: 5,107,720 km (0.113 R)
• M8: 6,127,678 km (0.044 R)
• M9: 7,668,985 km (0.069 R)
• M10: 8,143,360 km (0.091 R)
• M11: 9,263,549 km (0.072 R)
• M12: 9,840,997 km (0.048 R)
• M13: 10,606,788 km (0.097 R)
• M14: 11,153,269 km (0.115 R)
• M15: 12,858,535 km (0.072 R)
• M16: 13,577,204 km (0.092 R)
• M17: 14,021,060 km (0.11 R)
• M18: 16,387,549 km (0.099 R)
• M19: 17,232,179 km (0.065 R)
• M20: 19,501,578 km (0.099 R)
• M21: 22,438,334 km (0.073 R)
• M22: 23,059,016 km (0.054 R)
• M23: 23,408,925 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.1

Radius: 8.9

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.89 AU - 4.31 AU

Year: 5446 Days

Day: 13 Hours

Environment

Temp: -211 °C

Axial Tilt: 91.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,940,999 km

• M1: 111,002 km (0.035 R)
• M2: 390,151 km (0.06 R)
• M3: 1,018,163 km (0.1 R)
• M4: 1,331,421 km (0.098 R)
• M5: 2,978,942 km (0.111 R)
• M6: 4,182,457 km (0.106 R)
• M7: 4,920,424 km (0.084 R)
• M8: 5,420,380 km (0.102 R)
• M9: 7,300,226 km (0.073 R)
• M10: 8,214,718 km (0.068 R)
• M11: 9,203,560 km (0.083 R)
• M12: 11,368,840 km (0.041 R)
• M13: 13,477,721 km (0.084 R)
• M14: 16,434,373 km (0.079 R)
• M15: 19,050,840 km (0.105 R)
• M16: 25,662,019 km (0.035 R)
• M17: 27,078,262 km (0.108 R)
• M18: 30,156,537 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 838.5

Radius: 3.7

Gravity: 61.25 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 5.98 AU - 7.84 AU

Year: 11916 Days

Day: 21.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,940,999 km

• M1: 46,375 km (0.116 R)
• M2: 281,842 km (0.089 R)
• M3: 1,524,402 km (0.031 R)
• M4: 1,647,970 km (0.071 R)
• M5: 2,115,463 km (0.094 R)
• M6: 2,349,435 km (0.088 R)
• M7: 9,419,131 km (0.05 R)
• M8: 12,546,624 km (0.075 R)
• M9: 17,599,142 km (0.112 R)
• M10: 19,882,455 km (0.063 R)
• M11: 21,006,533 km (0.074 R)
• M12: 29,089,456 km (0.11 R)
• M13: 33,933,584 km (0.119 R)
• M14: 38,359,437 km (0.061 R)
• M15: 40,232,403 km (0.068 R)
• M16: 43,297,364 km (0.113 R)
• M17: 46,965,055 km (0.099 R)
• M18: 49,417,861 km (0.105 R)
• M19: 52,116,009 km (0.071 R)
• M20: 53,913,277 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 245.5

Radius: 5.4

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 8.25 AU - 11.23 AU

Year: 19941 Days

Day: 20.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,940,999 km

• M1: 67,169 km (0.104 R)
• M2: 245,341 km (0.094 R)
• M3: 971,040 km (0.075 R)
• M4: 1,422,227 km (0.101 R)
• M5: 1,595,760 km (0.1 R)
• M6: 1,767,050 km (0.096 R)
• M7: 2,730,161 km (0.115 R)
• M8: 3,023,373 km (0.066 R)
• M9: 3,387,345 km (0.102 R)
• M10: 4,719,214 km (0.092 R)
• M11: 5,518,965 km (0.045 R)
• M12: 6,137,552 km (0.1 R)
• M13: 6,761,076 km (0.048 R)
• M14: 7,088,246 km (0.086 R)
• M15: 8,692,534 km (0.06 R)
• M16: 9,579,051 km (0.109 R)
• M17: 9,887,522 km (0.098 R)
• M18: 11,301,371 km (0.066 R)
• M19: 12,416,174 km (0.066 R)
• M20: 13,926,664 km (0.039 R)
• M21: 15,068,096 km (0.115 R)
• M22: 19,594,628 km (0.098 R)
• M23: 27,136,605 km (0.066 R)
• M24: 28,697,958 km (0.062 R)
• M25: 33,269,370 km (0.119 R)
• M26: 33,976,519 km (0.103 R)
• M27: 37,918,722 km (0.037 R)
• M28: 46,990,337 km (0.066 R)
• M29: 48,479,883 km (0.079 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 442 - 12,734 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit