🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.3

Radius: 9.5

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.8 AU - 0.84 AU

Year: 479 Days

Day: 5.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,887,522 km

• M1: 118,182 km (0.107 R)
• M2: 470,635 km (0.105 R)
• M3: 823,387 km (0.089 R)
• M4: 1,457,831 km (0.097 R)
• M5: 1,809,985 km (0.074 R)
• M6: 2,123,991 km (0.099 R)
• M7: 2,948,574 km (0.067 R)
• M8: 3,678,163 km (0.089 R)
• M9: 3,999,200 km (0.029 R)
• M10: 4,610,307 km (0.036 R)
• M11: 5,061,644 km (0.094 R)
• M12: 5,625,329 km (0.029 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.8

Radius: 12

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 3.22 AU - 3.44 AU

Year: 3924 Days

Day: 14 Hours

Environment

Temp: -199 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,887,522 km

• M1: 149,598 km (0.062 R)
• M2: 544,387 km (0.108 R)
• M3: 1,661,733 km (0.096 R)
• M4: 2,242,622 km (0.105 R)
• M5: 2,708,021 km (0.118 R)
• M6: 3,219,496 km (0.116 R)
• M7: 4,621,826 km (0.108 R)
• M8: 5,078,399 km (0.11 R)
• M9: 5,591,370 km (0.095 R)
• M10: 7,567,259 km (0.096 R)
• M11: 8,272,762 km (0.077 R)
• M12: 9,169,302 km (0.06 R)
• M13: 10,861,404 km (0.104 R)
• M14: 11,283,120 km (0.094 R)
• M15: 11,980,695 km (0.11 R)
• M16: 17,349,463 km (0.102 R)
• M17: 19,302,613 km (0.092 R)
• M18: 23,292,239 km (0.082 R)

Asteroid Belt

Center: 4.25 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.4

Radius: 14.8

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 4.4 AU - 5.94 AU

Year: 7590 Days

Day: 13 Hours

Environment

Temp: -212 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,887,522 km

• M1: 184,155 km (0.033 R)
• M2: 749,336 km (0.037 R)
• M3: 2,156,154 km (0.107 R)
• M4: 3,879,522 km (0.098 R)
• M5: 4,605,670 km (0.117 R)
• M6: 5,937,988 km (0.082 R)
• M7: 6,807,451 km (0.067 R)
• M8: 7,584,014 km (0.038 R)
• M9: 8,723,351 km (0.12 R)
• M10: 9,723,114 km (0.076 R)
• M11: 10,402,288 km (0.027 R)
• M12: 11,341,463 km (0.026 R)
• M13: 12,930,791 km (0.102 R)
• M14: 15,615,774 km (0.111 R)
• M15: 17,766,094 km (0.081 R)
• M16: 20,039,832 km (0.092 R)
• M17: 24,533,752 km (0.119 R)
• M18: 29,047,718 km (0.025 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.4

Radius: 8

Gravity: 10.88 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 4.3 AU - 6.3 AU

Year: 7878 Days

Day: 12.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,887,522 km

• M1: 123,867 km (0.049 R)
• M2: 376,388 km (0.034 R)
• M3: 837,150 km (0.115 R)
• M4: 1,369,269 km (0.118 R)
• M5: 2,176,948 km (0.04 R)
• M6: 2,783,867 km (0.112 R)
• M7: 4,117,681 km (0.035 R)
• M8: 5,318,952 km (0.083 R)
• M9: 9,002,650 km (0.115 R)
• M10: 12,490,076 km (0.115 R)
• M11: 13,455,880 km (0.09 R)
• M12: 14,227,356 km (0.097 R)
• M13: 14,531,788 km (0.117 R)
• M14: 19,264,466 km (0.059 R)
• M15: 23,550,295 km (0.12 R)
• M16: 24,235,005 km (0.103 R)
• M17: 34,820,849 km (0.037 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 524.6

Radius: 4.9

Gravity: 21.85 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 5.99 AU - 7.11 AU

Year: 10824 Days

Day: 21.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,887,522 km

• M1: 60,886 km (0.103 R)
• M2: 304,132 km (0.115 R)
• M3: 476,469 km (0.116 R)
• M4: 799,750 km (0.107 R)
• M5: 1,234,182 km (0.116 R)
• M6: 1,463,217 km (0.106 R)
• M7: 2,757,837 km (0.106 R)
• M8: 3,384,801 km (0.099 R)
• M9: 3,605,159 km (0.114 R)
• M10: 4,020,742 km (0.054 R)
• M11: 4,854,451 km (0.094 R)
• M12: 5,459,574 km (0.109 R)
• M13: 6,113,616 km (0.11 R)
• M14: 6,294,181 km (0.049 R)
• M15: 6,515,436 km (0.104 R)
• M16: 10,748,158 km (0.057 R)
• M17: 11,441,395 km (0.06 R)
• M18: 11,826,908 km (0.066 R)
• M19: 12,107,404 km (0.067 R)
• M20: 17,582,537 km (0.061 R)
• M21: 17,948,005 km (0.086 R)
• M22: 19,538,828 km (0.096 R)
• M23: 22,997,830 km (0.111 R)
• M24: 30,254,673 km (0.044 R)
• M25: 31,739,432 km (0.08 R)
• M26: 32,172,368 km (0.119 R)
• M27: 34,396,440 km (0.076 R)
• M28: 42,853,806 km (0.086 R)
• M29: 44,859,465 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 763.7

Radius: 5.8

Gravity: 22.7 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 6.95 AU - 7.57 AU

Year: 12630 Days

Day: 21.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 54,887,522 km

• M1: 72,106 km (0.079 R)
• M2: 529,277 km (0.112 R)
• M3: 824,883 km (0.092 R)
• M4: 1,151,604 km (0.095 R)
• M5: 1,414,897 km (0.084 R)
• M6: 1,669,811 km (0.077 R)
• M7: 2,008,651 km (0.097 R)
• M8: 2,667,180 km (0.107 R)
• M9: 3,010,208 km (0.117 R)
• M10: 3,204,835 km (0.07 R)
• M11: 3,674,124 km (0.088 R)
• M12: 4,158,222 km (0.087 R)
• M13: 4,369,455 km (0.084 R)
• M14: 4,683,760 km (0.081 R)
• M15: 5,717,930 km (0.052 R)
• M16: 7,022,274 km (0.057 R)
• M17: 14,030,036 km (0.111 R)
• M18: 14,301,108 km (0.115 R)
• M19: 17,439,372 km (0.042 R)
• M20: 21,721,611 km (0.078 R)
• M21: 22,175,790 km (0.07 R)
• M22: 25,735,621 km (0.095 R)
• M23: 28,669,983 km (0.076 R)
• M24: 29,769,677 km (0.054 R)
• M25: 31,241,122 km (0.11 R)
• M26: 31,819,766 km (0.104 R)
• M27: 32,879,218 km (0.111 R)
• M28: 33,840,534 km (0.107 R)
• M29: 34,944,267 km (0.111 R)
• M30: 35,945,376 km (0.11 R)
• M31: 37,094,138 km (0.065 R)
• M32: 41,655,527 km (0.06 R)
• M33: 42,780,653 km (0.115 R)
• M34: 48,402,541 km (0.069 R)
• M35: 52,683,284 km (0.081 R)
• M36: 57,382,003 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 308.7

Radius: 5.3

Gravity: 10.99 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 8.1 AU - 10.46 AU

Year: 18253 Days

Day: 23.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,887,522 km

• M1: 66,272 km (0.036 R)
• M2: 401,820 km (0.118 R)
• M3: 633,846 km (0.074 R)
• M4: 974,929 km (0.093 R)
• M5: 1,361,939 km (0.026 R)
• M6: 2,376,362 km (0.033 R)
• M7: 2,560,218 km (0.075 R)
• M8: 3,680,856 km (0.085 R)
• M9: 5,941,279 km (0.107 R)
• M10: 6,204,871 km (0.084 R)
• M11: 6,795,932 km (0.037 R)
• M12: 7,467,178 km (0.045 R)
• M13: 8,227,584 km (0.096 R)
• M14: 9,186,805 km (0.114 R)
• M15: 11,268,011 km (0.117 R)
• M16: 12,326,715 km (0.088 R)
• M17: 14,640,096 km (0.088 R)
• M18: 17,532,721 km (0.092 R)
• M19: 20,957,166 km (0.089 R)
• M20: 21,568,273 km (0.06 R)
• M21: 22,734,239 km (0.106 R)
• M22: 27,404,236 km (0.11 R)
• M23: 29,092,597 km (0.108 R)
• M24: 33,852,203 km (0.116 R)
• M25: 36,792,100 km (0.116 R)
• M26: 37,171,181 km (0.114 R)
• M27: 40,297,926 km (0.092 R)
• M28: 49,945,493 km (0.048 R)
• M29: 53,098,268 km (0.102 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 194 - 18,770 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit