🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.4 AU - 0.66 AU

Year: 253 Days

Day: 35.9 Hours

Environment

Temp: -120 °C

Axial Tilt: 38.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 52,731,027 km

• M1: 20,345 km (0.102 R)
• M2: 156,180 km (0.081 R)

Asteroid Belt

Center: 0.86 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.6

Radius: 9.1

Gravity: 10.21 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.98 AU - 1.38 AU

Year: 841 Days

Day: 12.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,731,027 km

• M1: 113,096 km (0.116 R)
• M2: 409,449 km (0.103 R)
• M3: 795,412 km (0.063 R)
• M4: 1,100,442 km (0.055 R)
• M5: 1,430,305 km (0.066 R)
• M6: 2,137,305 km (0.1 R)
• M7: 2,483,624 km (0.119 R)
• M8: 3,153,822 km (0.075 R)
• M9: 3,694,170 km (0.093 R)
• M10: 4,050,512 km (0.067 R)
• M11: 4,760,653 km (0.025 R)
• M12: 5,164,567 km (0.117 R)
• M13: 5,571,473 km (0.034 R)
• M14: 5,895,652 km (0.031 R)
• M15: 6,967,670 km (0.102 R)
• M16: 7,660,608 km (0.041 R)
• M17: 8,268,125 km (0.066 R)
• M18: 9,723,562 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.9

Radius: 13.8

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.3 AU - 1.76 AU

Year: 1241 Days

Day: 9 Hours

Environment

Temp: -187 °C

Axial Tilt: 156.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,731,027 km

• M1: 171,738 km (0.062 R)
• M2: 787,334 km (0.095 R)
• M3: 1,524,253 km (0.094 R)
• M4: 2,863,303 km (0.077 R)
• M5: 3,509,716 km (0.117 R)
• M6: 5,720,922 km (0.087 R)
• M7: 6,465,470 km (0.037 R)
• M8: 6,972,308 km (0.042 R)
• M9: 10,725,569 km (0.113 R)
• M10: 12,327,014 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.4

Radius: 9.1

Gravity: 9.96 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.43 AU - 3.05 AU

Year: 2975 Days

Day: 10.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,731,027 km

• M1: 113,096 km (0.107 R)
• M2: 563,236 km (0.114 R)
• M3: 933,192 km (0.088 R)
• M4: 2,692,612 km (0.059 R)
• M5: 3,094,881 km (0.026 R)
• M6: 5,793,776 km (0.09 R)
• M7: 6,732,353 km (0.052 R)
• M8: 12,084,666 km (0.116 R)
• M9: 13,803,545 km (0.105 R)
• M10: 14,899,649 km (0.06 R)
• M11: 19,621,257 km (0.084 R)
• M12: 20,431,479 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.9

Radius: 11.4

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 3.29 AU - 3.51 AU

Year: 4113 Days

Day: 9.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,731,027 km

• M1: 141,819 km (0.105 R)
• M2: 688,449 km (0.103 R)
• M3: 1,775,727 km (0.085 R)
• M4: 2,240,677 km (0.083 R)
• M5: 3,780,039 km (0.058 R)
• M6: 4,883,323 km (0.1 R)
• M7: 7,038,430 km (0.034 R)
• M8: 10,383,139 km (0.081 R)
• M9: 11,262,775 km (0.071 R)
• M10: 12,232,767 km (0.11 R)
• M11: 14,292,581 km (0.073 R)
• M12: 17,245,792 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.7

Radius: 14.1

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.63 AU - 4.55 AU

Year: 5426 Days

Day: 12.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,731,027 km

• M1: 175,329 km (0.081 R)
• M2: 835,055 km (0.102 R)
• M3: 1,644,679 km (0.077 R)
• M4: 2,286,753 km (0.077 R)
• M5: 3,496,102 km (0.042 R)
• M6: 4,876,442 km (0.101 R)
• M7: 6,216,240 km (0.061 R)
• M8: 6,865,046 km (0.081 R)
• M9: 7,429,329 km (0.104 R)
• M10: 8,544,282 km (0.071 R)
• M11: 9,884,979 km (0.069 R)
• M12: 11,577,828 km (0.107 R)
• M13: 12,840,434 km (0.111 R)
• M14: 14,043,500 km (0.084 R)
• M15: 14,494,538 km (0.094 R)
• M16: 15,373,126 km (0.101 R)
• M17: 17,987,498 km (0.096 R)
• M18: 23,657,258 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 198.6

Radius: 3.6

Gravity: 15.32 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 6.51 AU - 7.17 AU

Year: 11735 Days

Day: 19.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 52,731,027 km

• M1: 44,730 km (0.074 R)
• M2: 253,868 km (0.12 R)
• M3: 575,952 km (0.059 R)
• M4: 878,140 km (0.112 R)
• M5: 1,430,305 km (0.097 R)
• M6: 1,888,823 km (0.062 R)
• M7: 2,510,103 km (0.115 R)
• M8: 5,352,462 km (0.034 R)
• M9: 5,626,526 km (0.113 R)
• M10: 6,136,505 km (0.087 R)
• M11: 6,301,960 km (0.06 R)
• M12: 8,324,822 km (0.071 R)
• M13: 9,770,387 km (0.065 R)
• M14: 10,838,067 km (0.064 R)
• M15: 12,239,948 km (0.069 R)
• M16: 14,620,948 km (0.084 R)
• M17: 16,326,962 km (0.104 R)
• M18: 17,557,404 km (0.114 R)
• M19: 18,365,532 km (0.084 R)
• M20: 21,846,675 km (0.115 R)
• M21: 22,859,901 km (0.072 R)
• M22: 23,098,061 km (0.116 R)
• M23: 26,872,714 km (0.09 R)
• M24: 28,951,676 km (0.064 R)
• M25: 29,793,613 km (0.071 R)
• M26: 31,232,744 km (0.088 R)
• M27: 32,416,961 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 592.1

Radius: 3.1

Gravity: 61.61 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 6.57 AU - 7.63 AU

Year: 12411 Days

Day: 19 Hours

Environment

Temp: -224 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 52,731,027 km

• M1: 39,793 km (0.104 R)
• M2: 212,878 km (0.051 R)
• M3: 842,236 km (0.104 R)
• M4: 2,055,176 km (0.084 R)
• M5: 2,183,531 km (0.03 R)
• M6: 2,356,316 km (0.088 R)
• M7: 2,664,488 km (0.089 R)
• M8: 2,998,989 km (0.054 R)
• M9: 3,335,584 km (0.086 R)
• M10: 3,914,677 km (0.086 R)
• M11: 4,140,869 km (0.049 R)
• M12: 4,466,244 km (0.069 R)
• M13: 5,757,274 km (0.098 R)
• M14: 5,902,384 km (0.079 R)
• M15: 6,664,735 km (0.09 R)
• M16: 9,193,388 km (0.083 R)
• M17: 9,592,814 km (0.116 R)
• M18: 10,003,759 km (0.118 R)
• M19: 11,363,305 km (0.092 R)
• M20: 12,057,588 km (0.101 R)
• M21: 12,596,590 km (0.094 R)
• M22: 13,916,492 km (0.102 R)
• M23: 14,710,557 km (0.028 R)
• M24: 15,187,475 km (0.094 R)
• M25: 16,974,870 km (0.119 R)
• M26: 18,034,771 km (0.099 R)
• M27: 18,659,791 km (0.1 R)
• M28: 18,897,801 km (0.039 R)
• M29: 19,624,099 km (0.063 R)
• M30: 21,132,195 km (0.081 R)
• M31: 22,536,022 km (0.106 R)
• M32: 27,118,354 km (0.102 R)
• M33: 27,731,556 km (0.109 R)
• M34: 29,841,933 km (0.095 R)
• M35: 29,950,092 km (0.116 R)
• M36: 32,742,187 km (0.066 R)
• M37: 33,437,069 km (0.056 R)
• M38: 33,788,325 km (0.112 R)
• M39: 35,338,458 km (0.096 R)
• M40: 37,941,461 km (0.115 R)
• M41: 43,525,351 km (0.041 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 478 - 13,350 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit