🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.47 AU - 0.61 AU

Year: 260 Days

Day: 20.8 Hours

Environment

Temp: -118 °C

Axial Tilt: 35.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,931,825 km

• M1: 335,847 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.5

Radius: 9.7

Gravity: 10.23 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.84 AU - 1.18 AU

Year: 666 Days

Day: 6.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,931,825 km

• M1: 120,875 km (0.056 R)
• M2: 540,198 km (0.117 R)
• M3: 1,023,848 km (0.041 R)
• M4: 1,452,745 km (0.063 R)
• M5: 1,783,057 km (0.098 R)
• M6: 2,565,155 km (0.081 R)
• M7: 2,868,090 km (0.108 R)
• M8: 3,776,000 km (0.094 R)
• M9: 4,123,217 km (0.118 R)
• M10: 4,608,213 km (0.077 R)
• M11: 5,130,758 km (0.118 R)
• M12: 5,948,460 km (0.081 R)
• M13: 6,676,104 km (0.025 R)
• M14: 7,323,115 km (0.091 R)
• M15: 8,208,435 km (0.092 R)
• M16: 8,819,991 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.9

Radius: 14.3

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.27 AU - 1.61 AU

Year: 1134 Days

Day: 6.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,931,825 km

• M1: 177,872 km (0.082 R)
• M2: 633,397 km (0.116 R)
• M3: 1,195,287 km (0.115 R)
• M4: 1,918,892 km (0.084 R)
• M5: 2,405,833 km (0.115 R)
• M6: 2,944,236 km (0.11 R)
• M7: 3,527,368 km (0.088 R)
• M8: 4,133,389 km (0.068 R)
• M9: 5,298,906 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.8

Radius: 11.4

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.82 AU - 1.82 AU

Year: 1611 Days

Day: 10.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,931,825 km

• M1: 143,165 km (0.108 R)
• M2: 743,801 km (0.1 R)
• M3: 1,217,577 km (0.065 R)
• M4: 1,769,892 km (0.094 R)
• M5: 2,554,982 km (0.069 R)
• M6: 3,254,202 km (0.119 R)
• M7: 4,193,378 km (0.115 R)
• M8: 5,403,625 km (0.119 R)
• M9: 5,918,391 km (0.047 R)
• M10: 6,951,514 km (0.07 R)
• M11: 7,611,540 km (0.097 R)
• M12: 9,636,496 km (0.067 R)
• M13: 10,709,861 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411

Radius: 14.3

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.61 AU - 2.45 AU

Year: 1897 Days

Day: 12.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,931,825 km

• M1: 177,872 km (0.109 R)
• M2: 813,064 km (0.105 R)
• M3: 1,562,849 km (0.114 R)
• M4: 2,183,531 km (0.095 R)
• M5: 4,210,582 km (0.073 R)
• M6: 4,892,000 km (0.119 R)
• M7: 5,343,935 km (0.037 R)
• M8: 6,051,533 km (0.058 R)
• M9: 6,820,915 km (0.049 R)
• M10: 7,360,664 km (0.049 R)
• M11: 8,323,925 km (0.092 R)
• M12: 9,973,092 km (0.071 R)
• M13: 11,867,449 km (0.092 R)
• M14: 12,461,054 km (0.1 R)
• M15: 13,074,405 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.3

Radius: 11.6

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.34 AU - 2.74 AU

Year: 2656 Days

Day: 13.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,931,825 km

• M1: 144,212 km (0.098 R)
• M2: 544,985 km (0.093 R)
• M3: 946,655 km (0.088 R)
• M4: 1,478,177 km (0.092 R)
• M5: 2,253,991 km (0.096 R)
• M6: 2,996,745 km (0.077 R)
• M7: 3,572,248 km (0.117 R)
• M8: 4,046,622 km (0.05 R)
• M9: 5,349,769 km (0.115 R)
• M10: 5,972,845 km (0.09 R)
• M11: 6,617,163 km (0.07 R)
• M12: 6,997,740 km (0.08 R)
• M13: 7,567,109 km (0.045 R)
• M14: 8,928,599 km (0.111 R)
• M15: 9,564,540 km (0.074 R)
• M16: 10,338,410 km (0.026 R)
• M17: 10,889,678 km (0.058 R)
• M18: 11,344,755 km (0.1 R)
• M19: 12,538,097 km (0.097 R)
• M20: 13,813,419 km (0.082 R)
• M21: 15,789,606 km (0.108 R)
• M22: 16,620,623 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 762.8

Radius: 6.6

Gravity: 17.51 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 6.13 AU - 8.57 AU

Year: 13072 Days

Day: 19.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 64,931,825 km

• M1: 89,011 km (0.097 R)
• M2: 631,453 km (0.118 R)
• M3: 1,329,177 km (0.119 R)
• M4: 1,636,002 km (0.092 R)
• M5: 2,413,462 km (0.057 R)
• M6: 2,849,540 km (0.094 R)
• M7: 3,793,503 km (0.072 R)
• M8: 4,667,603 km (0.097 R)
• M9: 5,780,611 km (0.1 R)
• M10: 6,240,326 km (0.09 R)
• M11: 7,017,786 km (0.073 R)
• M12: 7,541,079 km (0.093 R)
• M13: 7,766,673 km (0.107 R)
• M14: 8,326,468 km (0.097 R)
• M15: 10,837,169 km (0.095 R)
• M16: 12,513,712 km (0.068 R)
• M17: 13,678,332 km (0.087 R)
• M18: 15,850,942 km (0.117 R)
• M19: 17,604,229 km (0.065 R)
• M20: 18,815,074 km (0.082 R)
• M21: 20,340,074 km (0.047 R)
• M22: 21,763,349 km (0.109 R)
• M23: 24,906,101 km (0.074 R)
• M24: 26,120,087 km (0.093 R)
• M25: 27,161,438 km (0.101 R)
• M26: 28,556,289 km (0.064 R)
• M27: 28,884,806 km (0.113 R)
• M28: 29,215,866 km (0.106 R)
• M29: 33,267,574 km (0.12 R)
• M30: 33,875,391 km (0.065 R)
• M31: 34,490,537 km (0.075 R)
• M32: 43,467,157 km (0.085 R)
• M33: 45,223,885 km (0.11 R)
• M34: 54,890,002 km (0.111 R)
• M35: 56,423,380 km (0.07 R)
• M36: 58,688,441 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 821.1

Radius: 6.8

Gravity: 17.76 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 6.86 AU - 8.82 AU

Year: 14401 Days

Day: 23.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 64,931,825 km

• M1: 84,523 km (0.099 R)
• M2: 330,761 km (0.089 R)
• M3: 711,188 km (0.083 R)
• M4: 969,843 km (0.119 R)
• M5: 1,403,976 km (0.103 R)
• M6: 1,766,302 km (0.062 R)
• M7: 2,092,126 km (0.059 R)
• M8: 3,160,853 km (0.056 R)
• M9: 4,203,700 km (0.071 R)
• M10: 4,889,008 km (0.045 R)
• M11: 6,355,516 km (0.106 R)
• M12: 6,990,559 km (0.081 R)
• M13: 7,807,513 km (0.065 R)
• M14: 8,239,252 km (0.066 R)
• M15: 9,684,218 km (0.109 R)
• M16: 10,182,678 km (0.089 R)
• M17: 10,814,729 km (0.108 R)
• M18: 11,718,600 km (0.086 R)
• M19: 13,402,772 km (0.079 R)
• M20: 13,813,269 km (0.093 R)
• M21: 16,532,210 km (0.058 R)
• M22: 19,500,980 km (0.09 R)
• M23: 27,115,063 km (0.12 R)
• M24: 28,776,347 km (0.113 R)
• M25: 30,386,918 km (0.055 R)
• M26: 33,661,316 km (0.078 R)
• M27: 36,895,921 km (0.106 R)
• M28: 38,657,287 km (0.12 R)
• M29: 40,332,035 km (0.082 R)
• M30: 44,578,221 km (0.109 R)
• M31: 44,881,456 km (0.1 R)
• M32: 52,751,351 km (0.117 R)
• M33: 54,117,778 km (0.093 R)
• M34: 59,086,073 km (0.093 R)
• M35: 59,452,139 km (0.072 R)
• M36: 60,188,908 km (0.069 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 15,245 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit