🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.6

Radius: 13

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.91 AU - 0.97 AU

Year: 608 Days

Day: 12.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 68.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,795,814 km

• M1: 162,314 km (0.116 R)
• M2: 587,770 km (0.073 R)
• M3: 1,283,251 km (0.047 R)
• M4: 1,772,136 km (0.115 R)
• M5: 2,448,169 km (0.103 R)
• M6: 3,723,790 km (0.096 R)
• M7: 4,133,838 km (0.103 R)
• M8: 5,133,750 km (0.079 R)
• M9: 5,872,764 km (0.09 R)
• M10: 6,349,682 km (0.086 R)
• M11: 6,873,723 km (0.092 R)
• M12: 7,725,832 km (0.029 R)
• M13: 8,324,074 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.3

Radius: 11.5

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.46 AU - 1.54 AU

Year: 1225 Days

Day: 7.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,795,814 km

• M1: 146,307 km (0.106 R)
• M2: 666,010 km (0.092 R)
• M3: 1,147,565 km (0.081 R)
• M4: 1,815,969 km (0.052 R)
• M5: 2,254,889 km (0.074 R)
• M6: 3,180,301 km (0.1 R)
• M7: 4,669,698 km (0.048 R)
• M8: 5,372,957 km (0.111 R)
• M9: 6,516,932 km (0.045 R)
• M10: 6,881,203 km (0.07 R)
• M11: 8,502,545 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450

Radius: 10.9

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.78 AU - 1.9 AU

Year: 1664 Days

Day: 11.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,795,814 km

• M1: 135,685 km (0.101 R)
• M2: 529,128 km (0.079 R)
• M3: 951,891 km (0.118 R)
• M4: 1,602,941 km (0.114 R)
• M5: 2,314,129 km (0.053 R)
• M6: 2,671,220 km (0.064 R)
• M7: 3,195,261 km (0.065 R)
• M8: 3,819,982 km (0.095 R)
• M9: 4,250,674 km (0.076 R)
• M10: 4,888,559 km (0.11 R)
• M11: 5,292,773 km (0.1 R)
• M12: 5,741,417 km (0.099 R)
• M13: 6,813,136 km (0.083 R)
• M14: 7,449,076 km (0.089 R)
• M15: 7,876,627 km (0.078 R)
• M16: 8,292,210 km (0.089 R)
• M17: 11,910,534 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.7

Radius: 14.8

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.69 AU - 2.77 AU

Year: 3008 Days

Day: 13.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,795,814 km

• M1: 184,005 km (0.082 R)
• M2: 751,729 km (0.104 R)
• M3: 1,352,814 km (0.064 R)
• M4: 1,992,943 km (0.117 R)
• M5: 2,862,406 km (0.088 R)
• M6: 4,031,214 km (0.026 R)
• M7: 4,555,255 km (0.078 R)
• M8: 5,239,665 km (0.059 R)
• M9: 5,941,279 km (0.089 R)
• M10: 7,865,258 km (0.042 R)
• M11: 9,155,539 km (0.113 R)
• M12: 10,176,246 km (0.089 R)
• M13: 11,000,081 km (0.093 R)
• M14: 12,611,998 km (0.04 R)
• M15: 14,147,471 km (0.103 R)
• M16: 15,608,593 km (0.105 R)
• M17: 17,906,117 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.6

Radius: 11

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.33 AU - 3.31 AU

Year: 3158 Days

Day: 9.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,795,814 km

• M1: 136,732 km (0.073 R)
• M2: 484,099 km (0.106 R)
• M3: 828,473 km (0.095 R)
• M4: 1,543,850 km (0.061 R)
• M5: 2,602,704 km (0.082 R)
• M6: 3,715,712 km (0.105 R)
• M7: 4,267,578 km (0.114 R)
• M8: 4,873,450 km (0.118 R)
• M9: 5,482,912 km (0.105 R)
• M10: 6,228,507 km (0.109 R)
• M11: 6,610,880 km (0.077 R)
• M12: 7,103,206 km (0.103 R)
• M13: 7,455,659 km (0.052 R)
• M14: 8,764,790 km (0.028 R)
• M15: 9,784,000 km (0.051 R)
• M16: 10,796,478 km (0.046 R)
• M17: 12,192,825 km (0.08 R)
• M18: 13,903,776 km (0.085 R)
• M19: 16,095,684 km (0.054 R)
• M20: 18,031,480 km (0.074 R)
• M21: 20,761,043 km (0.056 R)
• M22: 23,471,457 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 664.3

Radius: 5.3

Gravity: 23.65 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 5.46 AU - 8.08 AU

Year: 11747 Days

Day: 15.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 74,795,814 km

• M1: 65,973 km (0.065 R)
• M2: 266,135 km (0.104 R)
• M3: 520,451 km (0.08 R)
• M4: 1,476,082 km (0.065 R)
• M5: 2,270,148 km (0.086 R)
• M6: 2,892,624 km (0.085 R)
• M7: 3,648,842 km (0.079 R)
• M8: 4,438,270 km (0.081 R)
• M9: 4,621,228 km (0.106 R)
• M10: 5,100,988 km (0.077 R)
• M11: 5,268,089 km (0.029 R)
• M12: 5,827,435 km (0.069 R)
• M13: 7,188,028 km (0.096 R)
• M14: 10,573,278 km (0.074 R)
• M15: 13,007,236 km (0.097 R)
• M16: 14,620,499 km (0.053 R)
• M17: 20,169,383 km (0.109 R)
• M18: 21,791,772 km (0.065 R)
• M19: 24,717,308 km (0.111 R)
• M20: 26,572,771 km (0.03 R)
• M21: 28,624,057 km (0.074 R)
• M22: 30,230,139 km (0.107 R)
• M23: 31,110,822 km (0.066 R)
• M24: 40,346,546 km (0.065 R)
• M25: 43,049,031 km (0.109 R)
• M26: 43,743,016 km (0.088 R)
• M27: 51,720,023 km (0.061 R)
• M28: 52,820,166 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 939.7

Radius: 6.7

Gravity: 20.93 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 7.74 AU - 9.34 AU

Year: 16642 Days

Day: 23.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 74,795,814 km

• M1: 83,326 km (0.109 R)
• M2: 395,088 km (0.102 R)
• M3: 825,780 km (0.1 R)
• M4: 1,688,511 km (0.047 R)
• M5: 2,060,411 km (0.118 R)
• M6: 3,098,172 km (0.103 R)
• M7: 5,083,336 km (0.119 R)
• M8: 6,578,716 km (0.029 R)
• M9: 9,145,067 km (0.07 R)
• M10: 11,269,357 km (0.095 R)
• M11: 13,992,487 km (0.101 R)
• M12: 17,208,991 km (0.083 R)
• M13: 17,462,111 km (0.091 R)
• M14: 17,803,343 km (0.085 R)
• M15: 18,943,429 km (0.045 R)
• M16: 22,353,512 km (0.092 R)
• M17: 24,948,586 km (0.117 R)
• M18: 25,164,456 km (0.111 R)
• M19: 25,929,949 km (0.116 R)
• M20: 26,710,849 km (0.098 R)
• M21: 26,936,892 km (0.084 R)
• M22: 28,436,910 km (0.078 R)
• M23: 31,855,520 km (0.112 R)
• M24: 34,458,523 km (0.032 R)
• M25: 35,402,037 km (0.062 R)
• M26: 37,623,416 km (0.068 R)
• M27: 40,826,904 km (0.081 R)
• M28: 42,188,245 km (0.12 R)
• M29: 43,267,893 km (0.073 R)
• M30: 45,804,325 km (0.116 R)
• M31: 52,399,048 km (0.1 R)
• M32: 54,186,443 km (0.101 R)
• M33: 59,599,193 km (0.089 R)
• M34: 64,748,651 km (0.036 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 364 - 19,249 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit