🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.1

Radius: 12.9

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.18 AU - 1.44 AU

Year: 1054 Days

Day: 14.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,844,017 km

• M1: 160,519 km (0.071 R)
• M2: 687,402 km (0.101 R)
• M3: 1,090,419 km (0.111 R)
• M4: 1,514,678 km (0.102 R)
• M5: 2,241,574 km (0.094 R)
• M6: 2,759,632 km (0.06 R)
• M7: 3,279,784 km (0.117 R)
• M8: 3,722,893 km (0.093 R)
• M9: 4,329,362 km (0.083 R)
• M10: 4,780,849 km (0.107 R)
• M11: 6,268,001 km (0.063 R)
• M12: 6,890,628 km (0.111 R)
• M13: 7,623,059 km (0.113 R)
• M14: 8,163,705 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.8

Radius: 12.6

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.69 AU - 1.85 AU

Year: 1655 Days

Day: 12.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,844,017 km

• M1: 157,676 km (0.066 R)
• M2: 581,637 km (0.073 R)
• M3: 975,378 km (0.105 R)
• M4: 1,372,411 km (0.12 R)
• M5: 2,093,772 km (0.091 R)
• M6: 2,787,756 km (0.054 R)
• M7: 3,397,816 km (0.072 R)
• M8: 4,095,691 km (0.117 R)
• M9: 4,887,063 km (0.097 R)
• M10: 5,555,467 km (0.068 R)
• M11: 6,349,532 km (0.118 R)
• M12: 8,829,715 km (0.058 R)
• M13: 9,474,332 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.7

Radius: 9.6

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.87 AU - 3.03 AU

Year: 2696 Days

Day: 5.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,844,017 km

• M1: 159,771 km (0.095 R)
• M2: 608,415 km (0.095 R)
• M3: 1,127,519 km (0.101 R)
• M4: 1,590,225 km (0.086 R)
• M5: 3,071,843 km (0.061 R)
• M6: 3,595,884 km (0.086 R)
• M7: 4,624,818 km (0.066 R)
• M8: 5,102,634 km (0.084 R)
• M9: 5,592,716 km (0.033 R)
• M10: 6,419,843 km (0.109 R)
• M11: 9,420,926 km (0.104 R)
• M12: 9,829,926 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530

Radius: 13.3

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.47 AU - 2.85 AU

Year: 3050 Days

Day: 5.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,844,017 km

• M1: 167,400 km (0.115 R)
• M2: 795,262 km (0.067 R)
• M3: 1,449,753 km (0.09 R)
• M4: 2,448,917 km (0.109 R)
• M5: 3,348,300 km (0.081 R)
• M6: 3,963,446 km (0.105 R)
• M7: 4,609,110 km (0.106 R)
• M8: 6,085,193 km (0.038 R)
• M9: 6,520,223 km (0.109 R)
• M10: 12,179,211 km (0.066 R)
• M11: 13,050,469 km (0.075 R)
• M12: 13,823,442 km (0.111 R)
• M13: 14,530,591 km (0.099 R)
• M14: 17,877,245 km (0.076 R)
• M15: 19,117,710 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.2

Radius: 11.7

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.59 AU - 2.83 AU

Year: 3136 Days

Day: 5.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,844,017 km

• M1: 145,708 km (0.094 R)
• M2: 556,654 km (0.086 R)
• M3: 940,971 km (0.048 R)
• M4: 1,317,508 km (0.11 R)
• M5: 1,737,280 km (0.09 R)
• M6: 2,423,336 km (0.072 R)
• M7: 3,117,470 km (0.12 R)
• M8: 3,610,694 km (0.047 R)
• M9: 5,707,308 km (0.104 R)
• M10: 6,449,164 km (0.031 R)
• M11: 7,782,231 km (0.085 R)
• M12: 9,027,035 km (0.067 R)
• M13: 11,818,232 km (0.096 R)
• M14: 12,503,839 km (0.096 R)
• M15: 14,877,059 km (0.109 R)
• M16: 15,622,356 km (0.069 R)
• M17: 16,004,279 km (0.07 R)
• M18: 21,220,308 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.2

Radius: 8.2

Gravity: 12.84 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 3.08 AU - 3.54 AU

Year: 4233 Days

Day: 5.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 43,844,017 km

• M1: 102,026 km (0.082 R)
• M2: 371,302 km (0.038 R)
• M3: 1,011,132 km (0.111 R)
• M4: 1,436,588 km (0.089 R)
• M5: 1,840,652 km (0.116 R)
• M6: 3,238,943 km (0.075 R)
• M7: 4,432,286 km (0.036 R)
• M8: 5,155,442 km (0.037 R)
• M9: 7,726,730 km (0.062 R)
• M10: 8,053,003 km (0.041 R)
• M11: 8,617,137 km (0.088 R)
• M12: 8,889,255 km (0.114 R)
• M13: 10,250,596 km (0.11 R)
• M14: 11,094,627 km (0.114 R)
• M15: 13,329,170 km (0.063 R)
• M16: 13,746,249 km (0.076 R)
• M17: 14,064,743 km (0.053 R)
• M18: 14,606,586 km (0.111 R)
• M19: 15,388,535 km (0.112 R)
• M20: 16,374,983 km (0.107 R)
• M21: 17,035,458 km (0.085 R)
• M22: 17,901,629 km (0.106 R)
• M23: 22,165,318 km (0.066 R)
• M24: 24,726,134 km (0.095 R)
• M25: 25,755,218 km (0.059 R)
• M26: 28,927,142 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.8

Radius: 12.4

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 4.88 AU - 4.92 AU

Year: 7624 Days

Day: 7.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,844,017 km

• M1: 159,023 km (0.069 R)
• M2: 636,988 km (0.061 R)
• M3: 1,614,759 km (0.111 R)
• M4: 2,806,456 km (0.094 R)
• M5: 3,535,446 km (0.049 R)
• M6: 4,336,393 km (0.027 R)
• M7: 5,946,665 km (0.111 R)
• M8: 7,439,203 km (0.095 R)
• M9: 8,835,699 km (0.077 R)
• M10: 10,082,448 km (0.1 R)
• M11: 11,939,556 km (0.073 R)
• M12: 13,902,878 km (0.111 R)
• M13: 18,258,570 km (0.115 R)
• M14: 20,130,039 km (0.099 R)
• M15: 20,635,381 km (0.105 R)
• M16: 21,898,136 km (0.071 R)
• M17: 22,819,958 km (0.073 R)
• M18: 27,733,052 km (0.086 R)
• M19: 28,721,146 km (0.063 R)
• M20: 29,362,023 km (0.044 R)
• M21: 32,414,119 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 637.7

Radius: 6.8

Gravity: 13.79 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 4.73 AU - 6.27 AU

Year: 9067 Days

Day: 17.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 43,844,017 km

• M1: 85,420 km (0.103 R)
• M2: 389,403 km (0.075 R)
• M3: 623,973 km (0.109 R)
• M4: 1,301,801 km (0.07 R)
• M5: 2,337,317 km (0.092 R)
• M6: 2,864,201 km (0.079 R)
• M7: 3,914,827 km (0.111 R)
• M8: 4,261,146 km (0.031 R)
• M9: 4,893,795 km (0.083 R)
• M10: 5,720,174 km (0.104 R)
• M11: 9,489,442 km (0.067 R)
• M12: 11,289,104 km (0.07 R)
• M13: 15,680,400 km (0.079 R)
• M14: 16,898,725 km (0.074 R)
• M15: 19,218,240 km (0.079 R)
• M16: 27,627,735 km (0.031 R)
• M17: 28,015,193 km (0.061 R)
• M18: 30,109,264 km (0.07 R)
• M19: 33,607,012 km (0.062 R)
• M20: 36,779,534 km (0.11 R)
• M21: 37,602,771 km (0.104 R)
• M22: 40,893,476 km (0.089 R)
• M23: 41,523,283 km (0.073 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 410 - 15,960 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit