🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.2

Radius: 8.4

Gravity: 12.79 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.8 AU - 0.96 AU

Year: 550 Days

Day: 11.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,627,517 km

• M1: 104,719 km (0.092 R)
• M2: 401,820 km (0.117 R)
• M3: 738,864 km (0.052 R)
• M4: 1,013,974 km (0.095 R)
• M5: 1,278,763 km (0.073 R)
• M6: 1,552,527 km (0.099 R)
• M7: 1,874,461 km (0.041 R)
• M8: 2,525,362 km (0.089 R)
• M9: 2,845,501 km (0.09 R)
• M10: 3,143,201 km (0.093 R)
• M11: 4,330,559 km (0.065 R)
• M12: 4,677,327 km (0.111 R)
• M13: 5,534,822 km (0.113 R)
• M14: 5,811,428 km (0.099 R)
• M15: 6,948,522 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.8

Radius: 9.2

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.41 AU - 2.11 AU

Year: 1557 Days

Day: 5.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,627,517 km

• M1: 114,442 km (0.081 R)
• M2: 410,945 km (0.071 R)
• M3: 712,086 km (0.091 R)
• M4: 1,154,297 km (0.091 R)
• M5: 1,548,787 km (0.113 R)
• M6: 1,894,807 km (0.053 R)
• M7: 2,222,426 km (0.12 R)
• M8: 2,639,654 km (0.086 R)
• M9: 3,021,877 km (0.098 R)
• M10: 3,363,259 km (0.058 R)
• M11: 3,813,848 km (0.068 R)
• M12: 4,995,821 km (0.116 R)
• M13: 5,849,127 km (0.11 R)
• M14: 6,574,826 km (0.079 R)
• M15: 7,598,525 km (0.106 R)
• M16: 8,176,870 km (0.085 R)
• M17: 9,546,139 km (0.108 R)
• M18: 10,618,307 km (0.114 R)
• M19: 12,656,578 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.8

Radius: 12.6

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.23 AU - 3.39 AU

Year: 3141 Days

Day: 14.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,627,517 km

• M1: 164,558 km (0.104 R)
• M2: 656,136 km (0.092 R)
• M3: 1,312,273 km (0.095 R)
• M4: 1,860,698 km (0.046 R)
• M5: 2,337,616 km (0.05 R)
• M6: 2,829,644 km (0.072 R)
• M7: 3,879,970 km (0.1 R)
• M8: 5,224,706 km (0.098 R)
• M9: 6,073,674 km (0.047 R)
• M10: 7,293,345 km (0.108 R)
• M11: 7,911,334 km (0.028 R)
• M12: 8,563,880 km (0.077 R)
• M13: 12,379,972 km (0.091 R)
• M14: 13,935,640 km (0.116 R)
• M15: 15,884,152 km (0.066 R)
• M16: 16,371,093 km (0.086 R)
• M17: 17,892,055 km (0.066 R)
• M18: 18,301,205 km (0.086 R)
• M19: 21,213,277 km (0.104 R)
• M20: 22,745,309 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.1

Radius: 8.9

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.28 AU - 3.36 AU

Year: 3158 Days

Day: 8.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,627,517 km

• M1: 112,498 km (0.046 R)
• M2: 434,731 km (0.09 R)
• M3: 903,122 km (0.095 R)
• M4: 1,302,997 km (0.068 R)
• M5: 2,090,032 km (0.119 R)
• M6: 2,376,362 km (0.111 R)
• M7: 2,898,459 km (0.117 R)
• M8: 3,866,357 km (0.103 R)
• M9: 4,189,638 km (0.104 R)
• M10: 4,629,157 km (0.075 R)
• M11: 5,400,334 km (0.113 R)
• M12: 5,828,483 km (0.111 R)
• M13: 6,279,071 km (0.053 R)
• M14: 7,249,962 km (0.041 R)
• M15: 8,406,353 km (0.116 R)
• M16: 9,519,361 km (0.12 R)
• M17: 9,944,369 km (0.118 R)
• M18: 10,347,984 km (0.1 R)
• M19: 11,368,690 km (0.038 R)
• M20: 11,735,803 km (0.083 R)
• M21: 12,224,839 km (0.085 R)
• M22: 13,163,266 km (0.031 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283

Radius: 14.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.73 AU - 3.89 AU

Year: 4016 Days

Day: 9.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,627,517 km

• M1: 182,809 km (0.11 R)
• M2: 657,183 km (0.083 R)
• M3: 1,734,737 km (0.06 R)
• M4: 2,392,369 km (0.105 R)
• M5: 3,264,674 km (0.092 R)
• M6: 4,770,377 km (0.087 R)
• M7: 5,920,485 km (0.091 R)
• M8: 6,672,663 km (0.086 R)
• M9: 7,189,374 km (0.072 R)
• M10: 8,800,544 km (0.11 R)
• M11: 9,565,587 km (0.114 R)
• M12: 10,952,210 km (0.049 R)
• M13: 11,510,509 km (0.096 R)
• M14: 12,597,936 km (0.03 R)
• M15: 13,798,608 km (0.029 R)
• M16: 15,171,767 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 855.8

Radius: 4.4

Gravity: 44.2 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 7.15 AU - 8.51 AU

Year: 14611 Days

Day: 23.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 75,627,517 km

• M1: 58,942 km (0.068 R)
• M2: 197,320 km (0.046 R)
• M3: 337,044 km (0.114 R)
• M4: 905,666 km (0.097 R)
• M5: 1,304,793 km (0.101 R)
• M6: 1,847,982 km (0.051 R)
• M7: 2,071,931 km (0.069 R)
• M8: 2,377,110 km (0.086 R)
• M9: 2,529,401 km (0.105 R)
• M10: 2,805,858 km (0.112 R)
• M11: 3,001,083 km (0.094 R)
• M12: 3,557,288 km (0.062 R)
• M13: 4,369,604 km (0.103 R)
• M14: 4,767,535 km (0.07 R)
• M15: 5,262,105 km (0.105 R)
• M16: 6,147,425 km (0.08 R)
• M17: 7,263,126 km (0.104 R)
• M18: 7,964,740 km (0.057 R)
• M19: 8,969,140 km (0.1 R)
• M20: 9,610,766 km (0.101 R)
• M21: 9,998,822 km (0.115 R)
• M22: 11,104,949 km (0.12 R)
• M23: 12,419,615 km (0.12 R)
• M24: 13,695,535 km (0.075 R)
• M25: 19,763,674 km (0.103 R)
• M26: 23,526,360 km (0.069 R)
• M27: 24,027,812 km (0.118 R)
• M28: 24,536,444 km (0.079 R)
• M29: 31,331,628 km (0.043 R)
• M30: 33,806,276 km (0.113 R)
• M31: 34,831,471 km (0.117 R)
• M32: 38,306,779 km (0.083 R)
• M33: 39,702,676 km (0.114 R)
• M34: 47,352,364 km (0.082 R)
• M35: 61,804,266 km (0.061 R)
• M36: 63,721,811 km (0.077 R)
• M37: 64,304,794 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 869.9

Radius: 5.5

Gravity: 28.76 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 7.42 AU - 10.3 AU

Year: 17587 Days

Day: 22.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 75,627,517 km

• M1: 68,366 km (0.057 R)
• M2: 480,359 km (0.041 R)
• M3: 1,263,204 km (0.093 R)
• M4: 1,727,107 km (0.083 R)
• M5: 2,521,173 km (0.117 R)
• M6: 2,833,384 km (0.111 R)
• M7: 3,535,297 km (0.078 R)
• M8: 3,958,060 km (0.107 R)
• M9: 4,447,844 km (0.116 R)
• M10: 6,862,354 km (0.115 R)
• M11: 7,045,910 km (0.107 R)
• M12: 7,763,980 km (0.114 R)
• M13: 9,288,382 km (0.105 R)
• M14: 10,209,755 km (0.114 R)
• M15: 11,190,519 km (0.074 R)
• M16: 11,509,462 km (0.092 R)
• M17: 12,435,024 km (0.057 R)
• M18: 13,768,838 km (0.077 R)
• M19: 15,745,026 km (0.079 R)
• M20: 16,389,195 km (0.04 R)
• M21: 19,875,723 km (0.066 R)
• M22: 21,989,391 km (0.108 R)
• M23: 23,100,454 km (0.118 R)
• M24: 26,431,999 km (0.067 R)
• M25: 29,101,274 km (0.103 R)
• M26: 31,311,582 km (0.068 R)
• M27: 41,576,988 km (0.098 R)
• M28: 42,960,619 km (0.102 R)
• M29: 44,692,813 km (0.112 R)
• M30: 45,012,653 km (0.089 R)
• M31: 57,951,223 km (0.106 R)
• M32: 60,063,994 km (0.119 R)
• M33: 66,086,056 km (0.115 R)
• M34: 69,029,095 km (0.103 R)
• M35: 72,498,270 km (0.228 R)
• M36: 72,939,883 km (0.027 R)
• M37: 73,605,743 km (0.116 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 273 - 10,566 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit