🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.4

Radius: 11.5

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.43 AU - 0.69 AU

Year: 289 Days

Day: 10.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,077,330 km

• M1: 143,165 km (0.111 R)
• M2: 512,672 km (0.108 R)
• M3: 971,788 km (0.064 R)
• M4: 1,535,173 km (0.073 R)
• M5: 2,086,142 km (0.075 R)
• M6: 2,449,067 km (0.109 R)
• M7: 2,874,523 km (0.104 R)
• M8: 3,250,313 km (0.071 R)
• M9: 3,718,554 km (0.063 R)
• M10: 4,777,258 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.3

Radius: 13

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.04 AU - 1.3 AU

Year: 874 Days

Day: 12.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,077,330 km

• M1: 162,613 km (0.104 R)
• M2: 722,558 km (0.055 R)
• M3: 1,142,180 km (0.106 R)
• M4: 1,671,906 km (0.087 R)
• M5: 2,299,918 km (0.113 R)
• M6: 2,902,199 km (0.052 R)
• M7: 3,801,731 km (0.104 R)
• M8: 4,392,343 km (0.046 R)
• M9: 4,915,487 km (0.072 R)
• M10: 5,962,672 km (0.031 R)
• M11: 6,408,174 km (0.117 R)
• M12: 7,535,095 km (0.107 R)
• M13: 8,576,147 km (0.112 R)
• M14: 9,312,617 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625

Radius: 13.6

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.24 AU - 1.6 AU

Year: 1168 Days

Day: 14.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 157.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,077,330 km

• M1: 169,644 km (0.084 R)
• M2: 606,769 km (0.065 R)
• M3: 1,672,055 km (0.116 R)
• M4: 2,292,587 km (0.12 R)
• M5: 2,763,671 km (0.099 R)
• M6: 3,215,157 km (0.112 R)
• M7: 3,953,573 km (0.085 R)
• M8: 4,424,806 km (0.086 R)
• M9: 5,665,720 km (0.114 R)
• M10: 6,356,563 km (0.109 R)
• M11: 7,598,674 km (0.038 R)
• M12: 8,549,369 km (0.078 R)
• M13: 9,877,947 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.4

Radius: 14.6

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.33 AU - 1.71 AU

Year: 1294 Days

Day: 5.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,077,330 km

• M1: 181,612 km (0.1 R)
• M2: 685,009 km (0.094 R)
• M3: 1,407,267 km (0.111 R)
• M4: 1,973,495 km (0.077 R)
• M5: 2,678,699 km (0.098 R)
• M6: 3,150,082 km (0.091 R)
• M7: 3,726,633 km (0.116 R)
• M8: 4,637,384 km (0.115 R)
• M9: 5,781,060 km (0.115 R)
• M10: 7,580,423 km (0.09 R)
• M11: 9,226,748 km (0.064 R)
• M12: 9,889,766 km (0.055 R)
• M13: 12,597,637 km (0.085 R)
• M14: 13,177,777 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.4

Radius: 9.1

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.97 AU - 2.99 AU

Year: 2696 Days

Day: 10 Hours

Environment

Temp: -199 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,077,330 km

• M1: 113,246 km (0.117 R)
• M2: 934,687 km (0.098 R)
• M3: 1,503,459 km (0.066 R)
• M4: 1,918,144 km (0.101 R)
• M5: 2,916,859 km (0.079 R)
• M6: 3,531,108 km (0.11 R)
• M7: 3,841,225 km (0.094 R)
• M8: 5,456,882 km (0.09 R)
• M9: 6,153,110 km (0.043 R)
• M10: 6,522,766 km (0.116 R)
• M11: 8,215,167 km (0.073 R)
• M12: 8,894,491 km (0.1 R)
• M13: 9,333,411 km (0.105 R)
• M14: 10,550,091 km (0.116 R)
• M15: 15,595,428 km (0.117 R)
• M16: 16,686,745 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.3

Radius: 12.9

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.64 AU - 4.22 AU

Year: 5378 Days

Day: 10.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,077,330 km

• M1: 160,519 km (0.075 R)
• M2: 670,198 km (0.084 R)
• M3: 1,170,454 km (0.108 R)
• M4: 1,619,397 km (0.114 R)
• M5: 2,912,521 km (0.055 R)
• M6: 3,369,393 km (0.116 R)
• M7: 4,692,885 km (0.057 R)
• M8: 5,108,169 km (0.06 R)
• M9: 5,523,004 km (0.084 R)
• M10: 6,255,734 km (0.096 R)
• M11: 6,817,923 km (0.034 R)
• M12: 7,851,345 km (0.081 R)
• M13: 8,372,694 km (0.099 R)
• M14: 11,293,592 km (0.102 R)
• M15: 13,005,740 km (0.105 R)
• M16: 13,505,546 km (0.114 R)
• M17: 14,787,002 km (0.104 R)
• M18: 15,838,525 km (0.07 R)
• M19: 16,252,013 km (0.116 R)
• M20: 17,811,721 km (0.101 R)
• M21: 18,944,027 km (0.028 R)
• M22: 20,003,778 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.6

Radius: 11.1

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 4.72 AU - 5.82 AU

Year: 8351 Days

Day: 13 Hours

Environment

Temp: -228 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,077,330 km

• M1: 138,079 km (0.094 R)
• M2: 722,707 km (0.11 R)
• M3: 1,209,499 km (0.106 R)
• M4: 1,644,978 km (0.095 R)
• M5: 2,094,370 km (0.089 R)
• M6: 3,509,117 km (0.11 R)
• M7: 4,081,927 km (0.115 R)
• M8: 4,854,900 km (0.081 R)
• M9: 7,682,748 km (0.113 R)
• M10: 9,041,845 km (0.119 R)
• M11: 9,859,397 km (0.117 R)
• M12: 11,318,724 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 168.7

Radius: 7.4

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 4.36 AU - 6.84 AU

Year: 9147 Days

Day: 21.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,077,330 km

• M1: 158,424 km (0.073 R)
• M2: 605,423 km (0.025 R)
• M3: 1,857,706 km (0.031 R)
• M4: 2,892,924 km (0.064 R)
• M5: 3,704,791 km (0.031 R)
• M6: 5,712,843 km (0.079 R)
• M7: 7,420,653 km (0.076 R)
• M8: 9,606,427 km (0.028 R)
• M9: 11,949,728 km (0.11 R)
• M10: 18,611,022 km (0.063 R)
• M11: 21,781,151 km (0.076 R)
• M12: 24,825,916 km (0.099 R)
• M13: 25,847,670 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 896.6

Radius: 6.9

Gravity: 18.83 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 6.95 AU - 8.77 AU

Year: 15211 Days

Day: 16.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 73,077,330 km

• M1: 96,790 km (0.108 R)
• M2: 353,799 km (0.093 R)
• M3: 1,104,331 km (0.062 R)
• M4: 1,345,782 km (0.112 R)
• M5: 1,863,989 km (0.118 R)
• M6: 2,250,700 km (0.095 R)
• M7: 2,552,289 km (0.03 R)
• M8: 3,290,405 km (0.111 R)
• M9: 4,100,328 km (0.114 R)
• M10: 4,452,481 km (0.056 R)
• M11: 5,708,655 km (0.084 R)
• M12: 6,189,313 km (0.081 R)
• M13: 6,827,497 km (0.119 R)
• M14: 7,276,740 km (0.076 R)
• M15: 9,059,049 km (0.056 R)
• M16: 11,421,797 km (0.112 R)
• M17: 11,798,934 km (0.081 R)
• M18: 14,383,237 km (0.077 R)
• M19: 16,196,662 km (0.105 R)
• M20: 18,072,769 km (0.101 R)
• M21: 18,844,694 km (0.117 R)
• M22: 19,728,070 km (0.101 R)
• M23: 22,056,710 km (0.087 R)
• M24: 23,337,268 km (0.059 R)
• M25: 28,038,830 km (0.068 R)
• M26: 30,012,624 km (0.081 R)
• M27: 30,972,743 km (0.096 R)
• M28: 31,215,989 km (0.1 R)
• M29: 36,351,834 km (0.119 R)
• M30: 38,554,812 km (0.062 R)
• M31: 42,023,687 km (0.066 R)
• M32: 46,485,893 km (0.047 R)
• M33: 46,964,905 km (0.076 R)
• M34: 50,746,291 km (0.06 R)
• M35: 57,247,365 km (0.064 R)
• M36: 60,982,226 km (0.117 R)
• M37: 66,884,161 km (0.098 R)
• M38: 69,140,246 km (0.109 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 763.1

Radius: 4.1

Gravity: 45.4 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 8.37 AU - 9.11 AU

Year: 17835 Days

Day: 15.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 138.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 73,077,330 km

• M1: 51,162 km (0.069 R)
• M2: 234,719 km (0.108 R)
• M3: 1,164,919 km (0.104 R)
• M4: 2,226,465 km (0.063 R)
• M5: 3,102,211 km (0.102 R)
• M6: 4,416,279 km (0.053 R)
• M7: 4,795,061 km (0.11 R)
• M8: 5,816,664 km (0.039 R)
• M9: 6,705,575 km (0.111 R)
• M10: 6,839,465 km (0.095 R)
• M11: 15,125,392 km (0.092 R)
• M12: 15,667,535 km (0.109 R)
• M13: 16,872,396 km (0.075 R)
• M14: 19,464,927 km (0.037 R)
• M15: 22,509,992 km (0.056 R)
• M16: 25,422,513 km (0.095 R)
• M17: 25,748,636 km (0.066 R)
• M18: 29,763,095 km (0.043 R)
• M19: 31,106,035 km (0.087 R)
• M20: 35,647,228 km (0.034 R)
• M21: 39,583,297 km (0.088 R)
• M22: 41,655,826 km (0.097 R)
• M23: 47,643,331 km (0.089 R)
• M24: 48,805,408 km (0.048 R)
• M25: 51,013,472 km (0.092 R)
• M26: 51,532,278 km (0.071 R)
• M27: 52,756,587 km (0.077 R)
• M28: 54,719,460 km (0.078 R)
• M29: 54,900,324 km (0.066 R)
• M30: 56,730,505 km (0.085 R)
• M31: 56,915,707 km (0.11 R)
• M32: 61,288,153 km (0.026 R)
• M33: 62,859,828 km (0.107 R)
• M34: 71,987,393 km (0.066 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 11,539 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit