🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.9

Radius: 11.9

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.59 AU - 0.93 AU

Year: 457 Days

Day: 9.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,126,306 km

• M1: 147,952 km (0.07 R)
• M2: 616,642 km (0.113 R)
• M3: 1,086,380 km (0.095 R)
• M4: 1,459,626 km (0.054 R)
• M5: 1,912,758 km (0.093 R)
• M6: 2,459,688 km (0.084 R)
• M7: 2,944,984 km (0.062 R)
• M8: 3,554,745 km (0.085 R)
• M9: 4,015,805 km (0.077 R)
• M10: 5,027,685 km (0.057 R)
• M11: 5,477,376 km (0.074 R)
• M12: 5,953,846 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.6

Radius: 12.7

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1 AU - 1.24 AU

Year: 818 Days

Day: 10.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 42,126,306 km

• M1: 157,975 km (0.097 R)
• M2: 1,135,448 km (0.077 R)
• M3: 1,938,788 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.3

Radius: 8.1

Gravity: 9.9 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.22 AU - 1.38 AU

Year: 1023 Days

Day: 14.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 42,126,306 km

• M1: 100,829 km (0.049 R)
• M2: 407,505 km (0.045 R)
• M3: 1,228,647 km (0.096 R)
• M4: 1,485,806 km (0.108 R)
• M5: 1,863,241 km (0.083 R)
• M6: 2,337,018 km (0.117 R)
• M7: 2,651,024 km (0.059 R)
• M8: 3,436,712 km (0.09 R)
• M9: 3,939,361 km (0.079 R)
• M10: 4,284,184 km (0.084 R)
• M11: 4,595,647 km (0.095 R)
• M12: 5,015,717 km (0.069 R)
• M13: 5,441,174 km (0.034 R)
• M14: 6,017,275 km (0.12 R)
• M15: 6,453,203 km (0.118 R)
• M16: 7,027,510 km (0.066 R)
• M17: 7,315,186 km (0.113 R)
• M18: 7,585,659 km (0.093 R)
• M19: 7,991,069 km (0.037 R)
• M20: 8,518,103 km (0.06 R)
• M21: 8,872,949 km (0.114 R)
• M22: 9,209,245 km (0.082 R)
• M23: 9,553,918 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.2

Radius: 9.3

Gravity: 10.94 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.08 AU - 1.6 AU

Year: 1071 Days

Day: 6.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,126,306 km

• M1: 115,639 km (0.101 R)
• M2: 477,666 km (0.076 R)
• M3: 855,999 km (0.072 R)
• M4: 1,260,960 km (0.097 R)
• M5: 1,650,962 km (0.106 R)
• M6: 2,013,737 km (0.099 R)
• M7: 2,441,587 km (0.091 R)
• M8: 3,270,060 km (0.068 R)
• M9: 3,847,508 km (0.071 R)
• M10: 5,643,280 km (0.104 R)
• M11: 6,196,344 km (0.106 R)
• M12: 6,712,606 km (0.056 R)
• M13: 7,619,020 km (0.102 R)
• M14: 8,690,739 km (0.099 R)
• M15: 9,010,579 km (0.117 R)
• M16: 10,498,779 km (0.087 R)
• M17: 11,029,402 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.9

Radius: 14.2

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.31 AU - 3.41 AU

Year: 3339 Days

Day: 12 Hours

Environment

Temp: -216 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,126,306 km

• M1: 197,020 km (0.115 R)
• M2: 1,538,913 km (0.081 R)
• M3: 3,188,379 km (0.074 R)
• M4: 3,871,593 km (0.079 R)
• M5: 4,520,100 km (0.087 R)
• M6: 5,924,375 km (0.053 R)
• M7: 7,061,468 km (0.114 R)
• M8: 8,255,110 km (0.114 R)
• M9: 10,276,476 km (0.119 R)
• M10: 11,915,022 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.5

Radius: 12.1

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 3.03 AU - 4.81 AU

Year: 5357 Days

Day: 7.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,126,306 km

• M1: 150,495 km (0.071 R)
• M2: 595,250 km (0.102 R)
• M3: 1,101,788 km (0.037 R)
• M4: 2,134,462 km (0.094 R)
• M5: 3,201,095 km (0.116 R)
• M6: 5,087,824 km (0.095 R)
• M7: 5,671,255 km (0.114 R)
• M8: 6,447,967 km (0.092 R)
• M9: 7,294,243 km (0.084 R)
• M10: 7,795,545 km (0.094 R)
• M11: 8,536,055 km (0.107 R)
• M12: 9,674,644 km (0.098 R)
• M13: 11,346,849 km (0.082 R)
• M14: 14,154,203 km (0.03 R)
• M15: 14,829,936 km (0.1 R)
• M16: 15,691,171 km (0.08 R)
• M17: 22,052,970 km (0.045 R)
• M18: 23,460,985 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.3

Radius: 10.3

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 3.22 AU - 4.94 AU

Year: 5689 Days

Day: 8.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 42,126,306 km

• M1: 133,890 km (0.118 R)
• M2: 489,783 km (0.063 R)
• M3: 836,402 km (0.093 R)
• M4: 1,761,365 km (0.088 R)
• M5: 2,170,516 km (0.06 R)
• M6: 2,884,696 km (0.116 R)
• M7: 3,634,779 km (0.111 R)
• M8: 4,615,094 km (0.09 R)
• M9: 5,732,291 km (0.065 R)
• M10: 6,404,135 km (0.058 R)
• M11: 9,981,619 km (0.107 R)
• M12: 13,910,956 km (0.088 R)
• M13: 16,974,870 km (0.114 R)
• M14: 17,427,853 km (0.11 R)
• M15: 19,320,864 km (0.119 R)
• M16: 20,100,718 km (0.051 R)
• M17: 21,272,368 km (0.074 R)
• M18: 22,644,330 km (0.102 R)
• M19: 25,648,256 km (0.077 R)
• M20: 27,025,903 km (0.096 R)
• M21: 27,377,906 km (0.087 R)
• M22: 27,911,522 km (0.108 R)
• M23: 28,633,930 km (0.1 R)
• M24: 30,589,623 km (0.084 R)
• M25: 32,434,314 km (0.044 R)
• M26: 33,434,376 km (0.059 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585

Radius: 12.4

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.17 AU - 4.19 AU

Year: 5899 Days

Day: 8.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,126,306 km

• M1: 154,235 km (0.063 R)
• M2: 599,738 km (0.072 R)
• M3: 1,226,852 km (0.106 R)
• M4: 1,727,706 km (0.063 R)
• M5: 2,462,381 km (0.033 R)
• M6: 3,016,491 km (0.111 R)
• M7: 3,652,731 km (0.118 R)
• M8: 4,352,101 km (0.089 R)
• M9: 5,278,860 km (0.072 R)
• M10: 5,865,134 km (0.099 R)
• M11: 7,099,017 km (0.099 R)
• M12: 7,888,595 km (0.111 R)
• M13: 8,382,118 km (0.111 R)
• M14: 8,936,678 km (0.092 R)
• M15: 11,119,759 km (0.089 R)
• M16: 11,789,958 km (0.118 R)
• M17: 12,845,520 km (0.046 R)
• M18: 13,799,656 km (0.084 R)
• M19: 14,630,373 km (0.094 R)
• M20: 18,421,631 km (0.078 R)
• M21: 25,594,251 km (0.094 R)
• M22: 26,174,242 km (0.117 R)
• M23: 29,027,672 km (0.094 R)
• M24: 30,668,611 km (0.117 R)
• M25: 31,417,348 km (0.087 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.3

Radius: 12.2

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.38 AU - 5.02 AU

Year: 5941 Days

Day: 6.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,126,306 km

• M1: 151,692 km (0.079 R)
• M2: 635,791 km (0.088 R)
• M3: 1,030,430 km (0.08 R)
• M4: 1,634,357 km (0.095 R)
• M5: 2,381,598 km (0.113 R)
• M6: 2,769,057 km (0.048 R)
• M7: 3,517,644 km (0.09 R)
• M8: 4,765,889 km (0.107 R)
• M9: 5,968,057 km (0.099 R)
• M10: 6,863,999 km (0.083 R)
• M11: 8,433,281 km (0.098 R)
• M12: 11,073,085 km (0.09 R)
• M13: 11,610,889 km (0.05 R)
• M14: 12,845,072 km (0.097 R)
• M15: 13,604,281 km (0.093 R)
• M16: 17,331,213 km (0.059 R)
• M17: 17,990,341 km (0.102 R)
• M18: 18,940,886 km (0.091 R)
• M19: 19,640,106 km (0.095 R)
• M20: 23,159,695 km (0.108 R)
• M21: 26,642,782 km (0.091 R)
• M22: 29,706,996 km (0.106 R)
• M23: 30,176,583 km (0.044 R)
• M24: 31,420,789 km (0.091 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 238.9

Radius: 6

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 6.91 AU - 7.93 AU

Year: 13951 Days

Day: 24 Hours

Environment

Temp: -240 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,126,306 km

• M1: 74,649 km (0.104 R)
• M2: 406,009 km (0.1 R)
• M3: 715,975 km (0.096 R)
• M4: 949,198 km (0.076 R)
• M5: 1,154,148 km (0.066 R)
• M6: 1,771,538 km (0.106 R)
• M7: 3,212,465 km (0.064 R)
• M8: 6,124,986 km (0.093 R)
• M9: 8,623,569 km (0.107 R)
• M10: 9,112,455 km (0.075 R)
• M11: 9,713,689 km (0.082 R)
• M12: 13,122,725 km (0.074 R)
• M13: 13,650,058 km (0.113 R)
• M14: 18,974,994 km (0.09 R)
• M15: 23,006,956 km (0.096 R)
• M16: 25,266,781 km (0.057 R)
• M17: 31,659,248 km (0.115 R)
• M18: 40,384,693 km (0.055 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 503 - 14,874 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit