🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.1

Radius: 12.7

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.44 AU - 0.6 AU

Year: 254 Days

Day: 14.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 70,723,657 km

• M1: 157,975 km (0.076 R)
• M2: 553,213 km (0.091 R)
• M3: 1,569,431 km (0.072 R)
• M4: 2,346,143 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.8

Radius: 11.8

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.42 AU - 0.64 AU

Year: 262 Days

Day: 14.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,723,657 km

• M1: 146,756 km (0.102 R)
• M2: 519,553 km (0.098 R)
• M3: 960,119 km (0.046 R)
• M4: 1,383,481 km (0.072 R)
• M5: 1,833,023 km (0.072 R)
• M6: 2,256,235 km (0.093 R)
• M7: 2,658,953 km (0.102 R)
• M8: 3,100,266 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311

Radius: 11.1

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.55 AU - 0.59 AU

Year: 292 Days

Day: 11 Hours

Environment

Temp: -139 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,723,657 km

• M1: 138,228 km (0.118 R)
• M2: 645,964 km (0.094 R)
• M3: 1,129,015 km (0.063 R)
• M4: 1,663,528 km (0.047 R)
• M5: 2,069,986 km (0.078 R)
• M6: 2,463,129 km (0.061 R)
• M7: 2,968,770 km (0.088 R)
• M8: 3,442,397 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.6

Radius: 11.7

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.51 AU - 0.83 AU

Year: 372 Days

Day: 7 Hours

Environment

Temp: -153 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,723,657 km

• M1: 145,559 km (0.09 R)
• M2: 522,545 km (0.074 R)
• M3: 1,333,964 km (0.106 R)
• M4: 1,743,862 km (0.111 R)
• M5: 2,187,420 km (0.118 R)
• M6: 2,552,738 km (0.084 R)
• M7: 3,107,896 km (0.076 R)
• M8: 3,572,996 km (0.103 R)
• M9: 4,045,426 km (0.1 R)
• M10: 4,995,522 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.8

Radius: 11.8

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.69 AU - 1.03 AU

Year: 541 Days

Day: 5.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,723,657 km

• M1: 147,653 km (0.088 R)
• M2: 884,871 km (0.104 R)
• M3: 1,271,881 km (0.066 R)
• M4: 1,726,958 km (0.09 R)
• M5: 2,480,482 km (0.081 R)
• M6: 3,021,279 km (0.106 R)
• M7: 3,533,352 km (0.094 R)
• M8: 3,901,812 km (0.115 R)
• M9: 4,296,002 km (0.111 R)
• M10: 4,765,291 km (0.087 R)
• M11: 5,286,041 km (0.062 R)
• M12: 5,994,985 km (0.091 R)
• M13: 6,462,179 km (0.1 R)
• M14: 7,186,981 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.8

Radius: 14.8

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.98 AU - 2.86 AU

Year: 2553 Days

Day: 10.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,723,657 km

• M1: 184,005 km (0.109 R)
• M2: 810,970 km (0.11 R)
• M3: 1,304,793 km (0.063 R)
• M4: 1,845,739 km (0.047 R)
• M5: 2,332,979 km (0.085 R)
• M6: 2,985,375 km (0.094 R)
• M7: 4,063,677 km (0.048 R)
• M8: 4,639,628 km (0.083 R)
• M9: 5,130,160 km (0.108 R)
• M10: 5,880,543 km (0.098 R)
• M11: 6,565,551 km (0.06 R)
• M12: 7,571,447 km (0.073 R)
• M13: 8,190,932 km (0.077 R)
• M14: 9,047,081 km (0.04 R)
• M15: 9,817,360 km (0.109 R)
• M16: 11,489,266 km (0.102 R)
• M17: 13,611,761 km (0.078 R)
• M18: 14,389,819 km (0.111 R)
• M19: 15,052,687 km (0.037 R)
• M20: 15,984,682 km (0.056 R)
• M21: 17,856,151 km (0.069 R)
• M22: 18,788,894 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.4

Radius: 14.9

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.13 AU - 2.91 AU

Year: 2713 Days

Day: 14.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,723,657 km

• M1: 185,501 km (0.109 R)
• M2: 931,247 km (0.108 R)
• M3: 1,394,551 km (0.045 R)
• M4: 1,957,488 km (0.06 R)
• M5: 2,425,580 km (0.102 R)
• M6: 3,002,280 km (0.095 R)
• M7: 3,632,685 km (0.116 R)
• M8: 4,162,710 km (0.092 R)
• M9: 4,632,597 km (0.046 R)
• M10: 5,731,992 km (0.095 R)
• M11: 6,969,615 km (0.116 R)
• M12: 7,699,204 km (0.083 R)
• M13: 8,648,253 km (0.087 R)
• M14: 9,674,195 km (0.068 R)
• M15: 10,583,301 km (0.118 R)
• M16: 12,310,708 km (0.082 R)
• M17: 13,655,144 km (0.089 R)
• M18: 14,363,191 km (0.074 R)
• M19: 15,852,587 km (0.12 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.1

Radius: 10.7

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.88 AU - 4.16 AU

Year: 5467 Days

Day: 5.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 70,723,657 km

• M1: 133,142 km (0.068 R)
• M2: 515,065 km (0.078 R)
• M3: 1,000,660 km (0.106 R)
• M4: 1,370,915 km (0.099 R)
• M5: 1,935,946 km (0.113 R)
• M6: 2,295,579 km (0.107 R)
• M7: 2,634,718 km (0.076 R)
• M8: 3,152,027 km (0.069 R)
• M9: 3,674,572 km (0.075 R)
• M10: 4,054,551 km (0.113 R)
• M11: 4,625,865 km (0.105 R)
• M12: 6,394,860 km (0.1 R)
• M13: 6,728,613 km (0.067 R)
• M14: 9,286,737 km (0.098 R)
• M15: 10,117,304 km (0.104 R)
• M16: 11,388,587 km (0.111 R)
• M17: 13,294,314 km (0.053 R)
• M18: 13,789,782 km (0.068 R)
• M19: 14,452,052 km (0.093 R)
• M20: 15,082,158 km (0.093 R)
• M21: 15,512,252 km (0.068 R)
• M22: 16,852,200 km (0.113 R)
• M23: 18,572,276 km (0.052 R)
• M24: 19,760,832 km (0.109 R)
• M25: 21,266,684 km (0.112 R)
• M26: 21,876,295 km (0.096 R)
• M27: 22,918,095 km (0.111 R)
• M28: 23,344,000 km (0.076 R)
• M29: 23,702,885 km (0.064 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.3

Radius: 11.6

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 4.52 AU - 4.96 AU

Year: 6999 Days

Day: 8.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 70,723,657 km

• M1: 144,212 km (0.083 R)
• M2: 741,706 km (0.065 R)
• M3: 1,114,654 km (0.104 R)
• M4: 1,685,220 km (0.08 R)
• M5: 2,235,591 km (0.114 R)
• M6: 2,823,061 km (0.102 R)
• M7: 3,262,879 km (0.104 R)
• M8: 4,608,961 km (0.062 R)
• M9: 6,158,047 km (0.09 R)
• M10: 6,541,167 km (0.092 R)
• M11: 7,278,535 km (0.104 R)
• M12: 8,658,426 km (0.094 R)
• M13: 9,274,769 km (0.087 R)
• M14: 9,732,837 km (0.078 R)
• M15: 10,644,636 km (0.095 R)
• M16: 13,959,277 km (0.091 R)
• M17: 15,689,525 km (0.074 R)
• M18: 17,907,015 km (0.068 R)
• M19: 18,763,014 km (0.079 R)
• M20: 19,795,688 km (0.097 R)
• M21: 26,255,025 km (0.041 R)
• M22: 28,686,738 km (0.063 R)
• M23: 29,170,986 km (0.084 R)
• M24: 32,192,415 km (0.112 R)
• M25: 33,350,601 km (0.077 R)
• M26: 33,994,022 km (0.095 R)
• M27: 35,416,398 km (0.078 R)
• M28: 38,967,852 km (0.061 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 660.5

Radius: 5.1

Gravity: 25.39 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 7.59 AU - 10.37 AU

Year: 18252 Days

Day: 21.5 Hours

Environment

Temp: -244 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 70,723,657 km

• M1: 65,075 km (0.043 R)
• M2: 261,497 km (0.083 R)
• M3: 503,546 km (0.091 R)
• M4: 727,195 km (0.097 R)
• M5: 1,378,395 km (0.064 R)
• M6: 1,751,342 km (0.109 R)
• M7: 1,933,403 km (0.116 R)
• M8: 3,700,902 km (0.113 R)
• M9: 4,064,425 km (0.12 R)
• M10: 8,325,720 km (0.103 R)
• M11: 8,581,831 km (0.106 R)
• M12: 10,405,429 km (0.05 R)
• M13: 11,005,467 km (0.115 R)
• M14: 12,673,034 km (0.034 R)
• M15: 12,943,657 km (0.119 R)
• M16: 13,921,578 km (0.107 R)
• M17: 15,633,277 km (0.088 R)
• M18: 17,231,730 km (0.11 R)
• M19: 17,480,661 km (0.04 R)
• M20: 24,092,737 km (0.044 R)
• M21: 27,213,947 km (0.085 R)
• M22: 28,005,769 km (0.116 R)
• M23: 29,516,857 km (0.044 R)
• M24: 29,992,578 km (0.08 R)
• M25: 30,715,734 km (0.101 R)
• M26: 33,209,979 km (0.103 R)
• M27: 34,506,245 km (0.06 R)
• M28: 37,337,684 km (0.084 R)
• M29: 42,696,429 km (0.065 R)
• M30: 50,213,273 km (0.079 R)
• M31: 53,662,851 km (0.11 R)
• M32: 56,899,550 km (0.075 R)
• M33: 57,451,267 km (0.108 R)
• M34: 57,636,020 km (0.12 R)
• M35: 58,940,215 km (0.091 R)
• M36: 67,591,460 km (0.052 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 513 - 11,938 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit