🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.9

Radius: 10.8

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.31 AU - 1.47 AU

Year: 1075 Days

Day: 13.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 85,033,962 km

• M1: 134,339 km (0.116 R)
• M2: 475,123 km (0.05 R)
• M3: 894,745 km (0.088 R)
• M4: 1,617,303 km (0.085 R)
• M5: 1,963,322 km (0.116 R)
• M6: 2,559,021 km (0.105 R)
• M7: 3,300,578 km (0.111 R)
• M8: 4,179,765 km (0.044 R)
• M9: 4,565,278 km (0.115 R)
• M10: 5,227,997 km (0.098 R)
• M11: 5,803,350 km (0.117 R)
• M12: 6,397,703 km (0.097 R)
• M13: 7,579,675 km (0.117 R)
• M14: 7,995,707 km (0.111 R)
• M15: 8,788,576 km (0.117 R)
• M16: 9,633,056 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.4

Radius: 13.5

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.75 AU - 2.03 AU

Year: 1705 Days

Day: 14.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 85,033,962 km

• M1: 168,148 km (0.117 R)
• M2: 1,075,908 km (0.093 R)
• M3: 1,510,191 km (0.115 R)
• M4: 2,099,307 km (0.082 R)
• M5: 2,697,998 km (0.112 R)
• M6: 3,491,913 km (0.05 R)
• M7: 4,073,251 km (0.109 R)
• M8: 5,754,880 km (0.111 R)
• M9: 6,289,693 km (0.115 R)
• M10: 7,126,992 km (0.069 R)
• M11: 8,246,433 km (0.105 R)
• M12: 9,120,234 km (0.115 R)
• M13: 10,020,365 km (0.06 R)
• M14: 11,237,194 km (0.083 R)
• M15: 15,250,456 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.7

Radius: 10.9

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.94 AU - 2.72 AU

Year: 2333 Days

Day: 15 Hours

Environment

Temp: -205 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 85,033,962 km

• M1: 135,984 km (0.079 R)
• M2: 488,138 km (0.088 R)
• M3: 855,401 km (0.053 R)
• M4: 1,498,821 km (0.118 R)
• M5: 2,794,937 km (0.108 R)
• M6: 3,327,356 km (0.079 R)
• M7: 3,778,244 km (0.106 R)
• M8: 4,252,020 km (0.087 R)
• M9: 4,614,496 km (0.091 R)
• M10: 6,628,532 km (0.117 R)
• M11: 7,193,114 km (0.096 R)
• M12: 7,950,528 km (0.09 R)
• M13: 9,532,227 km (0.117 R)
• M14: 10,941,139 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.5

Radius: 8.7

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.38 AU - 3.5 AU

Year: 3307 Days

Day: 5.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 85,033,962 km

• M1: 108,608 km (0.109 R)
• M2: 558,898 km (0.12 R)
• M3: 927,058 km (0.114 R)
• M4: 1,331,870 km (0.113 R)
• M5: 2,120,999 km (0.085 R)
• M6: 2,574,430 km (0.087 R)
• M7: 3,141,555 km (0.068 R)
• M8: 4,024,482 km (0.093 R)
• M9: 4,331,906 km (0.111 R)
• M10: 4,948,099 km (0.066 R)
• M11: 5,571,324 km (0.116 R)
• M12: 6,112,120 km (0.117 R)
• M13: 9,179,924 km (0.08 R)
• M14: 9,860,893 km (0.102 R)
• M15: 11,083,407 km (0.083 R)
• M16: 12,749,927 km (0.095 R)
• M17: 13,597,399 km (0.095 R)
• M18: 17,690,098 km (0.093 R)
• M19: 19,199,540 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741

Radius: 12.6

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.85 AU - 5.39 AU

Year: 6514 Days

Day: 13.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 85,033,962 km

• M1: 156,629 km (0.083 R)
• M2: 559,496 km (0.094 R)
• M3: 1,528,591 km (0.101 R)
• M4: 1,932,505 km (0.102 R)
• M5: 2,425,879 km (0.079 R)
• M6: 2,884,546 km (0.038 R)
• M7: 3,811,155 km (0.109 R)
• M8: 5,393,751 km (0.041 R)
• M9: 6,762,422 km (0.086 R)
• M10: 7,565,912 km (0.107 R)
• M11: 8,350,703 km (0.114 R)
• M12: 9,673,597 km (0.073 R)
• M13: 11,991,317 km (0.031 R)
• M14: 13,615,201 km (0.077 R)
• M15: 16,192,324 km (0.11 R)
• M16: 16,705,445 km (0.071 R)
• M17: 17,097,391 km (0.109 R)
• M18: 17,967,751 km (0.05 R)
• M19: 18,517,823 km (0.1 R)
• M20: 19,435,755 km (0.116 R)
• M21: 25,077,540 km (0.043 R)
• M22: 26,908,917 km (0.094 R)
• M23: 29,964,304 km (0.077 R)
• M24: 32,125,395 km (0.103 R)
• M25: 34,178,476 km (0.068 R)
• M26: 34,705,060 km (0.111 R)
• M27: 36,976,405 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.9

Radius: 11.9

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 4.74 AU - 5.94 AU

Year: 8095 Days

Day: 14.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 85,033,962 km

• M1: 148,251 km (0.072 R)
• M2: 882,179 km (0.075 R)
• M3: 1,358,199 km (0.12 R)
• M4: 1,892,413 km (0.096 R)
• M5: 2,286,454 km (0.051 R)
• M6: 3,334,985 km (0.068 R)
• M7: 3,855,586 km (0.095 R)
• M8: 4,232,273 km (0.069 R)
• M9: 4,891,551 km (0.094 R)
• M10: 5,994,087 km (0.1 R)
• M11: 6,648,429 km (0.098 R)
• M12: 7,193,264 km (0.075 R)
• M13: 7,605,107 km (0.119 R)
• M14: 9,338,348 km (0.06 R)
• M15: 10,061,654 km (0.119 R)
• M16: 10,699,240 km (0.087 R)
• M17: 13,475,776 km (0.059 R)
• M18: 17,709,396 km (0.09 R)
• M19: 18,170,606 km (0.101 R)
• M20: 20,979,306 km (0.103 R)
• M21: 21,626,167 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 575.6

Radius: 4.5

Gravity: 28.42 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 6.35 AU - 6.47 AU

Year: 10646 Days

Day: 24.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 85,033,962 km

• M1: 55,950 km (0.102 R)
• M2: 221,405 km (0.064 R)
• M3: 952,490 km (0.092 R)
• M4: 1,112,260 km (0.091 R)
• M5: 1,392,457 km (0.106 R)
• M6: 2,145,533 km (0.11 R)
• M7: 2,807,354 km (0.104 R)
• M8: 3,208,276 km (0.102 R)
• M9: 3,723,192 km (0.066 R)
• M10: 4,581,285 km (0.069 R)
• M11: 5,363,532 km (0.074 R)
• M12: 6,911,122 km (0.113 R)
• M13: 9,878,546 km (0.043 R)
• M14: 10,486,960 km (0.053 R)
• M15: 11,066,353 km (0.089 R)
• M16: 13,475,477 km (0.108 R)
• M17: 14,478,381 km (0.095 R)
• M18: 14,867,036 km (0.069 R)
• M19: 20,007,668 km (0.099 R)
• M20: 22,152,453 km (0.119 R)
• M21: 26,313,817 km (0.116 R)
• M22: 28,577,232 km (0.056 R)
• M23: 30,121,382 km (0.116 R)
• M24: 33,151,038 km (0.11 R)
• M25: 40,060,515 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 853

Radius: 6.8

Gravity: 18.45 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 10.8 AU - 11.12 AU

Year: 23803 Days

Day: 15.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 85,033,962 km

• M1: 87,515 km (0.084 R)
• M2: 647,460 km (0.11 R)
• M3: 899,233 km (0.055 R)
• M4: 1,502,561 km (0.089 R)
• M5: 1,892,413 km (0.108 R)
• M6: 3,758,647 km (0.081 R)
• M7: 4,056,346 km (0.088 R)
• M8: 4,587,718 km (0.057 R)
• M9: 5,164,418 km (0.098 R)
• M10: 7,438,156 km (0.088 R)
• M11: 7,749,618 km (0.085 R)
• M12: 9,620,489 km (0.04 R)
• M13: 10,115,808 km (0.067 R)
• M14: 10,956,698 km (0.058 R)
• M15: 13,992,188 km (0.094 R)
• M16: 15,701,643 km (0.112 R)
• M17: 18,852,473 km (0.118 R)
• M18: 20,122,858 km (0.087 R)
• M19: 24,616,330 km (0.063 R)
• M20: 25,076,193 km (0.103 R)
• M21: 39,928,120 km (0.032 R)
• M22: 41,528,070 km (0.099 R)
• M23: 43,839,058 km (0.051 R)
• M24: 47,287,289 km (0.119 R)
• M25: 48,356,016 km (0.107 R)
• M26: 50,172,882 km (0.091 R)
• M27: 52,034,627 km (0.113 R)
• M28: 53,749,318 km (0.102 R)
• M29: 55,501,259 km (0.084 R)
• M30: 56,093,517 km (0.118 R)
• M31: 57,895,872 km (0.091 R)
• M32: 58,301,581 km (0.043 R)
• M33: 78,584,360 km (0.072 R)
• M34: 79,831,707 km (0.043 R)
• M35: 81,600,103 km (0.115 R)
• M36: 89,745,857 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 649.8

Radius: 5.5

Gravity: 21.48 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 9.92 AU - 12.28 AU

Year: 24260 Days

Day: 20.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 85,033,962 km

• M1: 80,334 km (0.097 R)
• M2: 286,929 km (0.068 R)
• M3: 642,074 km (0.116 R)
• M4: 924,664 km (0.091 R)
• M5: 1,243,009 km (0.073 R)
• M6: 2,205,671 km (0.113 R)
• M7: 2,432,013 km (0.085 R)
• M8: 3,205,882 km (0.095 R)
• M9: 3,618,473 km (0.108 R)
• M10: 4,302,734 km (0.073 R)
• M11: 5,186,409 km (0.087 R)
• M12: 7,657,017 km (0.109 R)
• M13: 7,914,625 km (0.05 R)
• M14: 10,817,123 km (0.077 R)
• M15: 14,672,260 km (0.115 R)
• M16: 15,720,791 km (0.029 R)
• M17: 17,875,898 km (0.118 R)
• M18: 23,618,063 km (0.044 R)
• M19: 26,315,612 km (0.099 R)
• M20: 27,497,734 km (0.066 R)
• M21: 28,468,624 km (0.049 R)
• M22: 45,222,539 km (0.091 R)
• M23: 50,427,797 km (0.103 R)
• M24: 56,018,419 km (0.088 R)
• M25: 77,374,562 km (0.083 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 246 - 19,428 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit