🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.2

Radius: 11.6

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.54 AU - 0.8 AU

Year: 372 Days

Day: 13.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,558,108 km

• M1: 145,110 km (0.05 R)
• M2: 509,530 km (0.061 R)
• M3: 943,963 km (0.049 R)
• M4: 1,706,313 km (0.11 R)
• M5: 2,383,244 km (0.071 R)
• M6: 3,424,295 km (0.086 R)
• M7: 3,899,268 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.8

Radius: 10.6

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.18 AU - 2.78 AU

Year: 2649 Days

Day: 11.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,558,108 km

• M1: 133,142 km (0.102 R)
• M2: 479,312 km (0.061 R)
• M3: 922,271 km (0.093 R)
• M4: 1,987,258 km (0.07 R)
• M5: 2,590,437 km (0.081 R)
• M6: 2,971,911 km (0.108 R)
• M7: 4,146,853 km (0.119 R)
• M8: 5,759,668 km (0.108 R)
• M9: 6,706,921 km (0.1 R)
• M10: 7,477,650 km (0.106 R)
• M11: 7,943,797 km (0.1 R)
• M12: 8,306,272 km (0.081 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 252

Radius: 3.7

Gravity: 18.41 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 4.72 AU - 6.6 AU

Year: 9133 Days

Day: 24.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 65,558,108 km

• M1: 46,226 km (0.085 R)
• M2: 308,172 km (0.097 R)
• M3: 444,006 km (0.096 R)
• M4: 639,980 km (0.088 R)
• M5: 1,144,125 km (0.035 R)
• M6: 1,281,605 km (0.026 R)
• M7: 1,564,943 km (0.096 R)
• M8: 1,902,735 km (0.027 R)
• M9: 2,035,728 km (0.065 R)
• M10: 2,703,383 km (0.079 R)
• M11: 3,168,034 km (0.044 R)
• M12: 3,505,976 km (0.115 R)
• M13: 4,507,384 km (0.071 R)
• M14: 4,771,274 km (0.078 R)
• M15: 5,655,248 km (0.071 R)
• M16: 6,950,018 km (0.078 R)
• M17: 9,712,642 km (0.088 R)
• M18: 12,502,343 km (0.12 R)
• M19: 14,727,611 km (0.086 R)
• M20: 17,394,792 km (0.082 R)
• M21: 21,674,188 km (0.068 R)
• M22: 22,424,272 km (0.085 R)
• M23: 22,652,558 km (0.043 R)
• M24: 23,269,051 km (0.117 R)
• M25: 24,214,659 km (0.083 R)
• M26: 25,597,841 km (0.092 R)
• M27: 28,165,390 km (0.064 R)
• M28: 29,693,981 km (0.083 R)
• M29: 30,993,537 km (0.079 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 365.7

Radius: 3.4

Gravity: 31.63 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 5.12 AU - 6.56 AU

Year: 9572 Days

Day: 18.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,558,108 km

• M1: 48,619 km (0.092 R)
• M2: 305,180 km (0.112 R)
• M3: 507,286 km (0.066 R)
• M4: 924,814 km (0.118 R)
• M5: 1,060,799 km (0.09 R)
• M6: 1,422,825 km (0.073 R)
• M7: 1,645,876 km (0.072 R)
• M8: 2,047,696 km (0.05 R)
• M9: 3,190,623 km (0.085 R)
• M10: 3,984,090 km (0.053 R)
• M11: 4,319,639 km (0.115 R)
• M12: 4,480,606 km (0.086 R)
• M13: 4,645,612 km (0.092 R)
• M14: 5,377,445 km (0.116 R)
• M15: 7,594,934 km (0.079 R)
• M16: 8,647,355 km (0.07 R)
• M17: 9,610,766 km (0.11 R)
• M18: 14,418,542 km (0.074 R)
• M19: 19,575,779 km (0.081 R)
• M20: 22,642,685 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 282.3

Radius: 7

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 5.6 AU - 7.9 AU

Year: 11895 Days

Day: 20.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 65,558,108 km

• M1: 88,412 km (0.11 R)
• M2: 632,500 km (0.117 R)
• M3: 1,347,877 km (0.113 R)
• M4: 2,110,976 km (0.045 R)
• M5: 2,439,044 km (0.117 R)
• M6: 3,330,946 km (0.083 R)
• M7: 3,826,115 km (0.085 R)
• M8: 4,617,338 km (0.066 R)
• M9: 5,202,565 km (0.061 R)
• M10: 6,069,485 km (0.062 R)
• M11: 6,343,997 km (0.107 R)
• M12: 6,590,983 km (0.1 R)
• M13: 7,029,155 km (0.093 R)
• M14: 9,201,167 km (0.086 R)
• M15: 9,426,760 km (0.107 R)
• M16: 9,748,844 km (0.107 R)
• M17: 10,269,744 km (0.117 R)
• M18: 11,522,327 km (0.067 R)
• M19: 13,616,847 km (0.117 R)
• M20: 16,278,642 km (0.117 R)
• M21: 17,835,806 km (0.028 R)
• M22: 21,164,957 km (0.063 R)
• M23: 21,400,574 km (0.114 R)
• M24: 21,877,193 km (0.113 R)
• M25: 23,685,232 km (0.096 R)
• M26: 23,939,250 km (0.076 R)
• M27: 26,947,064 km (0.111 R)
• M28: 27,783,466 km (0.085 R)
• M29: 32,957,907 km (0.105 R)
• M30: 37,349,951 km (0.107 R)
• M31: 39,566,542 km (0.095 R)
• M32: 39,924,381 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 175.6

Radius: 3.2

Gravity: 17.15 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 7.05 AU - 11.37 AU

Year: 18957 Days

Day: 22 Hours

Environment

Temp: -235 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,558,108 km

• M1: 39,943 km (0.091 R)
• M2: 144,512 km (0.117 R)
• M3: 281,094 km (0.05 R)
• M4: 441,314 km (0.073 R)
• M5: 877,840 km (0.101 R)
• M6: 1,936,844 km (0.034 R)
• M7: 5,097,398 km (0.089 R)
• M8: 5,760,715 km (0.11 R)
• M9: 7,666,891 km (0.034 R)
• M10: 13,376,593 km (0.083 R)
• M11: 19,077,169 km (0.09 R)
• M12: 21,480,908 km (0.06 R)
• M13: 23,989,066 km (0.082 R)
• M14: 28,056,781 km (0.119 R)
• M15: 28,256,495 km (0.11 R)
• M16: 32,451,069 km (0.082 R)
• M17: 33,898,728 km (0.064 R)
• M18: 35,389,022 km (0.039 R)
• M19: 38,993,433 km (0.044 R)
• M20: 40,501,080 km (0.118 R)
• M21: 43,365,281 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 250.3

Radius: 6.2

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 9.42 AU - 9.98 AU

Year: 20490 Days

Day: 23.7 Hours

Environment

Temp: -244 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,558,108 km

• M1: 161,117 km (0.119 R)
• M2: 1,835,715 km (0.08 R)
• M3: 2,546,904 km (0.105 R)
• M4: 2,783,717 km (0.064 R)
• M5: 4,344,921 km (0.107 R)
• M6: 4,715,923 km (0.111 R)
• M7: 7,839,527 km (0.076 R)
• M8: 8,964,652 km (0.107 R)
• M9: 22,996,334 km (0.104 R)
• M10: 23,741,631 km (0.095 R)
• M11: 32,332,438 km (0.115 R)
• M12: 52,195,445 km (0.106 R)
• M13: 55,282,696 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 334.8

Radius: 7.7

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 9.09 AU - 11.79 AU

Year: 22879 Days

Day: 17.6 Hours

Environment

Temp: -246 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 65,558,108 km

• M1: 95,743 km (0.117 R)
• M2: 363,822 km (0.111 R)
• M3: 667,954 km (0.066 R)
• M4: 913,145 km (0.117 R)
• M5: 1,313,918 km (0.065 R)
• M6: 1,934,899 km (0.105 R)
• M7: 2,301,713 km (0.078 R)
• M8: 4,774,566 km (0.109 R)
• M9: 5,748,448 km (0.025 R)
• M10: 6,021,314 km (0.111 R)
• M11: 6,302,857 km (0.072 R)
• M12: 7,067,303 km (0.118 R)
• M13: 10,008,098 km (0.07 R)
• M14: 14,664,032 km (0.118 R)
• M15: 15,248,661 km (0.068 R)
• M16: 17,176,080 km (0.081 R)
• M17: 17,498,762 km (0.118 R)
• M18: 18,915,903 km (0.052 R)
• M19: 26,730,297 km (0.073 R)
• M20: 29,749,182 km (0.073 R)
• M21: 31,762,321 km (0.065 R)
• M22: 32,494,004 km (0.113 R)
• M23: 40,297,777 km (0.119 R)
• M24: 43,950,358 km (0.077 R)
• M25: 46,556,503 km (0.088 R)
• M26: 47,977,084 km (0.079 R)
• M27: 54,467,687 km (0.077 R)
• M28: 60,770,096 km (0.106 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 449 - 17,338 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit