🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.85 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.8

Radius: 14.8

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.52 AU - 1.86 AU

Year: 1441 Days

Day: 7.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,461,728 km

• M1: 188,045 km (0.103 R)
• M2: 1,024,596 km (0.118 R)
• M3: 1,520,214 km (0.096 R)
• M4: 2,012,091 km (0.113 R)
• M5: 2,745,719 km (0.114 R)
• M6: 3,424,894 km (0.086 R)
• M7: 3,997,704 km (0.067 R)
• M8: 4,854,301 km (0.117 R)
• M9: 5,670,358 km (0.056 R)
• M10: 6,256,033 km (0.109 R)
• M11: 6,907,831 km (0.104 R)
• M12: 7,999,148 km (0.08 R)
• M13: 10,523,761 km (0.065 R)
• M14: 11,230,013 km (0.117 R)
• M15: 11,892,732 km (0.094 R)
• M16: 13,054,957 km (0.082 R)
• M17: 13,663,970 km (0.061 R)
• M18: 14,376,954 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.2

Radius: 14.2

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.43 AU - 1.97 AU

Year: 1454 Days

Day: 12.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,461,728 km

• M1: 176,825 km (0.101 R)
• M2: 680,072 km (0.117 R)
• M3: 1,124,527 km (0.096 R)
• M4: 2,364,843 km (0.067 R)
• M5: 2,838,470 km (0.113 R)
• M6: 4,436,923 km (0.117 R)
• M7: 7,188,028 km (0.1 R)
• M8: 8,705,100 km (0.11 R)
• M9: 10,199,732 km (0.094 R)
• M10: 10,856,916 km (0.112 R)
• M11: 11,753,157 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.1

Radius: 11.3

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.98 AU - 2.38 AU

Year: 2112 Days

Day: 8.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,461,728 km

• M1: 140,472 km (0.081 R)
• M2: 524,191 km (0.044 R)
• M3: 938,577 km (0.106 R)
• M4: 2,013,288 km (0.078 R)
• M5: 2,373,370 km (0.095 R)
• M6: 2,734,350 km (0.06 R)
• M7: 3,337,828 km (0.067 R)
• M8: 3,793,952 km (0.108 R)
• M9: 4,291,365 km (0.109 R)
• M10: 4,708,144 km (0.101 R)
• M11: 5,195,684 km (0.081 R)
• M12: 5,670,058 km (0.028 R)
• M13: 6,653,814 km (0.107 R)
• M14: 7,491,861 km (0.062 R)
• M15: 7,921,955 km (0.117 R)
• M16: 9,443,216 km (0.035 R)
• M17: 10,048,190 km (0.098 R)
• M18: 10,643,141 km (0.111 R)
• M19: 13,261,253 km (0.07 R)
• M20: 14,367,080 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.2

Radius: 13.7

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.82 AU - 2.64 AU

Year: 2185 Days

Day: 14.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,461,728 km

• M1: 170,990 km (0.085 R)
• M2: 627,862 km (0.054 R)
• M3: 1,065,735 km (0.119 R)
• M4: 1,782,608 km (0.086 R)
• M5: 3,527,219 km (0.112 R)
• M6: 5,091,115 km (0.107 R)
• M7: 6,452,904 km (0.109 R)
• M8: 7,247,568 km (0.111 R)
• M9: 9,607,474 km (0.041 R)
• M10: 10,099,053 km (0.1 R)
• M11: 10,570,586 km (0.11 R)
• M12: 11,056,928 km (0.12 R)
• M13: 11,636,470 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.6

Radius: 14.1

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.01 AU - 3.13 AU

Year: 2703 Days

Day: 6.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,461,728 km

• M1: 238,758 km (0.117 R)
• M2: 799,601 km (0.113 R)
• M3: 1,421,629 km (0.041 R)
• M4: 2,386,684 km (0.05 R)
• M5: 2,854,178 km (0.104 R)
• M6: 5,284,545 km (0.115 R)
• M7: 6,114,215 km (0.05 R)
• M8: 6,696,300 km (0.11 R)
• M9: 8,378,378 km (0.064 R)
• M10: 9,030,924 km (0.115 R)
• M11: 10,811,438 km (0.058 R)
• M12: 15,439,099 km (0.083 R)
• M13: 16,673,580 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.6

Radius: 11.3

Gravity: 7.04 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.3 AU - 2.88 AU

Year: 2734 Days

Day: 14.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,461,728 km

• M1: 142,567 km (0.076 R)
• M2: 558,598 km (0.068 R)
• M3: 1,326,784 km (0.08 R)
• M4: 2,334,774 km (0.055 R)
• M5: 2,756,490 km (0.055 R)
• M6: 3,282,776 km (0.106 R)
• M7: 3,834,941 km (0.03 R)
• M8: 4,814,059 km (0.099 R)
• M9: 6,089,531 km (0.107 R)
• M10: 7,108,143 km (0.114 R)
• M11: 10,684,729 km (0.062 R)
• M12: 11,900,211 km (0.111 R)
• M13: 13,487,445 km (0.103 R)
• M14: 14,905,782 km (0.047 R)
• M15: 15,469,018 km (0.103 R)
• M16: 17,077,495 km (0.032 R)
• M17: 21,973,833 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.2

Radius: 9.1

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.57 AU - 3.29 AU

Year: 3290 Days

Day: 12.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,461,728 km

• M1: 117,285 km (0.106 R)
• M2: 406,308 km (0.049 R)
• M3: 953,088 km (0.115 R)
• M4: 3,818,336 km (0.082 R)
• M5: 5,718,379 km (0.084 R)
• M6: 7,759,642 km (0.099 R)
• M7: 8,992,328 km (0.104 R)
• M8: 10,894,166 km (0.074 R)
• M9: 14,074,018 km (0.109 R)
• M10: 14,876,611 km (0.053 R)
• M11: 15,242,976 km (0.095 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.2

Radius: 10.8

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.84 AU - 4.02 AU

Year: 5111 Days

Day: 5.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,461,728 km

• M1: 134,339 km (0.087 R)
• M2: 475,721 km (0.096 R)
• M3: 1,056,161 km (0.119 R)
• M4: 1,825,692 km (0.095 R)
• M5: 2,260,274 km (0.053 R)
• M6: 3,078,724 km (0.094 R)
• M7: 3,910,040 km (0.032 R)
• M8: 5,036,212 km (0.111 R)
• M9: 6,247,506 km (0.084 R)
• M10: 8,378,827 km (0.102 R)
• M11: 11,349,841 km (0.094 R)
• M12: 12,685,151 km (0.076 R)
• M13: 13,765,846 km (0.104 R)
• M14: 14,328,783 km (0.086 R)
• M15: 16,335,788 km (0.093 R)
• M16: 17,141,822 km (0.067 R)
• M17: 17,554,712 km (0.03 R)
• M18: 18,585,142 km (0.08 R)
• M19: 19,719,543 km (0.091 R)
• M20: 21,100,780 km (0.074 R)
• M21: 22,828,037 km (0.053 R)
• M22: 23,762,425 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 518.5

Radius: 8

Gravity: 8.1 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 4.54 AU - 7.48 AU

Year: 9665 Days

Day: 21.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,461,728 km

• M1: 100,081 km (0.118 R)
• M2: 430,243 km (0.08 R)
• M3: 865,723 km (0.113 R)
• M4: 1,227,002 km (0.057 R)
• M5: 1,701,227 km (0.116 R)
• M6: 3,753,560 km (0.102 R)
• M7: 4,959,917 km (0.076 R)
• M8: 5,521,508 km (0.09 R)
• M9: 6,229,255 km (0.099 R)
• M10: 10,009,594 km (0.113 R)
• M11: 11,373,029 km (0.116 R)
• M12: 16,947,195 km (0.115 R)
• M13: 17,645,218 km (0.049 R)
• M14: 19,098,562 km (0.101 R)
• M15: 20,007,967 km (0.105 R)
• M16: 21,994,777 km (0.05 R)
• M17: 22,324,490 km (0.111 R)
• M18: 25,261,246 km (0.074 R)
• M19: 26,541,953 km (0.075 R)
• M20: 27,961,488 km (0.03 R)
• M21: 36,397,162 km (0.117 R)
• M22: 39,831,181 km (0.086 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 579.4

Radius: 4.5

Gravity: 28.61 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 4.86 AU - 7.2 AU

Year: 9714 Days

Day: 16.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 44,461,728 km

• M1: 55,950 km (0.113 R)
• M2: 461,360 km (0.112 R)
• M3: 647,160 km (0.106 R)
• M4: 809,773 km (0.081 R)
• M5: 979,417 km (0.07 R)
• M6: 1,378,844 km (0.082 R)
• M7: 1,847,833 km (0.041 R)
• M8: 2,397,605 km (0.067 R)
• M9: 2,690,069 km (0.106 R)
• M10: 3,635,976 km (0.086 R)
• M11: 3,968,981 km (0.111 R)
• M12: 4,755,118 km (0.104 R)
• M13: 5,153,347 km (0.032 R)
• M14: 5,774,927 km (0.059 R)
• M15: 5,981,222 km (0.1 R)
• M16: 7,938,112 km (0.105 R)
• M17: 9,647,567 km (0.109 R)
• M18: 9,792,228 km (0.104 R)
• M19: 13,652,152 km (0.066 R)
• M20: 15,882,208 km (0.082 R)
• M21: 17,688,003 km (0.112 R)
• M22: 26,375,451 km (0.079 R)
• M23: 28,399,211 km (0.029 R)
• M24: 29,906,410 km (0.051 R)
• M25: 30,627,770 km (0.069 R)
• M26: 32,427,732 km (0.037 R)
• M27: 33,189,036 km (0.117 R)
• M28: 34,973,589 km (0.118 R)
• M29: 35,200,977 km (0.064 R)
• M30: 37,292,954 km (0.075 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 329 - 19,748 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit