🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.7

Radius: 12.9

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.86 AU - 0.92 AU

Year: 580 Days

Day: 5.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,474,380 km

• M1: 160,519 km (0.099 R)
• M2: 602,730 km (0.118 R)
• M3: 1,132,755 km (0.096 R)
• M4: 1,905,578 km (0.032 R)
• M5: 2,429,320 km (0.095 R)
• M6: 2,894,420 km (0.103 R)
• M7: 3,557,288 km (0.08 R)
• M8: 4,174,229 km (0.092 R)
• M9: 4,675,981 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.2

Radius: 13.3

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.03 AU - 1.23 AU

Year: 829 Days

Day: 7.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 63,474,380 km

• M1: 207,791 km (0.119 R)
• M2: 658,530 km (0.042 R)
• M3: 1,382,883 km (0.097 R)
• M4: 2,032,287 km (0.084 R)
• M5: 3,740,994 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.5

Radius: 13.6

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.37 AU - 3.61 AU

Year: 3569 Days

Day: 7.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,474,380 km

• M1: 169,195 km (0.074 R)
• M2: 640,428 km (0.103 R)
• M3: 1,348,625 km (0.112 R)
• M4: 1,830,480 km (0.082 R)
• M5: 2,443,232 km (0.052 R)
• M6: 3,190,623 km (0.113 R)
• M7: 3,878,026 km (0.038 R)
• M8: 4,779,652 km (0.079 R)
• M9: 5,217,675 km (0.078 R)
• M10: 5,789,737 km (0.049 R)
• M11: 6,432,260 km (0.05 R)
• M12: 6,876,715 km (0.093 R)
• M13: 8,027,871 km (0.079 R)
• M14: 9,229,590 km (0.069 R)
• M15: 10,187,166 km (0.103 R)
• M16: 11,508,415 km (0.101 R)
• M17: 15,996,800 km (0.116 R)
• M18: 16,539,989 km (0.086 R)
• M19: 18,420,584 km (0.058 R)
• M20: 19,813,191 km (0.105 R)
• M21: 21,601,783 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.7

Radius: 10.7

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 3.75 AU - 4.05 AU

Year: 5316 Days

Day: 12.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,474,380 km

• M1: 133,591 km (0.118 R)
• M2: 550,819 km (0.074 R)
• M3: 1,846,935 km (0.118 R)
• M4: 2,480,482 km (0.1 R)
• M5: 2,821,865 km (0.093 R)
• M6: 4,110,052 km (0.115 R)
• M7: 5,110,562 km (0.113 R)
• M8: 6,548,796 km (0.06 R)
• M9: 7,038,729 km (0.065 R)
• M10: 7,801,529 km (0.118 R)
• M11: 8,427,895 km (0.114 R)
• M12: 11,320,669 km (0.109 R)
• M13: 11,741,338 km (0.092 R)
• M14: 13,686,111 km (0.114 R)
• M15: 16,363,613 km (0.089 R)
• M16: 17,762,802 km (0.118 R)
• M17: 19,505,169 km (0.1 R)
• M18: 20,589,903 km (0.098 R)
• M19: 24,085,706 km (0.106 R)
• M20: 24,782,533 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 655.4

Radius: 3.2

Gravity: 64 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 6.52 AU - 10.34 AU

Year: 16895 Days

Day: 19.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 63,474,380 km

• M1: 39,793 km (0.112 R)
• M2: 167,400 km (0.11 R)
• M3: 380,577 km (0.116 R)
• M4: 543,938 km (0.051 R)
• M5: 651,050 km (0.096 R)
• M6: 1,902,436 km (0.07 R)
• M7: 2,015,383 km (0.113 R)
• M8: 2,424,383 km (0.062 R)
• M9: 2,960,243 km (0.078 R)
• M10: 3,459,152 km (0.082 R)
• M11: 5,900,738 km (0.086 R)
• M12: 6,182,282 km (0.087 R)
• M13: 6,347,138 km (0.083 R)
• M14: 9,079,843 km (0.104 R)
• M15: 13,932,349 km (0.077 R)
• M16: 24,515,501 km (0.111 R)
• M17: 30,609,220 km (0.116 R)
• M18: 34,452,090 km (0.058 R)
• M19: 39,727,360 km (0.059 R)
• M20: 40,727,721 km (0.042 R)
• M21: 42,186,001 km (0.113 R)
• M22: 42,481,756 km (0.103 R)
• M23: 49,671,729 km (0.084 R)
• M24: 50,999,709 km (0.116 R)
• M25: 54,247,778 km (0.064 R)
• M26: 54,948,794 km (0.116 R)
• M27: 57,631,084 km (0.098 R)
• M28: 66,399,015 km (0.054 R)
• M29: 66,999,800 km (0.03 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 759.2

Radius: 5.5

Gravity: 25.1 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 9.24 AU - 9.36 AU

Year: 19577 Days

Day: 17.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 63,474,380 km

• M1: 70,461 km (0.102 R)
• M2: 463,005 km (0.118 R)
• M3: 746,344 km (0.074 R)
• M4: 1,511,686 km (0.113 R)
• M5: 1,698,983 km (0.079 R)
• M6: 1,921,136 km (0.101 R)
• M7: 2,881,105 km (0.075 R)
• M8: 4,357,936 km (0.112 R)
• M9: 4,740,308 km (0.078 R)
• M10: 4,921,321 km (0.086 R)
• M11: 5,413,797 km (0.039 R)
• M12: 6,234,790 km (0.068 R)
• M13: 8,862,028 km (0.116 R)
• M14: 10,417,248 km (0.066 R)
• M15: 14,356,160 km (0.099 R)
• M16: 14,890,074 km (0.117 R)
• M17: 17,586,277 km (0.108 R)
• M18: 18,552,829 km (0.041 R)
• M19: 20,115,378 km (0.119 R)
• M20: 22,063,442 km (0.044 R)
• M21: 22,569,532 km (0.051 R)
• M22: 26,330,422 km (0.078 R)
• M23: 29,869,608 km (0.107 R)
• M24: 30,116,146 km (0.052 R)
• M25: 30,738,622 km (0.112 R)
• M26: 37,873,843 km (0.084 R)
• M27: 39,038,462 km (0.036 R)
• M28: 40,981,589 km (0.12 R)
• M29: 46,863,478 km (0.09 R)
• M30: 56,232,493 km (0.104 R)
• M31: 57,365,847 km (0.097 R)
• M32: 57,938,059 km (0.111 R)
• M33: 62,051,551 km (0.088 R)
• M34: 65,728,667 km (0.117 R)
• M35: 71,954,182 km (0.117 R)
• M36: 73,289,493 km (0.112 R)
• M37: 73,738,286 km (0.087 R)
• M38: 74,414,918 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 654.6

Radius: 7.5

Gravity: 11.64 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 7.93 AU - 10.71 AU

Year: 19640 Days

Day: 16.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,474,380 km

• M1: 97,388 km (0.109 R)
• M2: 419,472 km (0.092 R)
• M3: 993,031 km (0.057 R)
• M4: 1,934,450 km (0.095 R)
• M5: 2,170,815 km (0.106 R)
• M6: 2,702,785 km (0.043 R)
• M7: 3,429,681 km (0.116 R)
• M8: 7,385,497 km (0.114 R)
• M9: 7,869,446 km (0.109 R)
• M10: 8,477,711 km (0.106 R)
• M11: 9,062,489 km (0.118 R)
• M12: 10,312,230 km (0.083 R)
• M13: 15,749,065 km (0.05 R)
• M14: 22,634,756 km (0.09 R)
• M15: 26,672,702 km (0.119 R)
• M16: 32,427,582 km (0.075 R)
• M17: 48,789,550 km (0.107 R)
• M18: 54,543,683 km (0.081 R)
• M19: 68,634,456 km (0.088 R)
• M20: 72,501,112 km (0.193 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 288.4

Radius: 5.1

Gravity: 11.09 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 7.95 AU - 13.05 AU

Year: 23485 Days

Day: 15.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 63,474,380 km

• M1: 64,177 km (0.084 R)
• M2: 222,901 km (0.04 R)
• M3: 586,124 km (0.081 R)
• M4: 785,688 km (0.098 R)
• M5: 973,284 km (0.063 R)
• M6: 1,339,499 km (0.076 R)
• M7: 1,658,442 km (0.074 R)
• M8: 2,180,539 km (0.116 R)
• M9: 2,712,808 km (0.079 R)
• M10: 3,301,475 km (0.116 R)
• M11: 3,941,754 km (0.084 R)
• M12: 4,121,721 km (0.091 R)
• M13: 5,070,021 km (0.086 R)
• M14: 5,246,996 km (0.107 R)
• M15: 5,803,350 km (0.054 R)
• M16: 6,235,538 km (0.115 R)
• M17: 7,120,111 km (0.039 R)
• M18: 7,432,621 km (0.109 R)
• M19: 7,615,429 km (0.11 R)
• M20: 12,889,053 km (0.046 R)
• M21: 14,456,540 km (0.088 R)
• M22: 14,813,331 km (0.116 R)
• M23: 20,624,011 km (0.119 R)
• M24: 22,188,356 km (0.09 R)
• M25: 28,119,613 km (0.084 R)
• M26: 28,452,318 km (0.061 R)
• M27: 32,408,284 km (0.102 R)
• M28: 34,264,345 km (0.111 R)
• M29: 34,898,490 km (0.113 R)
• M30: 35,154,303 km (0.104 R)
• M31: 35,799,369 km (0.101 R)
• M32: 37,379,571 km (0.055 R)
• M33: 46,444,305 km (0.118 R)
• M34: 53,917,017 km (0.073 R)
• M35: 56,692,955 km (0.076 R)
• M36: 59,745,350 km (0.104 R)
• M37: 62,152,081 km (0.11 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 338 - 15,166 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit