🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.2

Radius: 13.4

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.18 AU - 1.4 AU

Year: 1030 Days

Day: 11.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,222,951 km

• M1: 166,652 km (0.082 R)
• M2: 695,181 km (0.109 R)
• M3: 1,235,678 km (0.117 R)
• M4: 2,162,288 km (0.073 R)
• M5: 2,709,068 km (0.037 R)
• M6: 4,520,249 km (0.072 R)
• M7: 4,967,098 km (0.054 R)
• M8: 5,463,913 km (0.079 R)
• M9: 5,950,405 km (0.05 R)
• M10: 6,442,582 km (0.044 R)
• M11: 7,282,125 km (0.088 R)
• M12: 7,767,720 km (0.05 R)
• M13: 8,220,403 km (0.112 R)
• M14: 8,804,134 km (0.1 R)
• M15: 9,564,989 km (0.119 R)
• M16: 10,625,638 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.3

Radius: 10.3

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.14 AU - 1.5 AU

Year: 1066 Days

Day: 12.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,222,951 km

• M1: 128,205 km (0.107 R)
• M2: 518,207 km (0.057 R)
• M3: 907,461 km (0.094 R)
• M4: 1,258,417 km (0.111 R)
• M5: 2,083,300 km (0.113 R)
• M6: 2,465,523 km (0.117 R)
• M7: 3,966,288 km (0.077 R)
• M8: 4,405,059 km (0.077 R)
• M9: 5,246,248 km (0.093 R)
• M10: 7,151,526 km (0.12 R)
• M11: 8,285,777 km (0.088 R)
• M12: 9,422,571 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.5

Radius: 13.3

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.42 AU - 2.2 AU

Year: 1712 Days

Day: 6.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,222,951 km

• M1: 165,455 km (0.081 R)
• M2: 892,202 km (0.117 R)
• M3: 1,787,545 km (0.113 R)
• M4: 2,367,685 km (0.044 R)
• M5: 2,817,975 km (0.082 R)
• M6: 3,419,059 km (0.068 R)
• M7: 4,033,907 km (0.094 R)
• M8: 5,125,223 km (0.12 R)
• M9: 5,979,277 km (0.082 R)
• M10: 11,199,345 km (0.084 R)
• M11: 11,738,347 km (0.1 R)
• M12: 13,221,460 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.5

Radius: 12

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.87 AU - 3.17 AU

Year: 3689 Days

Day: 9.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,222,951 km

• M1: 149,299 km (0.073 R)
• M2: 671,246 km (0.075 R)
• M3: 1,180,028 km (0.108 R)
• M4: 1,692,999 km (0.056 R)
• M5: 3,104,305 km (0.091 R)
• M6: 3,710,476 km (0.052 R)
• M7: 4,255,910 km (0.09 R)
• M8: 5,005,994 km (0.056 R)
• M9: 6,706,772 km (0.029 R)
• M10: 7,252,056 km (0.091 R)
• M11: 7,931,380 km (0.076 R)
• M12: 8,764,490 km (0.111 R)
• M13: 10,949,517 km (0.106 R)
• M14: 14,556,172 km (0.11 R)
• M15: 15,036,381 km (0.084 R)
• M16: 16,084,913 km (0.057 R)
• M17: 16,483,292 km (0.059 R)
• M18: 20,173,572 km (0.068 R)
• M19: 20,570,455 km (0.11 R)
• M20: 24,832,199 km (0.069 R)
• M21: 25,288,323 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.8

Radius: 9.6

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.9 AU - 4.12 AU

Year: 4622 Days

Day: 9.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 34,222,951 km

• M1: 119,828 km (0.116 R)
• M2: 462,108 km (0.119 R)
• M3: 842,535 km (0.102 R)
• M4: 1,187,807 km (0.041 R)
• M5: 1,922,033 km (0.04 R)
• M6: 2,236,189 km (0.052 R)
• M7: 3,312,845 km (0.045 R)
• M8: 4,312,757 km (0.057 R)
• M9: 4,780,101 km (0.108 R)
• M10: 5,615,006 km (0.111 R)
• M11: 6,356,713 km (0.098 R)
• M12: 7,747,973 km (0.088 R)
• M13: 8,552,959 km (0.076 R)
• M14: 9,574,862 km (0.119 R)
• M15: 11,076,526 km (0.042 R)
• M16: 12,483,793 km (0.069 R)
• M17: 12,878,282 km (0.1 R)
• M18: 14,812,583 km (0.084 R)
• M19: 17,053,260 km (0.09 R)
• M20: 17,478,118 km (0.102 R)
• M21: 18,034,771 km (0.117 R)
• M22: 19,775,642 km (0.059 R)
• M23: 20,652,584 km (0.119 R)
• M24: 24,806,319 km (0.066 R)
• M25: 28,117,069 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.3

Radius: 9.3

Gravity: 11.38 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.84 AU - 4.64 AU

Year: 6137 Days

Day: 7.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 34,222,951 km

• M1: 115,639 km (0.11 R)
• M2: 417,976 km (0.081 R)
• M3: 716,873 km (0.11 R)
• M4: 1,045,988 km (0.093 R)
• M5: 1,368,073 km (0.077 R)
• M6: 1,902,586 km (0.08 R)
• M7: 3,105,353 km (0.114 R)
• M8: 4,107,808 km (0.087 R)
• M9: 5,131,357 km (0.043 R)
• M10: 6,630,776 km (0.108 R)
• M11: 8,237,008 km (0.105 R)
• M12: 8,825,826 km (0.087 R)
• M13: 12,909,698 km (0.118 R)
• M14: 15,643,001 km (0.063 R)
• M15: 18,104,484 km (0.095 R)
• M16: 18,668,767 km (0.11 R)
• M17: 20,432,227 km (0.083 R)
• M18: 21,510,827 km (0.094 R)
• M19: 22,626,828 km (0.08 R)
• M20: 23,364,345 km (0.11 R)
• M21: 27,478,885 km (0.11 R)
• M22: 29,950,690 km (0.06 R)
• M23: 30,640,636 km (0.104 R)
• M24: 31,543,309 km (0.12 R)
• M25: 34,788,386 km (0.06 R)
• M26: 36,102,155 km (0.086 R)
• M27: 38,596,101 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652

Radius: 13.3

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 4.49 AU - 6.31 AU

Year: 8821 Days

Day: 15 Hours

Environment

Temp: -223 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 34,222,951 km

• M1: 166,054 km (0.092 R)
• M2: 996,920 km (0.117 R)
• M3: 1,440,029 km (0.084 R)
• M4: 2,461,783 km (0.108 R)
• M5: 3,077,976 km (0.077 R)
• M6: 3,845,413 km (0.088 R)
• M7: 4,342,976 km (0.115 R)
• M8: 4,766,188 km (0.116 R)
• M9: 5,468,849 km (0.115 R)
• M10: 6,743,722 km (0.025 R)
• M11: 8,082,025 km (0.069 R)
• M12: 8,550,865 km (0.106 R)
• M13: 9,496,772 km (0.102 R)
• M14: 10,019,467 km (0.083 R)
• M15: 10,561,310 km (0.112 R)
• M16: 11,490,313 km (0.036 R)
• M17: 12,642,067 km (0.092 R)
• M18: 14,605,539 km (0.076 R)
• M19: 17,885,173 km (0.074 R)
• M20: 18,536,971 km (0.069 R)
• M21: 23,209,212 km (0.118 R)
• M22: 31,869,283 km (0.07 R)
• M23: 33,043,327 km (0.115 R)
• M24: 39,471,847 km (0.09 R)
• M25: 42,849,916 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 445.9

Radius: 5.4

Gravity: 15.29 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 7.25 AU - 7.55 AU

Year: 14150 Days

Day: 15.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 34,222,951 km

• M1: 67,917 km (0.1 R)
• M2: 392,844 km (0.12 R)
• M3: 1,277,715 km (0.099 R)
• M4: 1,670,559 km (0.085 R)
• M5: 3,540,832 km (0.099 R)
• M6: 3,750,867 km (0.087 R)
• M7: 4,613,299 km (0.039 R)
• M8: 5,156,938 km (0.109 R)
• M9: 5,959,231 km (0.076 R)
• M10: 6,447,967 km (0.058 R)
• M11: 8,209,931 km (0.05 R)
• M12: 8,578,690 km (0.111 R)
• M13: 9,398,785 km (0.094 R)
• M14: 9,956,486 km (0.052 R)
• M15: 10,375,660 km (0.034 R)
• M16: 10,916,306 km (0.099 R)
• M17: 12,409,443 km (0.097 R)
• M18: 12,650,594 km (0.089 R)
• M19: 13,330,068 km (0.059 R)
• M20: 18,234,634 km (0.051 R)
• M21: 21,085,521 km (0.077 R)
• M22: 21,256,810 km (0.036 R)
• M23: 24,313,843 km (0.096 R)
• M24: 32,980,496 km (0.091 R)
• M25: 41,722,248 km (0.111 R)
• M26: 41,992,422 km (0.102 R)
• M27: 42,263,792 km (0.068 R)
• M28: 44,476,943 km (0.084 R)
• M29: 46,186,697 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 66.3

Radius: 6.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 7.48 AU - 10.78 AU

Year: 19392 Days

Day: 24.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,222,951 km

• M1: 87,664 km (0.117 R)
• M2: 331,210 km (0.104 R)
• M3: 909,854 km (0.05 R)
• M4: 1,268,590 km (0.112 R)
• M5: 2,762,325 km (0.115 R)
• M6: 11,595,331 km (0.059 R)
• M7: 14,777,427 km (0.092 R)
• M8: 22,410,509 km (0.051 R)
• M9: 23,033,584 km (0.073 R)
• M10: 24,477,353 km (0.097 R)
• M11: 29,169,640 km (0.082 R)
• M12: 29,725,396 km (0.034 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 451 - 16,347 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit