🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684

Radius: 14.9

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.71 AU - 1.03 AU

Year: 541 Days

Day: 5.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 89.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,790,109 km

• M1: 185,352 km (0.119 R)
• M2: 805,285 km (0.107 R)
• M3: 1,331,571 km (0.085 R)
• M4: 2,093,921 km (0.056 R)
• M5: 2,684,833 km (0.047 R)
• M6: 3,301,625 km (0.036 R)
• M7: 3,862,318 km (0.078 R)
• M8: 4,516,509 km (0.092 R)
• M9: 5,063,140 km (0.054 R)
• M10: 5,689,207 km (0.1 R)
• M11: 6,539,222 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235

Radius: 10.8

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.94 AU - 1.12 AU

Year: 697 Days

Day: 14 Hours

Environment

Temp: -187 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,790,109 km

• M1: 134,339 km (0.087 R)
• M2: 569,369 km (0.03 R)
• M3: 914,641 km (0.09 R)
• M4: 1,268,141 km (0.058 R)
• M5: 1,637,199 km (0.11 R)
• M6: 1,989,203 km (0.064 R)
• M7: 2,560,667 km (0.06 R)
• M8: 2,954,259 km (0.119 R)
• M9: 3,458,703 km (0.101 R)
• M10: 4,302,285 km (0.033 R)
• M11: 5,405,270 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.5

Radius: 13.1

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.65 AU - 2.45 AU

Year: 1957 Days

Day: 7.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,790,109 km

• M1: 163,510 km (0.071 R)
• M2: 596,148 km (0.095 R)
• M3: 1,168,509 km (0.117 R)
• M4: 1,726,509 km (0.07 R)
• M5: 2,224,670 km (0.097 R)
• M6: 3,096,826 km (0.108 R)
• M7: 3,517,495 km (0.118 R)
• M8: 6,956,899 km (0.044 R)
• M9: 9,141,926 km (0.114 R)
• M10: 9,824,391 km (0.03 R)
• M11: 10,474,095 km (0.105 R)
• M12: 12,335,092 km (0.058 R)
• M13: 12,899,675 km (0.043 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 809.1

Radius: 7.1

Gravity: 16.05 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 5.62 AU - 6.6 AU

Year: 10071 Days

Day: 19.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,790,109 km

• M1: 88,412 km (0.119 R)
• M2: 316,549 km (0.116 R)
• M3: 1,088,624 km (0.109 R)
• M4: 1,474,287 km (0.097 R)
• M5: 2,988,517 km (0.12 R)
• M6: 3,268,265 km (0.112 R)
• M7: 3,514,652 km (0.074 R)
• M8: 5,331,070 km (0.113 R)
• M9: 6,364,941 km (0.049 R)
• M10: 12,495,761 km (0.117 R)
• M11: 14,369,623 km (0.046 R)
• M12: 17,820,547 km (0.083 R)
• M13: 28,625,104 km (0.091 R)
• M14: 29,357,685 km (0.06 R)
• M15: 31,298,867 km (0.028 R)
• M16: 38,512,027 km (0.051 R)
• M17: 41,629,497 km (0.03 R)
• M18: 44,491,903 km (0.117 R)
• M19: 45,051,548 km (0.041 R)
• M20: 47,920,686 km (0.079 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 138.9

Radius: 7.2

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 6.23 AU - 6.47 AU

Year: 10671 Days

Day: 15.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 55,790,109 km

• M1: 89,609 km (0.112 R)
• M2: 547,678 km (0.114 R)
• M3: 1,086,679 km (0.04 R)
• M4: 1,346,530 km (0.077 R)
• M5: 1,749,547 km (0.114 R)
• M6: 1,993,990 km (0.047 R)
• M7: 2,261,471 km (0.091 R)
• M8: 2,603,901 km (0.09 R)
• M9: 3,018,137 km (0.078 R)
• M10: 3,311,498 km (0.113 R)
• M11: 3,842,721 km (0.06 R)
• M12: 4,331,606 km (0.087 R)
• M13: 6,171,959 km (0.028 R)
• M14: 6,711,110 km (0.119 R)
• M15: 10,362,046 km (0.054 R)
• M16: 11,261,279 km (0.12 R)
• M17: 12,556,497 km (0.098 R)
• M18: 13,369,263 km (0.038 R)
• M19: 15,268,856 km (0.104 R)
• M20: 15,727,075 km (0.083 R)
• M21: 16,551,060 km (0.119 R)
• M22: 17,652,100 km (0.108 R)
• M23: 18,029,835 km (0.027 R)
• M24: 19,999,590 km (0.104 R)
• M25: 21,389,803 km (0.116 R)
• M26: 28,277,139 km (0.117 R)
• M27: 28,794,299 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 785.4

Radius: 4.9

Gravity: 32.71 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 6.52 AU - 6.6 AU

Year: 11204 Days

Day: 17.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 55,790,109 km

• M1: 61,036 km (0.081 R)
• M2: 243,396 km (0.099 R)
• M3: 526,734 km (0.113 R)
• M4: 855,999 km (0.086 R)
• M5: 1,687,015 km (0.12 R)
• M6: 2,148,375 km (0.055 R)
• M7: 2,583,106 km (0.095 R)
• M8: 3,050,749 km (0.068 R)
• M9: 3,494,756 km (0.117 R)
• M10: 3,841,524 km (0.11 R)
• M11: 4,066,070 km (0.083 R)
• M12: 4,572,309 km (0.1 R)
• M13: 5,461,220 km (0.03 R)
• M14: 6,538,474 km (0.065 R)
• M15: 6,981,733 km (0.054 R)
• M16: 7,705,936 km (0.092 R)
• M17: 8,860,233 km (0.12 R)
• M18: 9,104,078 km (0.077 R)
• M19: 11,448,127 km (0.032 R)
• M20: 11,854,883 km (0.101 R)
• M21: 13,513,924 km (0.117 R)
• M22: 18,287,143 km (0.032 R)
• M23: 22,144,973 km (0.052 R)
• M24: 25,030,267 km (0.104 R)
• M25: 28,683,896 km (0.116 R)
• M26: 32,909,587 km (0.059 R)
• M27: 34,445,508 km (0.086 R)
• M28: 34,927,512 km (0.083 R)
• M29: 36,649,982 km (0.09 R)
• M30: 36,900,559 km (0.072 R)
• M31: 38,042,589 km (0.096 R)
• M32: 43,263,704 km (0.11 R)
• M33: 45,826,765 km (0.084 R)
• M34: 46,409,747 km (0.035 R)
• M35: 48,338,662 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 298.1

Radius: 4.9

Gravity: 12.42 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 7.64 AU - 11.04 AU

Year: 19035 Days

Day: 21.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,790,109 km

• M1: 91,703 km (0.072 R)
• M2: 284,984 km (0.1 R)
• M3: 455,376 km (0.08 R)
• M4: 1,040,453 km (0.104 R)
• M5: 1,245,402 km (0.092 R)
• M6: 1,520,962 km (0.039 R)
• M7: 1,689,259 km (0.064 R)
• M8: 1,991,746 km (0.093 R)
• M9: 3,341,418 km (0.12 R)
• M10: 4,131,145 km (0.082 R)
• M11: 4,905,913 km (0.074 R)
• M12: 9,383,526 km (0.084 R)
• M13: 10,710,908 km (0.066 R)
• M14: 11,047,204 km (0.03 R)
• M15: 26,405,670 km (0.119 R)
• M16: 27,433,407 km (0.093 R)
• M17: 43,456,536 km (0.069 R)
• M18: 48,295,877 km (0.085 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: 399 - 11,827 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit