🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.1

Radius: 11.3

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.65 AU - 0.73 AU

Year: 364 Days

Day: 7.4 Hours

Environment

Temp: -130 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 70,912,266 km

• M1: 141,370 km (0.103 R)
• M2: 504,444 km (0.108 R)
• M3: 879,785 km (0.086 R)
• M4: 1,342,342 km (0.096 R)
• M5: 1,764,507 km (0.064 R)
• M6: 3,119,564 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.2

Radius: 9.2

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.96 AU - 1.52 AU

Year: 878 Days

Day: 5.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,912,266 km

• M1: 114,442 km (0.093 R)
• M2: 420,220 km (0.113 R)
• M3: 861,534 km (0.058 R)
• M4: 1,285,644 km (0.088 R)
• M5: 1,628,522 km (0.085 R)
• M6: 1,999,076 km (0.062 R)
• M7: 2,322,806 km (0.041 R)
• M8: 3,450,475 km (0.049 R)
• M9: 4,135,633 km (0.048 R)
• M10: 4,986,396 km (0.047 R)
• M11: 5,370,863 km (0.088 R)
• M12: 5,809,633 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.7

Radius: 10.9

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.38 AU - 2.22 AU

Year: 1535 Days

Day: 7.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,912,266 km

• M1: 135,536 km (0.106 R)
• M2: 658,530 km (0.094 R)
• M3: 1,535,173 km (0.08 R)
• M4: 1,964,370 km (0.047 R)
• M5: 2,974,604 km (0.045 R)
• M6: 3,999,050 km (0.097 R)
• M7: 5,587,331 km (0.071 R)
• M8: 9,747,648 km (0.057 R)
• M9: 11,067,998 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671

Radius: 14.7

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.8 AU - 2.14 AU

Year: 1758 Days

Day: 11.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,912,266 km

• M1: 182,809 km (0.117 R)
• M2: 810,072 km (0.115 R)
• M3: 1,331,720 km (0.1 R)
• M4: 2,072,080 km (0.053 R)
• M5: 2,584,752 km (0.066 R)
• M6: 3,182,844 km (0.108 R)
• M7: 3,716,759 km (0.071 R)
• M8: 5,136,592 km (0.099 R)
• M9: 5,829,530 km (0.117 R)
• M10: 6,660,546 km (0.11 R)
• M11: 7,458,351 km (0.094 R)
• M12: 9,667,314 km (0.101 R)
• M13: 11,598,772 km (0.116 R)
• M14: 12,129,096 km (0.082 R)
• M15: 13,818,056 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.3

Radius: 14.1

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 4.04 AU - 4.44 AU

Year: 5551 Days

Day: 10.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,912,266 km

• M1: 188,643 km (0.025 R)
• M2: 672,442 km (0.055 R)
• M3: 1,216,979 km (0.116 R)
• M4: 2,246,511 km (0.051 R)
• M5: 3,711,822 km (0.078 R)
• M6: 5,298,009 km (0.067 R)
• M7: 5,771,935 km (0.1 R)
• M8: 6,551,788 km (0.071 R)
• M9: 7,435,014 km (0.091 R)
• M10: 7,923,451 km (0.04 R)
• M11: 10,828,193 km (0.094 R)
• M12: 11,549,255 km (0.099 R)
• M13: 12,446,842 km (0.113 R)
• M14: 13,087,271 km (0.065 R)
• M15: 14,976,692 km (0.099 R)
• M16: 17,041,890 km (0.069 R)
• M17: 17,770,731 km (0.111 R)
• M18: 20,015,746 km (0.118 R)
• M19: 22,085,582 km (0.106 R)
• M20: 23,691,665 km (0.089 R)
• M21: 24,294,694 km (0.082 R)
• M22: 25,374,492 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.7

Radius: 8.9

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 3.53 AU - 5.31 AU

Year: 5908 Days

Day: 14.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,912,266 km

• M1: 115,490 km (0.119 R)
• M2: 1,833,023 km (0.115 R)
• M3: 2,373,520 km (0.101 R)
• M4: 2,758,884 km (0.109 R)
• M5: 3,581,074 km (0.108 R)
• M6: 3,988,429 km (0.063 R)
• M7: 7,858,825 km (0.098 R)
• M8: 18,156,843 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.4

Radius: 8.2

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 4.08 AU - 5.6 AU

Year: 6770 Days

Day: 12.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 70,912,266 km

• M1: 103,073 km (0.1 R)
• M2: 373,396 km (0.111 R)
• M3: 644,468 km (0.06 R)
• M4: 956,379 km (0.066 R)
• M5: 1,414,448 km (0.092 R)
• M6: 1,998,029 km (0.116 R)
• M7: 2,453,255 km (0.092 R)
• M8: 2,824,707 km (0.101 R)
• M9: 3,378,369 km (0.084 R)
• M10: 4,544,634 km (0.114 R)
• M11: 4,969,192 km (0.115 R)
• M12: 6,210,256 km (0.055 R)
• M13: 6,971,560 km (0.088 R)
• M14: 7,646,246 km (0.093 R)
• M15: 8,132,439 km (0.057 R)
• M16: 9,758,419 km (0.099 R)
• M17: 10,152,310 km (0.032 R)
• M18: 10,511,195 km (0.107 R)
• M19: 11,301,970 km (0.082 R)
• M20: 13,265,442 km (0.098 R)
• M21: 13,967,654 km (0.105 R)
• M22: 14,524,457 km (0.095 R)
• M23: 16,222,991 km (0.101 R)
• M24: 16,652,038 km (0.102 R)
• M25: 18,115,255 km (0.09 R)
• M26: 18,643,784 km (0.117 R)
• M27: 20,220,396 km (0.104 R)
• M28: 24,427,687 km (0.083 R)
• M29: 28,914,725 km (0.048 R)
• M30: 30,555,515 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 990.7

Radius: 4.9

Gravity: 41.26 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 6.07 AU - 6.17 AU

Year: 9626 Days

Day: 20.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 70,912,266 km

• M1: 63,429 km (0.092 R)
• M2: 389,702 km (0.055 R)
• M3: 592,856 km (0.094 R)
• M4: 763,697 km (0.101 R)
• M5: 1,416,093 km (0.11 R)
• M6: 1,573,470 km (0.11 R)
• M7: 2,889,333 km (0.069 R)
• M8: 3,593,640 km (0.111 R)
• M9: 3,861,121 km (0.098 R)
• M10: 4,557,499 km (0.102 R)
• M11: 5,506,548 km (0.059 R)
• M12: 6,195,446 km (0.109 R)
• M13: 6,424,481 km (0.096 R)
• M14: 7,063,114 km (0.098 R)
• M15: 10,201,228 km (0.079 R)
• M16: 10,737,686 km (0.104 R)
• M17: 14,094,064 km (0.111 R)
• M18: 15,305,957 km (0.104 R)
• M19: 15,724,831 km (0.041 R)
• M20: 17,102,029 km (0.055 R)
• M21: 18,089,225 km (0.114 R)
• M22: 19,763,375 km (0.053 R)
• M23: 23,416,405 km (0.118 R)
• M24: 23,972,460 km (0.103 R)
• M25: 25,304,031 km (0.095 R)
• M26: 25,889,557 km (0.049 R)
• M27: 30,682,074 km (0.086 R)
• M28: 32,022,920 km (0.097 R)
• M29: 35,423,729 km (0.111 R)
• M30: 36,650,132 km (0.074 R)
• M31: 39,708,361 km (0.065 R)
• M32: 49,288,310 km (0.108 R)
• M33: 50,815,405 km (0.068 R)
• M34: 51,435,039 km (0.077 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 685

Radius: 6.8

Gravity: 14.81 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 6.02 AU - 6.46 AU

Year: 9911 Days

Day: 22.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 70,912,266 km

• M1: 84,672 km (0.086 R)
• M2: 421,268 km (0.025 R)
• M3: 758,611 km (0.062 R)
• M4: 2,054,727 km (0.114 R)
• M5: 2,378,457 km (0.112 R)
• M6: 2,673,912 km (0.051 R)
• M7: 3,459,600 km (0.109 R)
• M8: 3,945,793 km (0.113 R)
• M9: 5,022,749 km (0.07 R)
• M10: 5,410,656 km (0.094 R)
• M11: 6,619,107 km (0.106 R)
• M12: 7,784,026 km (0.082 R)
• M13: 8,892,845 km (0.078 R)
• M14: 9,364,677 km (0.088 R)
• M15: 10,358,157 km (0.114 R)
• M16: 10,669,470 km (0.118 R)
• M17: 12,262,986 km (0.099 R)
• M18: 12,729,133 km (0.116 R)
• M19: 13,026,384 km (0.097 R)
• M20: 15,709,422 km (0.059 R)
• M21: 18,739,826 km (0.112 R)
• M22: 22,568,933 km (0.113 R)
• M23: 23,180,489 km (0.091 R)
• M24: 23,893,024 km (0.072 R)
• M25: 25,927,405 km (0.09 R)
• M26: 26,889,170 km (0.074 R)
• M27: 27,675,606 km (0.086 R)
• M28: 32,830,001 km (0.073 R)
• M29: 39,969,110 km (0.046 R)
• M30: 44,304,457 km (0.078 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 577.6

Radius: 6.5

Gravity: 13.67 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 7.57 AU - 12.09 AU

Year: 19596 Days

Day: 21.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 70,912,266 km

• M1: 80,932 km (0.099 R)
• M2: 305,778 km (0.099 R)
• M3: 622,327 km (0.085 R)
• M4: 1,011,880 km (0.106 R)
• M5: 1,255,276 km (0.077 R)
• M6: 2,315,925 km (0.085 R)
• M7: 2,603,302 km (0.11 R)
• M8: 3,385,549 km (0.041 R)
• M9: 3,936,967 km (0.112 R)
• M10: 4,314,851 km (0.062 R)
• M11: 5,034,417 km (0.092 R)
• M12: 6,155,803 km (0.115 R)
• M13: 8,671,740 km (0.063 R)
• M14: 10,040,261 km (0.114 R)
• M15: 12,255,357 km (0.089 R)
• M16: 13,198,272 km (0.107 R)
• M17: 13,829,575 km (0.111 R)
• M18: 14,334,318 km (0.118 R)
• M19: 14,925,978 km (0.07 R)
• M20: 16,962,005 km (0.034 R)
• M21: 20,537,244 km (0.104 R)
• M22: 21,099,433 km (0.066 R)
• M23: 22,254,329 km (0.084 R)
• M24: 23,859,065 km (0.109 R)
• M25: 24,480,345 km (0.101 R)
• M26: 24,689,782 km (0.119 R)
• M27: 28,551,352 km (0.056 R)
• M28: 33,179,611 km (0.095 R)
• M29: 35,402,785 km (0.12 R)
• M30: 38,566,331 km (0.088 R)
• M31: 39,565,196 km (0.114 R)
• M32: 43,273,877 km (0.065 R)
• M33: 56,505,061 km (0.058 R)
• M34: 58,724,794 km (0.095 R)
• M35: 66,339,475 km (0.12 R)
• M36: 70,276,741 km (0.042 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 421 - 14,022 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit