🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.3

Radius: 13.5

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.97 AU - 1.15 AU

Year: 716 Days

Day: 7.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,282,228 km

• M1: 168,298 km (0.112 R)
• M2: 594,053 km (0.091 R)
• M3: 1,128,417 km (0.039 R)
• M4: 1,707,809 km (0.09 R)
• M5: 2,143,887 km (0.056 R)
• M6: 2,600,609 km (0.104 R)
• M7: 3,235,503 km (0.106 R)
• M8: 4,226,289 km (0.106 R)
• M9: 4,652,943 km (0.119 R)
• M10: 5,895,802 km (0.074 R)
• M11: 6,616,115 km (0.083 R)
• M12: 7,484,381 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.5

Radius: 11.3

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.3 AU - 1.58 AU

Year: 1134 Days

Day: 9.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,282,228 km

• M1: 140,622 km (0.068 R)
• M2: 520,002 km (0.12 R)
• M3: 1,669,363 km (0.045 R)
• M4: 2,176,499 km (0.088 R)
• M5: 2,713,257 km (0.079 R)
• M6: 3,720,200 km (0.09 R)
• M7: 4,132,791 km (0.106 R)
• M8: 4,960,516 km (0.09 R)
• M9: 5,996,930 km (0.099 R)
• M10: 7,596,430 km (0.116 R)
• M11: 8,366,411 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.6

Radius: 9.6

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.21 AU - 3.05 AU

Year: 2798 Days

Day: 12.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,282,228 km

• M1: 120,875 km (0.059 R)
• M2: 489,484 km (0.106 R)
• M3: 795,561 km (0.117 R)
• M4: 1,503,309 km (0.103 R)
• M5: 1,957,039 km (0.116 R)
• M6: 2,762,624 km (0.087 R)
• M7: 3,241,487 km (0.093 R)
• M8: 3,705,090 km (0.103 R)
• M9: 7,122,654 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.4

Radius: 10.8

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.49 AU - 3.89 AU

Year: 4650 Days

Day: 12.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,282,228 km

• M1: 134,339 km (0.07 R)
• M2: 755,170 km (0.111 R)
• M3: 1,316,461 km (0.085 R)
• M4: 2,002,367 km (0.12 R)
• M5: 2,458,940 km (0.045 R)
• M6: 2,966,376 km (0.107 R)
• M7: 3,563,272 km (0.093 R)
• M8: 4,078,936 km (0.114 R)
• M9: 5,560,702 km (0.062 R)
• M10: 6,783,515 km (0.104 R)
• M11: 7,140,306 km (0.034 R)
• M12: 12,079,729 km (0.101 R)
• M13: 14,168,714 km (0.12 R)
• M14: 15,133,769 km (0.115 R)
• M15: 18,479,825 km (0.112 R)
• M16: 19,113,821 km (0.063 R)
• M17: 20,158,463 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 480.6

Radius: 4.9

Gravity: 20.02 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 5.85 AU - 6.05 AU

Year: 9521 Days

Day: 18.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 70,282,228 km

• M1: 92,003 km (0.092 R)
• M2: 259,552 km (0.087 R)
• M3: 615,894 km (0.089 R)
• M4: 1,384,528 km (0.094 R)
• M5: 2,062,506 km (0.108 R)
• M6: 2,483,773 km (0.114 R)
• M7: 3,591,097 km (0.087 R)
• M8: 3,887,151 km (0.053 R)
• M9: 4,361,676 km (0.072 R)
• M10: 4,556,302 km (0.119 R)
• M11: 7,683,496 km (0.089 R)
• M12: 8,259,149 km (0.078 R)
• M13: 8,862,926 km (0.102 R)
• M14: 9,220,914 km (0.066 R)
• M15: 10,451,206 km (0.069 R)
• M16: 10,901,496 km (0.09 R)
• M17: 13,700,323 km (0.038 R)
• M18: 14,178,886 km (0.061 R)
• M19: 14,545,102 km (0.111 R)
• M20: 16,807,770 km (0.043 R)
• M21: 24,895,030 km (0.036 R)
• M22: 28,591,444 km (0.12 R)
• M23: 29,175,624 km (0.094 R)
• M24: 31,489,005 km (0.112 R)
• M25: 33,168,541 km (0.085 R)
• M26: 40,974,707 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 831.2

Radius: 3.5

Gravity: 67.85 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 5.61 AU - 6.45 AU

Year: 9714 Days

Day: 23.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 70,282,228 km

• M1: 43,533 km (0.091 R)
• M2: 209,287 km (0.104 R)
• M3: 514,168 km (0.104 R)
• M4: 1,303,745 km (0.06 R)
• M5: 1,860,399 km (0.077 R)
• M6: 1,978,133 km (0.083 R)
• M7: 3,131,233 km (0.055 R)
• M8: 3,396,470 km (0.101 R)
• M9: 3,650,338 km (0.076 R)
• M10: 5,345,431 km (0.095 R)
• M11: 5,549,782 km (0.075 R)
• M12: 6,650,523 km (0.106 R)
• M13: 7,088,246 km (0.073 R)
• M14: 8,288,620 km (0.099 R)
• M15: 8,516,308 km (0.066 R)
• M16: 9,518,763 km (0.093 R)
• M17: 10,229,054 km (0.114 R)
• M18: 12,393,136 km (0.098 R)
• M19: 12,811,412 km (0.116 R)
• M20: 14,777,427 km (0.117 R)
• M21: 15,452,114 km (0.082 R)
• M22: 15,936,512 km (0.055 R)
• M23: 16,430,933 km (0.097 R)
• M24: 18,511,091 km (0.04 R)
• M25: 20,843,771 km (0.068 R)
• M26: 26,374,853 km (0.051 R)
• M27: 28,690,927 km (0.05 R)
• M28: 31,468,361 km (0.101 R)
• M29: 31,799,870 km (0.109 R)
• M30: 33,722,950 km (0.119 R)
• M31: 36,203,582 km (0.081 R)
• M32: 38,803,144 km (0.042 R)
• M33: 41,259,990 km (0.108 R)
• M34: 43,407,617 km (0.058 R)
• M35: 46,910,601 km (0.118 R)
• M36: 47,488,049 km (0.101 R)
• M37: 48,070,134 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 503.7

Radius: 7.5

Gravity: 8.95 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 5.43 AU - 7.59 AU

Year: 10896 Days

Day: 24.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,282,228 km

• M1: 93,349 km (0.097 R)
• M2: 351,106 km (0.112 R)
• M3: 664,215 km (0.039 R)
• M4: 1,033,721 km (0.115 R)
• M5: 2,743,176 km (0.097 R)
• M6: 3,987,830 km (0.067 R)
• M7: 5,705,812 km (0.08 R)
• M8: 7,741,391 km (0.079 R)
• M9: 9,293,319 km (0.119 R)
• M10: 10,676,052 km (0.089 R)
• M11: 12,247,578 km (0.087 R)
• M12: 17,587,922 km (0.055 R)
• M13: 19,150,472 km (0.058 R)
• M14: 22,124,777 km (0.114 R)
• M15: 23,152,066 km (0.081 R)
• M16: 26,614,508 km (0.104 R)
• M17: 33,645,010 km (0.098 R)
• M18: 37,583,922 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 777.8

Radius: 6.5

Gravity: 18.41 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 5.25 AU - 8.23 AU

Year: 11479 Days

Day: 20.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 70,282,228 km

• M1: 91,554 km (0.086 R)
• M2: 305,030 km (0.055 R)
• M3: 1,021,005 km (0.097 R)
• M4: 1,429,856 km (0.098 R)
• M5: 2,157,351 km (0.063 R)
• M6: 2,509,205 km (0.065 R)
• M7: 3,156,365 km (0.082 R)
• M8: 3,428,933 km (0.106 R)
• M9: 4,555,704 km (0.038 R)
• M10: 5,339,896 km (0.108 R)
• M11: 7,005,967 km (0.1 R)
• M12: 7,428,133 km (0.12 R)
• M13: 7,777,892 km (0.092 R)
• M14: 8,463,500 km (0.079 R)
• M15: 8,893,593 km (0.08 R)
• M16: 9,439,177 km (0.113 R)
• M17: 13,127,363 km (0.097 R)
• M18: 20,683,850 km (0.083 R)
• M19: 25,760,005 km (0.085 R)
• M20: 27,070,632 km (0.076 R)
• M21: 28,213,859 km (0.045 R)
• M22: 35,387,676 km (0.103 R)
• M23: 36,879,316 km (0.03 R)
• M24: 37,768,526 km (0.119 R)
• M25: 38,802,247 km (0.049 R)
• M26: 43,687,964 km (0.075 R)
• M27: 50,196,668 km (0.072 R)
• M28: 52,077,861 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 49.2

Radius: 6

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 7.02 AU - 10.84 AU

Year: 17506 Days

Day: 18.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,282,228 km

• M1: 77,641 km (0.076 R)
• M2: 800,648 km (0.094 R)
• M3: 1,443,919 km (0.094 R)
• M4: 2,618,412 km (0.091 R)
• M5: 4,204,149 km (0.119 R)
• M6: 7,156,014 km (0.116 R)
• M7: 10,537,824 km (0.047 R)
• M8: 13,304,487 km (0.074 R)
• M9: 22,699,532 km (0.108 R)
• M10: 24,050,700 km (0.086 R)
• M11: 24,746,031 km (0.111 R)
• M12: 25,613,848 km (0.12 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 583.4

Radius: 3.8

Gravity: 40.4 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 8.51 AU - 10.51 AU

Year: 19239 Days

Day: 22.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 70,282,228 km

• M1: 47,273 km (0.116 R)
• M2: 293,960 km (0.086 R)
• M3: 443,408 km (0.104 R)
• M4: 716,424 km (0.081 R)
• M5: 1,042,697 km (0.084 R)
• M6: 1,267,543 km (0.082 R)
• M7: 1,492,089 km (0.087 R)
• M8: 2,370,378 km (0.041 R)
• M9: 2,664,188 km (0.085 R)
• M10: 3,576,137 km (0.111 R)
• M11: 4,055,299 km (0.117 R)
• M12: 4,213,574 km (0.076 R)
• M13: 4,887,961 km (0.116 R)
• M14: 5,176,834 km (0.096 R)
• M15: 5,325,535 km (0.084 R)
• M16: 7,814,694 km (0.104 R)
• M17: 8,310,311 km (0.046 R)
• M18: 11,106,744 km (0.107 R)
• M19: 11,605,653 km (0.072 R)
• M20: 12,447,889 km (0.116 R)
• M21: 14,253,087 km (0.076 R)
• M22: 16,067,858 km (0.084 R)
• M23: 17,276,908 km (0.119 R)
• M24: 18,458,881 km (0.108 R)
• M25: 19,693,812 km (0.054 R)
• M26: 20,056,587 km (0.065 R)
• M27: 25,185,101 km (0.119 R)
• M28: 28,392,928 km (0.079 R)
• M29: 28,623,757 km (0.115 R)
• M30: 32,867,251 km (0.107 R)
• M31: 45,978,906 km (0.042 R)
• M32: 46,777,309 km (0.12 R)
• M33: 50,738,212 km (0.114 R)
• M34: 52,799,970 km (0.079 R)
• M35: 54,205,143 km (0.106 R)
• M36: 59,131,251 km (0.111 R)
• M37: 64,347,280 km (0.059 R)
• M38: 66,151,879 km (0.093 R)
• M39: 67,578,594 km (0.119 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 16,869 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit