🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.1

Radius: 9

Gravity: 10.78 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.84 AU - 1.16 AU

Year: 703 Days

Day: 8.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,603,113 km

• M1: 111,899 km (0.073 R)
• M2: 543,938 km (0.063 R)
• M3: 1,042,697 km (0.111 R)
• M4: 1,457,831 km (0.07 R)
• M5: 1,799,662 km (0.108 R)
• M6: 2,872,130 km (0.08 R)
• M7: 3,320,026 km (0.054 R)
• M8: 3,828,658 km (0.032 R)
• M9: 4,180,213 km (0.105 R)
• M10: 4,603,575 km (0.107 R)
• M11: 4,983,853 km (0.119 R)
• M12: 5,536,318 km (0.109 R)
• M13: 6,252,443 km (0.098 R)
• M14: 6,676,403 km (0.084 R)
• M15: 7,119,213 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.7

Radius: 10.8

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.96 AU - 1.14 AU

Year: 756 Days

Day: 8.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,603,113 km

• M1: 134,339 km (0.097 R)
• M2: 555,756 km (0.1 R)
• M3: 994,377 km (0.11 R)
• M4: 1,829,732 km (0.09 R)
• M5: 2,259,227 km (0.082 R)
• M6: 2,816,330 km (0.111 R)
• M7: 4,288,522 km (0.05 R)
• M8: 4,998,663 km (0.069 R)
• M9: 5,353,659 km (0.088 R)
• M10: 8,357,435 km (0.079 R)
• M11: 8,698,667 km (0.118 R)
• M12: 9,325,034 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.1

Radius: 10.8

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.64 AU - 4.4 AU

Year: 5666 Days

Day: 13.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 74,603,113 km

• M1: 136,433 km (0.093 R)
• M2: 558,898 km (0.103 R)
• M3: 1,239,418 km (0.04 R)
• M4: 1,611,468 km (0.12 R)
• M5: 1,954,347 km (0.117 R)
• M6: 2,414,061 km (0.087 R)
• M7: 2,753,648 km (0.097 R)
• M8: 3,187,183 km (0.063 R)
• M9: 4,293,758 km (0.066 R)
• M10: 5,457,630 km (0.038 R)
• M11: 5,794,674 km (0.03 R)
• M12: 6,890,628 km (0.071 R)
• M13: 8,358,033 km (0.115 R)
• M14: 9,101,534 km (0.11 R)
• M15: 13,057,351 km (0.09 R)
• M16: 14,344,940 km (0.088 R)
• M17: 15,531,849 km (0.106 R)
• M18: 16,591,301 km (0.111 R)
• M19: 19,343,753 km (0.035 R)
• M20: 20,058,681 km (0.111 R)
• M21: 21,014,312 km (0.095 R)
• M22: 23,255,139 km (0.101 R)
• M23: 25,565,528 km (0.063 R)
• M24: 26,426,613 km (0.075 R)
• M25: 27,754,295 km (0.117 R)
• M26: 31,121,294 km (0.052 R)
• M27: 32,501,334 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.4

Radius: 8.2

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 4.35 AU - 5.65 AU

Year: 7859 Days

Day: 10.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,603,113 km

• M1: 102,026 km (0.114 R)
• M2: 368,460 km (0.113 R)
• M3: 701,315 km (0.106 R)
• M4: 1,452,296 km (0.095 R)
• M5: 3,251,360 km (0.061 R)
• M6: 3,798,888 km (0.09 R)
• M7: 4,359,282 km (0.11 R)
• M8: 5,929,012 km (0.094 R)
• M9: 6,969,466 km (0.114 R)
• M10: 8,234,914 km (0.117 R)
• M11: 8,865,020 km (0.119 R)
• M12: 9,250,384 km (0.082 R)
• M13: 10,389,273 km (0.098 R)
• M14: 12,943,058 km (0.103 R)
• M15: 13,439,424 km (0.062 R)
• M16: 16,113,935 km (0.099 R)
• M17: 23,498,385 km (0.104 R)
• M18: 24,763,384 km (0.117 R)
• M19: 26,151,653 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.2

Radius: 13.7

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 4.13 AU - 6.07 AU

Year: 8096 Days

Day: 8.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,603,113 km

• M1: 170,392 km (0.095 R)
• M2: 645,515 km (0.043 R)
• M3: 1,315,414 km (0.104 R)
• M4: 2,464,924 km (0.042 R)
• M5: 3,007,516 km (0.09 R)
• M6: 3,558,784 km (0.075 R)
• M7: 4,954,233 km (0.12 R)
• M8: 8,077,986 km (0.085 R)
• M9: 8,754,318 km (0.072 R)
• M10: 9,606,128 km (0.089 R)
• M11: 10,268,547 km (0.11 R)
• M12: 11,791,005 km (0.094 R)
• M13: 13,113,749 km (0.078 R)
• M14: 14,049,035 km (0.051 R)
• M15: 19,110,081 km (0.073 R)
• M16: 20,853,794 km (0.109 R)
• M17: 31,190,558 km (0.103 R)
• M18: 31,911,919 km (0.064 R)
• M19: 35,798,920 km (0.036 R)
• M20: 39,151,558 km (0.043 R)
• M21: 40,842,612 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 216

Radius: 4.9

Gravity: 9 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 6.25 AU - 7.65 AU

Year: 12879 Days

Day: 19.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 74,603,113 km

• M1: 64,626 km (0.103 R)
• M2: 230,979 km (0.097 R)
• M3: 388,356 km (0.11 R)
• M4: 574,306 km (0.078 R)
• M5: 962,961 km (0.091 R)
• M6: 1,154,896 km (0.048 R)
• M7: 1,348,326 km (0.092 R)
• M8: 1,800,710 km (0.096 R)
• M9: 2,094,370 km (0.077 R)
• M10: 2,958,747 km (0.029 R)
• M11: 3,126,595 km (0.05 R)
• M12: 3,962,848 km (0.078 R)
• M13: 5,451,496 km (0.036 R)
• M14: 5,769,092 km (0.094 R)
• M15: 6,302,857 km (0.054 R)
• M16: 6,476,241 km (0.11 R)
• M17: 9,073,859 km (0.118 R)
• M18: 9,295,114 km (0.098 R)
• M19: 9,840,847 km (0.095 R)
• M20: 10,264,060 km (0.078 R)
• M21: 10,699,090 km (0.086 R)
• M22: 11,196,952 km (0.113 R)
• M23: 13,861,589 km (0.063 R)
• M24: 14,214,490 km (0.079 R)
• M25: 14,393,110 km (0.057 R)
• M26: 15,559,675 km (0.043 R)
• M27: 19,729,266 km (0.077 R)
• M28: 21,088,662 km (0.075 R)
• M29: 22,914,953 km (0.101 R)
• M30: 23,908,582 km (0.056 R)
• M31: 25,277,403 km (0.1 R)
• M32: 28,926,693 km (0.101 R)
• M33: 33,962,756 km (0.108 R)
• M34: 36,798,533 km (0.038 R)
• M35: 37,930,091 km (0.051 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 813

Radius: 3.4

Gravity: 70.33 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 7.1 AU - 7.4 AU

Year: 13722 Days

Day: 24.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 166.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 74,603,113 km

• M1: 43,084 km (0.12 R)
• M2: 210,484 km (0.061 R)
• M3: 366,515 km (0.049 R)
• M4: 613,950 km (0.114 R)
• M5: 834,457 km (0.1 R)
• M6: 1,009,038 km (0.092 R)
• M7: 1,117,795 km (0.067 R)
• M8: 1,330,523 km (0.088 R)
• M9: 2,113,668 km (0.085 R)
• M10: 2,334,026 km (0.105 R)
• M11: 2,525,511 km (0.057 R)
• M12: 3,960,753 km (0.066 R)
• M13: 4,952,288 km (0.063 R)
• M14: 5,523,752 km (0.08 R)
• M15: 6,177,794 km (0.106 R)
• M16: 6,502,870 km (0.117 R)
• M17: 11,886,000 km (0.09 R)
• M18: 13,167,605 km (0.107 R)
• M19: 13,300,597 km (0.042 R)
• M20: 13,910,358 km (0.112 R)
• M21: 18,046,889 km (0.114 R)
• M22: 20,436,864 km (0.096 R)
• M23: 23,222,825 km (0.076 R)
• M24: 24,605,409 km (0.095 R)
• M25: 25,419,670 km (0.063 R)
• M26: 26,146,566 km (0.053 R)
• M27: 26,356,901 km (0.077 R)
• M28: 27,533,339 km (0.096 R)
• M29: 30,568,679 km (0.073 R)
• M30: 31,272,088 km (0.102 R)
• M31: 34,952,346 km (0.112 R)
• M32: 43,157,639 km (0.119 R)
• M33: 45,848,606 km (0.094 R)
• M34: 49,126,594 km (0.099 R)
• M35: 52,892,422 km (0.116 R)
• M36: 57,022,220 km (0.036 R)
• M37: 58,087,208 km (0.094 R)
• M38: 58,624,713 km (0.112 R)
• M39: 60,256,975 km (0.095 R)
• M40: 61,919,157 km (0.081 R)
• M41: 62,105,706 km (0.07 R)
• M42: 62,667,745 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 979.9

Radius: 5.7

Gravity: 30.16 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 7.88 AU - 8.34 AU

Year: 16235 Days

Day: 24.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 74,603,113 km

• M1: 71,657 km (0.086 R)
• M2: 307,573 km (0.109 R)
• M3: 623,524 km (0.095 R)
• M4: 989,590 km (0.093 R)
• M5: 1,235,379 km (0.096 R)
• M6: 2,023,461 km (0.115 R)
• M7: 3,293,996 km (0.109 R)
• M8: 3,665,447 km (0.084 R)
• M9: 4,912,794 km (0.097 R)
• M10: 5,873,512 km (0.038 R)
• M11: 6,862,653 km (0.104 R)
• M12: 7,137,913 km (0.068 R)
• M13: 7,325,509 km (0.102 R)
• M14: 7,759,791 km (0.033 R)
• M15: 12,336,439 km (0.104 R)
• M16: 12,881,424 km (0.092 R)
• M17: 13,728,896 km (0.09 R)
• M18: 14,463,122 km (0.08 R)
• M19: 17,071,660 km (0.077 R)
• M20: 18,267,246 km (0.112 R)
• M21: 22,587,932 km (0.095 R)
• M22: 22,891,317 km (0.036 R)
• M23: 26,187,107 km (0.112 R)
• M24: 26,972,795 km (0.105 R)
• M25: 27,543,661 km (0.078 R)
• M26: 30,028,930 km (0.102 R)
• M27: 32,918,114 km (0.106 R)
• M28: 37,098,028 km (0.044 R)
• M29: 41,921,961 km (0.057 R)
• M30: 44,088,886 km (0.098 R)
• M31: 57,919,209 km (0.071 R)
• M32: 61,778,834 km (0.116 R)
• M33: 73,490,702 km (0.222 R)
• M34: 74,603,112 km (0.042 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 18,977 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit