🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.8

Radius: 10.6

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.87 AU - 1.19 AU

Year: 665 Days

Day: 13.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,056,233 km

• M1: 133,142 km (0.116 R)
• M2: 536,608 km (0.045 R)
• M3: 1,751,641 km (0.104 R)
• M4: 2,188,168 km (0.105 R)
• M5: 2,633,072 km (0.119 R)
• M6: 2,997,193 km (0.112 R)
• M7: 3,733,364 km (0.09 R)
• M8: 4,253,815 km (0.118 R)
• M9: 5,302,347 km (0.05 R)
• M10: 6,073,225 km (0.113 R)
• M11: 7,040,824 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.3

Radius: 10.7

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.09 AU - 1.49 AU

Year: 932 Days

Day: 8.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,056,233 km

• M1: 133,142 km (0.044 R)
• M2: 555,158 km (0.08 R)
• M3: 998,715 km (0.098 R)
• M4: 1,457,831 km (0.06 R)
• M5: 2,811,692 km (0.032 R)
• M6: 3,197,206 km (0.031 R)
• M7: 3,536,344 km (0.109 R)
• M8: 4,031,363 km (0.087 R)
• M9: 4,475,968 km (0.088 R)
• M10: 6,346,839 km (0.071 R)
• M11: 6,696,150 km (0.113 R)
• M12: 7,211,216 km (0.117 R)
• M13: 7,729,572 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.8

Radius: 12.4

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.75 AU - 2.23 AU

Year: 1785 Days

Day: 7.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 147.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,056,233 km

• M1: 154,385 km (0.105 R)
• M2: 545,883 km (0.088 R)
• M3: 1,043,595 km (0.091 R)
• M4: 1,454,091 km (0.119 R)
• M5: 1,878,052 km (0.093 R)
• M6: 2,286,603 km (0.057 R)
• M7: 3,287,563 km (0.083 R)
• M8: 3,870,695 km (0.112 R)
• M9: 5,180,125 km (0.044 R)
• M10: 5,737,976 km (0.111 R)
• M11: 6,869,684 km (0.117 R)
• M12: 7,405,992 km (0.118 R)
• M13: 8,203,648 km (0.098 R)
• M14: 9,026,287 km (0.112 R)
• M15: 10,310,734 km (0.086 R)
• M16: 11,051,094 km (0.06 R)
• M17: 11,675,964 km (0.108 R)
• M18: 12,559,040 km (0.118 R)
• M19: 14,114,709 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.5

Radius: 10.1

Gravity: 8.46 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.76 AU - 2.42 AU

Year: 1921 Days

Day: 10.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,056,233 km

• M1: 125,662 km (0.068 R)
• M2: 481,406 km (0.07 R)
• M3: 1,357,152 km (0.07 R)
• M4: 1,705,416 km (0.093 R)
• M5: 2,175,452 km (0.09 R)
• M6: 2,629,482 km (0.099 R)
• M7: 2,987,320 km (0.115 R)
• M8: 3,913,929 km (0.114 R)
• M9: 4,823,634 km (0.081 R)
• M10: 5,696,837 km (0.095 R)
• M11: 6,120,049 km (0.105 R)
• M12: 7,313,840 km (0.092 R)
• M13: 8,275,156 km (0.113 R)
• M14: 9,801,652 km (0.085 R)
• M15: 10,594,521 km (0.09 R)
• M16: 11,783,675 km (0.105 R)
• M17: 12,472,573 km (0.087 R)
• M18: 12,805,877 km (0.104 R)
• M19: 13,145,015 km (0.05 R)
• M20: 14,471,051 km (0.11 R)
• M21: 15,166,681 km (0.106 R)
• M22: 16,128,446 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.7

Radius: 14.8

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.06 AU - 3.04 AU

Year: 2589 Days

Day: 11.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,056,233 km

• M1: 184,155 km (0.093 R)
• M2: 751,131 km (0.1 R)
• M3: 1,391,410 km (0.081 R)
• M4: 2,213,899 km (0.059 R)
• M5: 2,826,353 km (0.118 R)
• M6: 3,974,666 km (0.104 R)
• M7: 5,558,010 km (0.095 R)
• M8: 6,221,925 km (0.067 R)
• M9: 7,058,925 km (0.048 R)
• M10: 7,735,108 km (0.111 R)
• M11: 8,481,601 km (0.082 R)
• M12: 10,088,282 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.8

Radius: 14.2

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.92 AU - 3.66 AU

Year: 3794 Days

Day: 12.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,056,233 km

• M1: 176,675 km (0.078 R)
• M2: 1,073,365 km (0.106 R)
• M3: 1,817,465 km (0.102 R)
• M4: 2,302,162 km (0.094 R)
• M5: 3,593,939 km (0.116 R)
• M6: 4,537,453 km (0.096 R)
• M7: 5,114,153 km (0.026 R)
• M8: 7,712,069 km (0.09 R)
• M9: 8,668,897 km (0.082 R)
• M10: 9,210,741 km (0.075 R)
• M11: 9,919,984 km (0.118 R)
• M12: 10,589,136 km (0.082 R)
• M13: 14,304,100 km (0.102 R)
• M14: 18,867,732 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338

Radius: 13.6

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.17 AU - 3.87 AU

Year: 4199 Days

Day: 8.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,056,233 km

• M1: 170,093 km (0.076 R)
• M2: 646,712 km (0.044 R)
• M3: 1,168,659 km (0.071 R)
• M4: 2,246,960 km (0.089 R)
• M5: 2,802,866 km (0.114 R)
• M6: 3,377,621 km (0.08 R)
• M7: 4,474,472 km (0.099 R)
• M8: 5,437,733 km (0.113 R)
• M9: 6,035,975 km (0.071 R)
• M10: 6,620,454 km (0.091 R)
• M11: 7,520,734 km (0.105 R)
• M12: 8,332,153 km (0.108 R)
• M13: 9,938,983 km (0.114 R)
• M14: 10,836,122 km (0.107 R)
• M15: 13,200,367 km (0.099 R)
• M16: 14,284,502 km (0.084 R)
• M17: 17,725,553 km (0.034 R)
• M18: 19,638,161 km (0.051 R)
• M19: 20,121,811 km (0.105 R)
• M20: 20,551,606 km (0.055 R)
• M21: 20,987,534 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 864.9

Radius: 3.5

Gravity: 70.6 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 4.93 AU - 7.67 AU

Year: 10054 Days

Day: 15.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 78,056,233 km

• M1: 45,029 km (0.103 R)
• M2: 307,872 km (0.115 R)
• M3: 1,432,250 km (0.074 R)
• M4: 1,561,353 km (0.076 R)
• M5: 1,729,950 km (0.077 R)
• M6: 3,597,829 km (0.106 R)
• M7: 4,590,710 km (0.096 R)
• M8: 6,537,427 km (0.115 R)
• M9: 6,975,450 km (0.098 R)
• M10: 7,180,997 km (0.099 R)
• M11: 7,734,060 km (0.072 R)
• M12: 7,998,699 km (0.12 R)
• M13: 10,023,207 km (0.116 R)
• M14: 10,876,663 km (0.12 R)
• M15: 12,068,808 km (0.068 R)
• M16: 17,109,808 km (0.043 R)
• M17: 18,715,890 km (0.081 R)
• M18: 19,922,846 km (0.076 R)
• M19: 20,087,553 km (0.064 R)
• M20: 26,146,566 km (0.07 R)
• M21: 31,166,024 km (0.048 R)
• M22: 35,809,691 km (0.053 R)
• M23: 37,163,103 km (0.063 R)
• M24: 44,866,645 km (0.106 R)
• M25: 45,008,015 km (0.087 R)
• M26: 45,862,668 km (0.064 R)
• M27: 46,149,896 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 503.3

Radius: 5.3

Gravity: 17.92 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 6.96 AU - 8.24 AU

Year: 13322 Days

Day: 17.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 78,056,233 km

• M1: 67,469 km (0.104 R)
• M2: 238,908 km (0.096 R)
• M3: 615,296 km (0.104 R)
• M4: 797,955 km (0.08 R)
• M5: 1,478,027 km (0.103 R)
• M6: 1,731,895 km (0.073 R)
• M7: 1,979,778 km (0.089 R)
• M8: 2,485,718 km (0.034 R)
• M9: 2,736,594 km (0.06 R)
• M10: 4,895,590 km (0.063 R)
• M11: 5,324,338 km (0.089 R)
• M12: 6,069,485 km (0.109 R)
• M13: 6,642,744 km (0.116 R)
• M14: 8,958,519 km (0.089 R)
• M15: 11,138,309 km (0.111 R)
• M16: 13,331,115 km (0.077 R)
• M17: 16,079,228 km (0.057 R)
• M18: 16,438,263 km (0.102 R)
• M19: 16,656,227 km (0.071 R)
• M20: 19,102,751 km (0.084 R)
• M21: 23,757,039 km (0.106 R)
• M22: 25,076,343 km (0.095 R)
• M23: 27,757,436 km (0.117 R)
• M24: 28,691,974 km (0.116 R)
• M25: 35,585,444 km (0.049 R)
• M26: 36,072,535 km (0.073 R)
• M27: 37,060,180 km (0.05 R)
• M28: 39,868,730 km (0.107 R)
• M29: 47,504,056 km (0.109 R)
• M30: 48,540,619 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 543.8

Radius: 5.1

Gravity: 20.91 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 9.04 AU - 13.04 AU

Year: 23323 Days

Day: 22 Hours

Environment

Temp: -230 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 78,056,233 km

• M1: 66,721 km (0.07 R)
• M2: 268,379 km (0.118 R)
• M3: 696,827 km (0.095 R)
• M4: 1,812,528 km (0.109 R)
• M5: 3,436,113 km (0.072 R)
• M6: 5,017,662 km (0.068 R)
• M7: 6,617,013 km (0.073 R)
• M8: 12,481,399 km (0.093 R)
• M9: 18,831,829 km (0.075 R)
• M10: 20,894,484 km (0.09 R)
• M11: 21,880,035 km (0.065 R)
• M12: 23,943,438 km (0.075 R)
• M13: 25,022,189 km (0.091 R)
• M14: 28,214,458 km (0.111 R)
• M15: 28,932,228 km (0.101 R)
• M16: 33,495,861 km (0.118 R)
• M17: 35,117,651 km (0.083 R)
• M18: 36,367,841 km (0.028 R)
• M19: 36,649,683 km (0.094 R)
• M20: 44,497,737 km (0.068 R)
• M21: 49,153,821 km (0.078 R)
• M22: 58,064,918 km (0.088 R)
• M23: 59,419,676 km (0.088 R)
• M24: 67,143,863 km (0.112 R)
• M25: 68,207,504 km (0.074 R)
• M26: 69,932,666 km (0.117 R)
• M27: 71,686,552 km (0.044 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 155 - 17,704 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit