🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.1

Radius: 11.2

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.73 AU - 1.13 AU

Year: 598 Days

Day: 5.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,696,622 km

• M1: 139,276 km (0.026 R)
• M2: 503,696 km (0.111 R)
• M3: 930,499 km (0.107 R)
• M4: 1,294,620 km (0.117 R)
• M5: 1,666,520 km (0.086 R)
• M6: 2,226,615 km (0.112 R)
• M7: 2,611,979 km (0.062 R)
• M8: 2,993,154 km (0.104 R)
• M9: 4,105,863 km (0.089 R)
• M10: 4,478,960 km (0.083 R)
• M11: 4,857,742 km (0.108 R)
• M12: 5,402,428 km (0.06 R)
• M13: 5,813,373 km (0.114 R)
• M14: 6,285,355 km (0.111 R)
• M15: 6,868,337 km (0.035 R)
• M16: 8,118,527 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.6

Radius: 9

Gravity: 9.53 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.91 AU - 1.03 AU

Year: 637 Days

Day: 6.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,696,622 km

• M1: 124,765 km (0.107 R)
• M2: 417,528 km (0.104 R)
• M3: 766,539 km (0.06 R)
• M4: 1,747,453 km (0.035 R)
• M5: 2,054,577 km (0.104 R)
• M6: 2,767,710 km (0.111 R)
• M7: 3,100,865 km (0.086 R)
• M8: 3,420,855 km (0.109 R)
• M9: 3,877,128 km (0.027 R)
• M10: 4,373,494 km (0.109 R)
• M11: 4,911,747 km (0.097 R)
• M12: 5,276,766 km (0.082 R)
• M13: 6,279,371 km (0.034 R)
• M14: 6,752,100 km (0.084 R)
• M15: 7,160,203 km (0.109 R)
• M16: 7,791,805 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.8

Radius: 11

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.5 AU - 2.2 AU

Year: 1678 Days

Day: 10.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,696,622 km

• M1: 136,732 km (0.083 R)
• M2: 598,391 km (0.102 R)
• M3: 998,865 km (0.056 R)
• M4: 1,489,097 km (0.086 R)
• M5: 1,942,229 km (0.079 R)
• M6: 2,934,063 km (0.088 R)
• M7: 3,937,416 km (0.106 R)
• M8: 4,331,606 km (0.12 R)
• M9: 5,288,285 km (0.101 R)
• M10: 6,558,969 km (0.097 R)
• M11: 6,926,381 km (0.058 R)
• M12: 7,419,007 km (0.089 R)
• M13: 7,789,112 km (0.099 R)
• M14: 8,261,842 km (0.053 R)
• M15: 8,879,382 km (0.069 R)
• M16: 11,138,160 km (0.099 R)
• M17: 11,624,503 km (0.093 R)
• M18: 13,045,832 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.9

Radius: 12.6

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.86 AU - 2.5 AU

Year: 2146 Days

Day: 13.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,696,622 km

• M1: 156,629 km (0.071 R)
• M2: 556,205 km (0.098 R)
• M3: 1,156,840 km (0.057 R)
• M4: 1,592,469 km (0.04 R)
• M5: 2,162,437 km (0.112 R)
• M6: 2,739,137 km (0.076 R)
• M7: 3,163,845 km (0.069 R)
• M8: 4,260,697 km (0.039 R)
• M9: 5,173,394 km (0.112 R)
• M10: 5,619,195 km (0.087 R)
• M11: 6,042,108 km (0.108 R)
• M12: 6,665,184 km (0.109 R)
• M13: 7,808,111 km (0.094 R)
• M14: 8,732,477 km (0.088 R)
• M15: 9,963,517 km (0.116 R)
• M16: 10,942,336 km (0.073 R)
• M17: 11,604,756 km (0.07 R)
• M18: 13,669,655 km (0.114 R)
• M19: 14,525,504 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.8

Radius: 10.9

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 4.85 AU - 5.15 AU

Year: 7456 Days

Day: 14.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 59,696,622 km

• M1: 138,976 km (0.066 R)
• M2: 749,635 km (0.098 R)
• M3: 1,190,500 km (0.086 R)
• M4: 1,665,772 km (0.113 R)
• M5: 2,010,147 km (0.091 R)
• M6: 2,985,375 km (0.028 R)
• M7: 3,875,034 km (0.071 R)
• M8: 4,596,993 km (0.078 R)
• M9: 6,073,823 km (0.096 R)
• M10: 6,866,841 km (0.064 R)
• M11: 7,458,351 km (0.104 R)
• M12: 9,042,892 km (0.115 R)
• M13: 9,572,768 km (0.085 R)
• M14: 10,170,112 km (0.081 R)
• M15: 10,939,195 km (0.12 R)
• M16: 12,921,067 km (0.102 R)
• M17: 13,708,251 km (0.092 R)
• M18: 14,055,318 km (0.115 R)
• M19: 15,752,955 km (0.12 R)
• M20: 16,586,066 km (0.066 R)
• M21: 23,178,694 km (0.084 R)
• M22: 24,594,189 km (0.066 R)
• M23: 26,869,423 km (0.092 R)
• M24: 29,090,952 km (0.04 R)
• M25: 34,107,716 km (0.097 R)
• M26: 37,154,726 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 346.3

Radius: 4.2

Gravity: 19.63 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 9.15 AU - 9.59 AU

Year: 19127 Days

Day: 18.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 59,696,622 km

• M1: 52,210 km (0.112 R)
• M2: 196,871 km (0.104 R)
• M3: 455,376 km (0.073 R)
• M4: 661,223 km (0.116 R)
• M5: 993,031 km (0.08 R)
• M6: 1,261,409 km (0.106 R)
• M7: 1,515,726 km (0.028 R)
• M8: 1,820,456 km (0.061 R)
• M9: 2,445,177 km (0.105 R)
• M10: 3,842,721 km (0.1 R)
• M11: 5,924,674 km (0.068 R)
• M12: 6,194,399 km (0.079 R)
• M13: 6,968,119 km (0.108 R)
• M14: 9,308,578 km (0.1 R)
• M15: 15,899,710 km (0.082 R)
• M16: 20,128,992 km (0.039 R)
• M17: 21,629,608 km (0.107 R)
• M18: 23,872,978 km (0.098 R)
• M19: 25,150,693 km (0.098 R)
• M20: 27,309,540 km (0.057 R)
• M21: 27,734,398 km (0.094 R)
• M22: 28,706,186 km (0.079 R)
• M23: 34,152,595 km (0.109 R)
• M24: 36,536,737 km (0.084 R)
• M25: 37,052,401 km (0.073 R)
• M26: 39,568,338 km (0.057 R)
• M27: 41,633,087 km (0.089 R)
• M28: 43,913,707 km (0.053 R)
• M29: 45,232,412 km (0.038 R)
• M30: 46,879,634 km (0.081 R)
• M31: 48,102,447 km (0.099 R)
• M32: 50,452,331 km (0.06 R)
• M33: 50,611,652 km (0.117 R)
• M34: 51,252,380 km (0.118 R)
• M35: 51,413,347 km (0.102 R)
• M36: 51,574,764 km (0.081 R)
• M37: 53,371,883 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 318.1

Radius: 4.3

Gravity: 17.2 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 8.13 AU - 11.43 AU

Year: 20396 Days

Day: 20.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 59,696,622 km

• M1: 57,296 km (0.046 R)
• M2: 351,705 km (0.1 R)
• M3: 574,905 km (0.049 R)
• M4: 867,668 km (0.097 R)
• M5: 1,054,067 km (0.111 R)
• M6: 1,240,466 km (0.107 R)
• M7: 2,044,704 km (0.096 R)
• M8: 2,610,632 km (0.059 R)
• M9: 2,906,387 km (0.062 R)
• M10: 4,929,100 km (0.032 R)
• M11: 9,708,453 km (0.118 R)
• M12: 9,976,532 km (0.109 R)
• M13: 10,360,401 km (0.094 R)
• M14: 11,451,418 km (0.096 R)
• M15: 13,524,844 km (0.036 R)
• M16: 15,109,535 km (0.077 R)
• M17: 16,057,835 km (0.089 R)
• M18: 19,561,717 km (0.117 R)
• M19: 27,924,088 km (0.108 R)
• M20: 29,908,803 km (0.052 R)
• M21: 31,166,921 km (0.094 R)
• M22: 34,280,053 km (0.108 R)
• M23: 34,527,787 km (0.12 R)
• M24: 35,404,281 km (0.091 R)
• M25: 35,657,251 km (0.092 R)
• M26: 41,817,242 km (0.116 R)
• M27: 55,334,308 km (0.111 R)
• M28: 56,189,110 km (0.104 R)
• M29: 58,983,748 km (0.092 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 255 - 14,387 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit