🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.9

Radius: 11.8

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.6 AU - 0.82 AU

Year: 406 Days

Day: 14.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 77,876,039 km

• M1: 146,756 km (0.109 R)
• M2: 584,628 km (0.051 R)
• M3: 953,088 km (0.102 R)
• M4: 2,056,073 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.9

Radius: 9

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.01 AU - 1.13 AU

Year: 751 Days

Day: 6.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,876,039 km

• M1: 112,498 km (0.107 R)
• M2: 464,352 km (0.066 R)
• M3: 890,855 km (0.117 R)
• M4: 1,221,766 km (0.083 R)
• M5: 1,548,188 km (0.093 R)
• M6: 2,559,320 km (0.09 R)
• M7: 3,824,021 km (0.117 R)
• M8: 4,282,837 km (0.084 R)
• M9: 4,967,397 km (0.095 R)
• M10: 5,344,534 km (0.063 R)
• M11: 5,829,380 km (0.108 R)
• M12: 6,324,400 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.3

Radius: 11

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 4.54 AU - 4.56 AU

Year: 6583 Days

Day: 10.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,876,039 km

• M1: 139,425 km (0.087 R)
• M2: 700,417 km (0.091 R)
• M3: 1,094,009 km (0.089 R)
• M4: 2,740,633 km (0.106 R)
• M5: 3,330,198 km (0.04 R)
• M6: 3,795,896 km (0.118 R)
• M7: 4,692,436 km (0.083 R)
• M8: 5,128,365 km (0.115 R)
• M9: 6,138,001 km (0.041 R)
• M10: 6,541,765 km (0.095 R)
• M11: 6,901,997 km (0.107 R)
• M12: 8,548,322 km (0.05 R)
• M13: 8,906,608 km (0.079 R)
• M14: 9,924,921 km (0.109 R)
• M15: 10,851,979 km (0.111 R)
• M16: 11,487,172 km (0.094 R)
• M17: 12,146,898 km (0.092 R)
• M18: 12,971,781 km (0.086 R)
• M19: 13,638,688 km (0.072 R)
• M20: 16,983,098 km (0.025 R)
• M21: 18,784,556 km (0.112 R)
• M22: 21,687,503 km (0.059 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 616.6

Radius: 6.3

Gravity: 15.54 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 5.48 AU - 7.38 AU

Year: 11059 Days

Day: 15.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 109.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 77,876,039 km

• M1: 79,586 km (0.092 R)
• M2: 334,202 km (0.087 R)
• M3: 804,986 km (0.059 R)
• M4: 1,083,687 km (0.061 R)
• M5: 1,283,550 km (0.11 R)
• M6: 1,969,606 km (0.104 R)
• M7: 2,422,438 km (0.068 R)
• M8: 2,964,731 km (0.047 R)
• M9: 3,217,252 km (0.09 R)
• M10: 3,459,152 km (0.069 R)
• M11: 3,952,525 km (0.109 R)
• M12: 4,581,285 km (0.113 R)
• M13: 5,611,865 km (0.03 R)
• M14: 7,687,685 km (0.112 R)
• M15: 8,299,690 km (0.095 R)
• M16: 8,617,585 km (0.08 R)
• M17: 9,472,537 km (0.059 R)
• M18: 13,337,997 km (0.064 R)
• M19: 22,287,988 km (0.119 R)
• M20: 26,730,297 km (0.094 R)
• M21: 27,624,144 km (0.119 R)
• M22: 28,640,363 km (0.064 R)
• M23: 30,532,327 km (0.119 R)
• M24: 31,290,040 km (0.039 R)
• M25: 35,385,880 km (0.119 R)
• M26: 35,981,579 km (0.084 R)
• M27: 40,729,516 km (0.072 R)
• M28: 43,388,618 km (0.11 R)
• M29: 43,660,737 km (0.05 R)
• M30: 45,737,903 km (0.067 R)
• M31: 46,019,746 km (0.116 R)
• M32: 49,049,551 km (0.046 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 257.3

Radius: 6.6

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 7.85 AU - 9.15 AU

Year: 16808 Days

Day: 23.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 77,876,039 km

• M1: 84,822 km (0.117 R)
• M2: 321,935 km (0.075 R)
• M3: 630,705 km (0.096 R)
• M4: 891,454 km (0.106 R)
• M5: 1,248,095 km (0.09 R)
• M6: 1,536,221 km (0.076 R)
• M7: 2,139,100 km (0.113 R)
• M8: 2,397,455 km (0.1 R)
• M9: 2,845,800 km (0.096 R)
• M10: 3,621,316 km (0.112 R)
• M11: 5,547,687 km (0.078 R)
• M12: 6,787,854 km (0.064 R)
• M13: 8,745,940 km (0.12 R)
• M14: 9,026,287 km (0.066 R)
• M15: 9,507,094 km (0.107 R)
• M16: 11,770,959 km (0.043 R)
• M17: 12,055,644 km (0.072 R)
• M18: 12,638,627 km (0.115 R)
• M19: 13,860,841 km (0.09 R)
• M20: 16,326,364 km (0.097 R)
• M21: 17,112,201 km (0.117 R)
• M22: 17,477,669 km (0.098 R)
• M23: 18,759,124 km (0.083 R)
• M24: 23,964,532 km (0.094 R)
• M25: 25,260,199 km (0.116 R)
• M26: 26,310,526 km (0.068 R)
• M27: 26,993,739 km (0.084 R)
• M28: 27,990,360 km (0.116 R)
• M29: 28,600,121 km (0.116 R)
• M30: 30,056,905 km (0.079 R)
• M31: 31,562,608 km (0.045 R)
• M32: 35,427,169 km (0.025 R)
• M33: 38,089,114 km (0.1 R)
• M34: 38,586,976 km (0.087 R)
• M35: 42,327,371 km (0.06 R)
• M36: 42,995,774 km (0.099 R)
• M37: 45,739,998 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 956.5

Radius: 7.2

Gravity: 18.45 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 7.35 AU - 10.13 AU

Year: 17525 Days

Day: 17.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 77,876,039 km

• M1: 89,609 km (0.061 R)
• M2: 666,309 km (0.11 R)
• M3: 975,528 km (0.033 R)
• M4: 1,205,759 km (0.112 R)
• M5: 1,570,179 km (0.117 R)
• M6: 2,296,477 km (0.064 R)
• M7: 2,520,874 km (0.052 R)
• M8: 2,859,563 km (0.032 R)
• M9: 4,775,164 km (0.044 R)
• M10: 5,489,943 km (0.093 R)
• M11: 5,977,033 km (0.041 R)
• M12: 7,660,907 km (0.051 R)
• M13: 10,167,120 km (0.042 R)
• M14: 12,202,549 km (0.084 R)
• M15: 13,031,321 km (0.111 R)
• M16: 13,897,044 km (0.066 R)
• M17: 16,065,315 km (0.116 R)
• M18: 19,171,715 km (0.11 R)
• M19: 21,550,471 km (0.103 R)
• M20: 22,149,311 km (0.119 R)
• M21: 22,656,747 km (0.108 R)
• M22: 30,101,784 km (0.099 R)
• M23: 33,301,084 km (0.081 R)
• M24: 34,506,245 km (0.101 R)
• M25: 36,719,994 km (0.096 R)
• M26: 38,006,087 km (0.075 R)
• M27: 38,733,282 km (0.094 R)
• M28: 39,767,004 km (0.042 R)
• M29: 41,581,775 km (0.039 R)
• M30: 42,978,571 km (0.05 R)
• M31: 43,609,275 km (0.084 R)
• M32: 47,189,003 km (0.07 R)
• M33: 48,537,777 km (0.057 R)
• M34: 49,912,133 km (0.097 R)
• M35: 71,743,848 km (0.096 R)
• M36: 73,077,662 km (0.157 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 163 - 13,722 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit