🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.8

Radius: 14.4

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.64 AU - 0.84 AU

Year: 405 Days

Day: 11 Hours

Environment

Temp: -144 °C

Axial Tilt: 70.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 91,056,952 km

• M1: 180,714 km (0.083 R)
• M2: 849,866 km (0.095 R)
• M3: 1,589,926 km (0.089 R)
• M4: 2,505,465 km (0.094 R)
• M5: 3,130,784 km (0.043 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.1

Radius: 8.8

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.82 AU - 1.28 AU

Year: 684 Days

Day: 12.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 91,056,952 km

• M1: 109,506 km (0.114 R)
• M2: 681,418 km (0.066 R)
• M3: 1,139,188 km (0.056 R)
• M4: 1,905,278 km (0.092 R)
• M5: 2,181,137 km (0.117 R)
• M6: 2,614,672 km (0.032 R)
• M7: 3,317,782 km (0.099 R)
• M8: 3,604,112 km (0.077 R)
• M9: 3,933,975 km (0.092 R)
• M10: 4,226,589 km (0.119 R)
• M11: 5,209,746 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.9

Radius: 8.6

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.61 AU - 2.61 AU

Year: 1949 Days

Day: 8.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 91,056,952 km

• M1: 106,962 km (0.094 R)
• M2: 375,042 km (0.111 R)
• M3: 656,735 km (0.079 R)
• M4: 946,506 km (0.079 R)
• M5: 1,613,563 km (0.115 R)
• M6: 2,000,423 km (0.05 R)
• M7: 2,962,038 km (0.084 R)
• M8: 3,322,270 km (0.066 R)
• M9: 3,952,675 km (0.092 R)
• M10: 4,334,000 km (0.115 R)
• M11: 4,880,481 km (0.086 R)
• M12: 5,149,308 km (0.105 R)
• M13: 5,627,274 km (0.042 R)
• M14: 6,158,196 km (0.118 R)
• M15: 6,646,484 km (0.087 R)
• M16: 8,443,603 km (0.113 R)
• M17: 10,071,078 km (0.104 R)
• M18: 10,338,858 km (0.116 R)
• M19: 11,972,168 km (0.03 R)
• M20: 13,485,949 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.6

Radius: 10.2

Gravity: 8.38 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.08 AU - 2.82 AU

Year: 2438 Days

Day: 14.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 91,056,952 km

• M1: 127,308 km (0.114 R)
• M2: 484,996 km (0.119 R)
• M3: 1,059,003 km (0.097 R)
• M4: 1,377,796 km (0.076 R)
• M5: 2,468,066 km (0.09 R)
• M6: 3,194,363 km (0.106 R)
• M7: 4,077,739 km (0.118 R)
• M8: 4,456,521 km (0.107 R)
• M9: 4,998,065 km (0.098 R)
• M10: 6,831,387 km (0.112 R)
• M11: 7,276,291 km (0.049 R)
• M12: 7,708,778 km (0.092 R)
• M13: 9,576,956 km (0.089 R)
• M14: 9,984,012 km (0.038 R)
• M15: 12,281,536 km (0.092 R)
• M16: 13,255,718 km (0.091 R)
• M17: 14,763,814 km (0.09 R)
• M18: 15,864,854 km (0.091 R)
• M19: 18,061,699 km (0.056 R)
• M20: 20,031,304 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.9

Radius: 14.5

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 3.2 AU - 3.42 AU

Year: 3829 Days

Day: 6.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 91,056,952 km

• M1: 188,045 km (0.081 R)
• M2: 1,301,950 km (0.081 R)
• M3: 2,046,349 km (0.103 R)
• M4: 2,525,212 km (0.091 R)
• M5: 3,622,064 km (0.078 R)
• M6: 4,676,729 km (0.065 R)
• M7: 5,495,927 km (0.065 R)
• M8: 6,191,856 km (0.108 R)
• M9: 8,570,911 km (0.051 R)
• M10: 9,049,026 km (0.111 R)
• M11: 9,984,311 km (0.08 R)
• M12: 11,589,197 km (0.081 R)
• M13: 13,001,401 km (0.045 R)
• M14: 14,429,762 km (0.07 R)
• M15: 16,791,912 km (0.066 R)
• M16: 17,706,554 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.4

Radius: 9.1

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.27 AU - 4.87 AU

Year: 5221 Days

Day: 6.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 91,056,952 km

• M1: 113,096 km (0.113 R)
• M2: 425,905 km (0.095 R)
• M3: 749,934 km (0.068 R)
• M4: 1,511,088 km (0.081 R)
• M5: 1,794,875 km (0.119 R)
• M6: 3,929,786 km (0.101 R)
• M7: 4,954,382 km (0.099 R)
• M8: 8,012,761 km (0.111 R)
• M9: 8,721,705 km (0.069 R)
• M10: 10,007,499 km (0.048 R)
• M11: 10,563,255 km (0.03 R)
• M12: 11,022,521 km (0.106 R)
• M13: 11,655,619 km (0.114 R)
• M14: 12,229,177 km (0.051 R)
• M15: 15,974,061 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.8

Radius: 12.9

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 3.41 AU - 5.21 AU

Year: 5689 Days

Day: 5.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 91,056,952 km

• M1: 172,935 km (0.09 R)
• M2: 597,494 km (0.112 R)
• M3: 2,780,576 km (0.091 R)
• M4: 3,476,954 km (0.067 R)
• M5: 3,891,041 km (0.113 R)
• M6: 4,390,099 km (0.088 R)
• M7: 5,366,973 km (0.107 R)
• M8: 7,298,431 km (0.104 R)
• M9: 8,585,123 km (0.077 R)
• M10: 9,348,072 km (0.073 R)
• M11: 9,836,210 km (0.038 R)
• M12: 10,623,992 km (0.08 R)
• M13: 11,057,975 km (0.11 R)
• M14: 11,858,773 km (0.063 R)
• M15: 12,273,309 km (0.117 R)
• M16: 15,088,890 km (0.064 R)
• M17: 16,582,774 km (0.111 R)
• M18: 18,241,516 km (0.115 R)
• M19: 19,005,512 km (0.05 R)
• M20: 21,273,416 km (0.107 R)
• M21: 22,197,930 km (0.045 R)
• M22: 26,340,744 km (0.07 R)
• M23: 27,496,837 km (0.117 R)
• M24: 28,133,226 km (0.032 R)
• M25: 31,070,580 km (0.111 R)
• M26: 32,765,225 km (0.067 R)
• M27: 33,687,047 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 615.3

Radius: 3.8

Gravity: 42.61 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 6.5 AU - 8.52 AU

Year: 13086 Days

Day: 22.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 91,056,952 km

• M1: 47,273 km (0.074 R)
• M2: 253,120 km (0.117 R)
• M3: 811,419 km (0.1 R)
• M4: 1,235,080 km (0.102 R)
• M5: 1,466,508 km (0.101 R)
• M6: 1,678,339 km (0.12 R)
• M7: 2,163,036 km (0.087 R)
• M8: 2,478,986 km (0.086 R)
• M9: 3,033,097 km (0.061 R)
• M10: 3,226,676 km (0.065 R)
• M11: 3,558,933 km (0.118 R)
• M12: 3,941,605 km (0.079 R)
• M13: 4,113,792 km (0.103 R)
• M14: 4,629,157 km (0.027 R)
• M15: 4,756,464 km (0.092 R)
• M16: 5,569,828 km (0.09 R)
• M17: 6,752,399 km (0.105 R)
• M18: 6,916,209 km (0.109 R)
• M19: 9,703,815 km (0.091 R)
• M20: 11,575,285 km (0.094 R)
• M21: 13,673,993 km (0.106 R)
• M22: 16,158,515 km (0.111 R)
• M23: 17,583,734 km (0.11 R)
• M24: 18,525,901 km (0.061 R)
• M25: 20,085,459 km (0.049 R)
• M26: 20,424,597 km (0.034 R)
• M27: 23,933,864 km (0.077 R)
• M28: 24,315,040 km (0.105 R)
• M29: 24,507,123 km (0.073 R)
• M30: 25,384,066 km (0.065 R)
• M31: 27,929,623 km (0.088 R)
• M32: 29,644,912 km (0.085 R)
• M33: 35,827,044 km (0.045 R)
• M34: 41,982,099 km (0.114 R)
• M35: 43,659,241 km (0.053 R)
• M36: 45,090,593 km (0.086 R)
• M37: 45,526,073 km (0.103 R)
• M38: 46,405,259 km (0.084 R)
• M39: 47,146,667 km (0.106 R)
• M40: 53,363,655 km (0.06 R)
• M41: 53,525,669 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 807.2

Radius: 6.8

Gravity: 17.46 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 10.53 AU - 12.05 AU

Year: 24120 Days

Day: 23.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 91,056,952 km

• M1: 85,121 km (0.086 R)
• M2: 328,816 km (0.074 R)
• M3: 1,014,124 km (0.073 R)
• M4: 1,593,068 km (0.092 R)
• M5: 1,997,281 km (0.096 R)
• M6: 2,901,002 km (0.059 R)
• M7: 3,178,805 km (0.043 R)
• M8: 3,474,111 km (0.056 R)
• M9: 3,755,655 km (0.096 R)
• M10: 5,606,479 km (0.057 R)
• M11: 7,624,555 km (0.098 R)
• M12: 8,047,169 km (0.087 R)
• M13: 8,485,490 km (0.069 R)
• M14: 8,767,333 km (0.102 R)
• M15: 12,152,134 km (0.075 R)
• M16: 12,876,038 km (0.104 R)
• M17: 17,289,176 km (0.087 R)
• M18: 18,484,762 km (0.094 R)
• M19: 26,238,719 km (0.109 R)
• M20: 30,099,989 km (0.03 R)
• M21: 32,097,420 km (0.117 R)
• M22: 32,507,169 km (0.111 R)
• M23: 36,059,370 km (0.077 R)
• M24: 38,771,430 km (0.066 R)
• M25: 44,091,280 km (0.112 R)
• M26: 44,937,555 km (0.119 R)
• M27: 45,967,237 km (0.098 R)
• M28: 48,970,265 km (0.088 R)
• M29: 52,101,348 km (0.061 R)
• M30: 52,857,116 km (0.087 R)
• M31: 60,196,986 km (0.078 R)
• M32: 63,356,493 km (0.048 R)
• M33: 64,868,030 km (0.098 R)
• M34: 65,523,119 km (0.067 R)
• M35: 67,962,911 km (0.116 R)
• M36: 73,258,825 km (0.063 R)
• M37: 78,082,010 km (0.119 R)
• M38: 78,575,683 km (0.116 R)
• M39: 80,571,169 km (0.057 R)
• M40: 84,403,119 km (0.094 R)
• M41: 84,662,821 km (0.092 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 449 - 18,352 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit