🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.2

Radius: 14.5

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.93 AU - 0.99 AU

Year: 649 Days

Day: 11.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,946,874 km

• M1: 181,462 km (0.11 R)
• M2: 755,320 km (0.084 R)
• M3: 1,464,563 km (0.116 R)
• M4: 3,003,028 km (0.096 R)
• M5: 4,160,616 km (0.115 R)
• M6: 4,642,471 km (0.083 R)
• M7: 5,145,419 km (0.115 R)
• M8: 5,737,228 km (0.11 R)
• M9: 6,431,063 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.8

Radius: 12.2

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.35 AU - 1.55 AU

Year: 1205 Days

Day: 5.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,946,874 km

• M1: 152,590 km (0.071 R)
• M2: 730,786 km (0.077 R)
• M3: 1,151,305 km (0.104 R)
• M4: 2,331,184 km (0.101 R)
• M5: 2,814,235 km (0.07 R)
• M6: 3,457,057 km (0.104 R)
• M7: 3,881,466 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.3

Radius: 9.6

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.4 AU - 1.84 AU

Year: 1423 Days

Day: 12.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,946,874 km

• M1: 126,261 km (0.101 R)
• M2: 491,579 km (0.113 R)
• M3: 1,012,030 km (0.096 R)
• M4: 1,431,053 km (0.108 R)
• M5: 1,836,164 km (0.104 R)
• M6: 2,432,461 km (0.1 R)
• M7: 3,702,697 km (0.078 R)
• M8: 5,268,837 km (0.062 R)
• M9: 7,185,784 km (0.109 R)
• M10: 9,952,148 km (0.108 R)
• M11: 10,773,739 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.7

Radius: 13.1

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.71 AU - 1.97 AU

Year: 1723 Days

Day: 5.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 101.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,946,874 km

• M1: 162,912 km (0.031 R)
• M2: 575,353 km (0.057 R)
• M3: 1,380,489 km (0.089 R)
• M4: 1,794,277 km (0.095 R)
• M5: 2,304,555 km (0.092 R)
• M6: 3,215,905 km (0.075 R)
• M7: 3,873,837 km (0.067 R)
• M8: 4,410,893 km (0.105 R)
• M9: 5,395,397 km (0.117 R)
• M10: 5,928,564 km (0.111 R)
• M11: 6,351,477 km (0.097 R)
• M12: 6,769,304 km (0.047 R)
• M13: 7,660,757 km (0.111 R)
• M14: 8,838,093 km (0.097 R)
• M15: 9,870,617 km (0.093 R)
• M16: 11,263,523 km (0.119 R)
• M17: 12,706,394 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.7

Radius: 12.1

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.55 AU - 2.39 AU

Year: 1909 Days

Day: 11.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 60.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,946,874 km

• M1: 153,188 km (0.104 R)
• M2: 637,437 km (0.082 R)
• M3: 1,077,404 km (0.103 R)
• M4: 1,541,157 km (0.07 R)
• M5: 2,128,030 km (0.074 R)
• M6: 2,631,726 km (0.043 R)
• M7: 3,257,194 km (0.068 R)
• M8: 3,691,028 km (0.092 R)
• M9: 4,079,384 km (0.036 R)
• M10: 4,459,363 km (0.118 R)
• M11: 5,639,241 km (0.063 R)
• M12: 8,035,350 km (0.057 R)
• M13: 10,112,966 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.5

Radius: 10.9

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.84 AU - 2.96 AU

Year: 2566 Days

Day: 9.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,946,874 km

• M1: 136,732 km (0.103 R)
• M2: 490,980 km (0.112 R)
• M3: 1,016,518 km (0.105 R)
• M4: 1,436,888 km (0.09 R)
• M5: 1,856,210 km (0.06 R)
• M6: 2,197,742 km (0.066 R)
• M7: 3,469,324 km (0.063 R)
• M8: 3,915,724 km (0.104 R)
• M9: 4,723,254 km (0.069 R)
• M10: 5,368,918 km (0.027 R)
• M11: 7,632,783 km (0.056 R)
• M12: 8,326,468 km (0.099 R)
• M13: 8,992,926 km (0.104 R)
• M14: 10,282,011 km (0.108 R)
• M15: 13,134,992 km (0.084 R)
• M16: 16,684,800 km (0.088 R)
• M17: 17,421,719 km (0.087 R)
• M18: 17,798,257 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.3

Radius: 12.2

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 5.36 AU - 5.46 AU

Year: 8686 Days

Day: 7.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 78,946,874 km

• M1: 159,621 km (0.063 R)
• M2: 716,424 km (0.092 R)
• M3: 1,133,802 km (0.092 R)
• M4: 1,635,105 km (0.098 R)
• M5: 2,114,566 km (0.07 R)
• M6: 2,969,967 km (0.119 R)
• M7: 4,444,852 km (0.106 R)
• M8: 5,647,918 km (0.074 R)
• M9: 6,290,590 km (0.093 R)
• M10: 6,684,631 km (0.064 R)
• M11: 7,803,474 km (0.055 R)
• M12: 8,429,092 km (0.066 R)
• M13: 9,923,874 km (0.11 R)
• M14: 10,861,105 km (0.103 R)
• M15: 11,748,669 km (0.053 R)
• M16: 12,293,055 km (0.117 R)
• M17: 13,257,214 km (0.115 R)
• M18: 14,640,844 km (0.098 R)
• M19: 16,052,450 km (0.098 R)
• M20: 19,294,236 km (0.087 R)
• M21: 19,899,359 km (0.09 R)
• M22: 20,673,827 km (0.117 R)
• M23: 21,548,676 km (0.07 R)
• M24: 22,200,324 km (0.103 R)
• M25: 35,276,075 km (0.111 R)
• M26: 39,715,243 km (0.116 R)
• M27: 42,448,545 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 931.1

Radius: 3.3

Gravity: 85.5 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 6.41 AU - 9.49 AU

Year: 15473 Days

Day: 21.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 78,946,874 km

• M1: 41,588 km (0.101 R)
• M2: 183,108 km (0.108 R)
• M3: 428,000 km (0.052 R)
• M4: 551,418 km (0.109 R)
• M5: 707,897 km (0.085 R)
• M6: 927,507 km (0.059 R)
• M7: 1,123,779 km (0.085 R)
• M8: 1,485,357 km (0.11 R)
• M9: 2,930,772 km (0.092 R)
• M10: 3,464,687 km (0.062 R)
• M11: 4,317,095 km (0.117 R)
• M12: 4,687,350 km (0.06 R)
• M13: 4,791,919 km (0.079 R)
• M14: 6,088,185 km (0.117 R)
• M15: 7,271,055 km (0.108 R)
• M16: 8,240,449 km (0.061 R)
• M17: 9,237,968 km (0.108 R)
• M18: 9,347,473 km (0.072 R)
• M19: 9,908,017 km (0.106 R)
• M20: 11,344,007 km (0.097 R)
• M21: 13,187,800 km (0.051 R)
• M22: 14,107,977 km (0.101 R)
• M23: 14,399,393 km (0.091 R)
• M24: 14,919,246 km (0.071 R)
• M25: 15,451,515 km (0.11 R)
• M26: 18,650,367 km (0.086 R)
• M27: 20,823,425 km (0.106 R)
• M28: 23,872,230 km (0.067 R)
• M29: 28,924,300 km (0.051 R)
• M30: 30,229,840 km (0.096 R)
• M31: 33,729,084 km (0.101 R)
• M32: 36,251,454 km (0.05 R)
• M33: 41,221,394 km (0.095 R)
• M34: 44,100,555 km (0.107 R)
• M35: 45,509,916 km (0.115 R)
• M36: 49,749,669 km (0.091 R)
• M37: 52,311,383 km (0.1 R)
• M38: 54,423,107 km (0.076 R)
• M39: 54,601,577 km (0.103 R)
• M40: 54,780,496 km (0.11 R)
• M41: 54,959,715 km (0.108 R)
• M42: 71,030,266 km (0.093 R)

Asteroid Belt

Center: 8.36 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 952.3

Radius: 5.5

Gravity: 31.48 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 8.62 AU - 8.92 AU

Year: 17927 Days

Day: 23.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 78,946,874 km

• M1: 68,665 km (0.042 R)
• M2: 266,883 km (0.075 R)
• M3: 559,795 km (0.119 R)
• M4: 1,092,064 km (0.115 R)
• M5: 1,992,195 km (0.064 R)
• M6: 2,306,350 km (0.119 R)
• M7: 3,657,369 km (0.098 R)
• M8: 3,904,056 km (0.111 R)
• M9: 5,386,271 km (0.114 R)
• M10: 6,561,063 km (0.111 R)
• M11: 7,160,801 km (0.12 R)
• M12: 7,696,212 km (0.073 R)
• M13: 8,101,921 km (0.038 R)
• M14: 12,420,064 km (0.072 R)
• M15: 13,407,709 km (0.111 R)
• M16: 13,846,629 km (0.052 R)
• M17: 17,972,389 km (0.106 R)
• M18: 20,169,832 km (0.107 R)
• M19: 21,038,098 km (0.076 R)
• M20: 23,265,012 km (0.115 R)
• M21: 32,552,945 km (0.073 R)
• M22: 32,947,585 km (0.045 R)
• M23: 33,212,373 km (0.117 R)
• M24: 33,612,248 km (0.106 R)
• M25: 34,421,572 km (0.078 R)
• M26: 35,105,833 km (0.071 R)
• M27: 46,320,886 km (0.058 R)
• M28: 49,024,419 km (0.081 R)
• M29: 50,064,723 km (0.072 R)
• M30: 50,239,453 km (0.06 R)
• M31: 53,638,765 km (0.11 R)
• M32: 56,617,708 km (0.079 R)
• M33: 56,807,547 km (0.065 R)
• M34: 57,188,274 km (0.095 R)
• M35: 58,147,795 km (0.086 R)
• M36: 63,310,417 km (0.039 R)
• M37: 71,171,785 km (0.102 R)
• M38: 73,628,482 km (0.106 R)
• M39: 74,992,066 km (0.102 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 474 - 19,459 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit