🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.2

Radius: 14.2

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.47 AU - 0.63 AU

Year: 282 Days

Day: 12.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 20,850,335 km

• M1: 176,825 km (0.067 R)
• M2: 669,151 km (0.04 R)
• M3: 1,272,180 km (0.096 R)
• M4: 1,789,639 km (0.12 R)
• M5: 2,281,368 km (0.112 R)
• M6: 2,836,675 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.1

Radius: 13.5

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.36 AU - 1.68 AU

Year: 1294 Days

Day: 11.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 20,850,335 km

• M1: 167,998 km (0.076 R)
• M2: 745,745 km (0.045 R)
• M3: 1,235,230 km (0.116 R)
• M4: 1,721,572 km (0.049 R)
• M5: 2,370,229 km (0.095 R)
• M6: 3,137,217 km (0.08 R)
• M7: 4,031,812 km (0.064 R)
• M8: 4,522,044 km (0.075 R)
• M9: 5,263,751 km (0.04 R)
• M10: 6,687,025 km (0.075 R)
• M11: 7,182,194 km (0.095 R)
• M12: 8,433,879 km (0.068 R)
• M13: 8,900,625 km (0.064 R)
• M14: 9,736,877 km (0.031 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.5

Radius: 14.9

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.3 AU - 1.96 AU

Year: 1436 Days

Day: 14.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 20,850,335 km

• M1: 186,100 km (0.084 R)
• M2: 653,443 km (0.079 R)
• M3: 2,163,484 km (0.067 R)
• M4: 3,064,961 km (0.114 R)
• M5: 6,055,722 km (0.049 R)
• M6: 6,521,420 km (0.077 R)
• M7: 10,128,075 km (0.116 R)
• M8: 11,439,450 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.7

Radius: 9.2

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.12 AU - 2.42 AU

Year: 2361 Days

Day: 13.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 20,850,335 km

• M1: 117,434 km (0.104 R)
• M2: 481,705 km (0.072 R)
• M3: 898,036 km (0.075 R)
• M4: 1,311,076 km (0.079 R)
• M5: 1,693,597 km (0.044 R)
• M6: 2,076,269 km (0.056 R)
• M7: 2,537,180 km (0.091 R)
• M8: 3,362,063 km (0.095 R)
• M9: 4,813,760 km (0.085 R)
• M10: 5,251,334 km (0.062 R)
• M11: 6,422,685 km (0.066 R)
• M12: 6,828,694 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.4

Radius: 13.3

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.3 AU - 2.3 AU

Year: 2408 Days

Day: 14.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 20,850,335 km

• M1: 165,455 km (0.114 R)
• M2: 743,651 km (0.117 R)
• M3: 1,232,238 km (0.103 R)
• M4: 1,843,943 km (0.081 R)
• M5: 3,141,256 km (0.093 R)
• M6: 4,058,590 km (0.118 R)
• M7: 4,771,274 km (0.115 R)
• M8: 6,151,764 km (0.096 R)
• M9: 6,598,612 km (0.093 R)
• M10: 7,014,195 km (0.111 R)
• M11: 7,984,637 km (0.086 R)
• M12: 8,979,762 km (0.076 R)
• M13: 10,157,845 km (0.08 R)
• M14: 10,891,323 km (0.113 R)
• M15: 11,923,848 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.5

Radius: 9.1

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.03 AU - 2.93 AU

Year: 2696 Days

Day: 6.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 20,850,335 km

• M1: 113,246 km (0.102 R)
• M2: 438,023 km (0.117 R)
• M3: 920,177 km (0.071 R)
• M4: 1,479,673 km (0.095 R)
• M5: 2,251,448 km (0.084 R)
• M6: 2,805,558 km (0.059 R)
• M7: 3,322,569 km (0.104 R)
• M8: 4,205,795 km (0.103 R)
• M9: 5,000,159 km (0.088 R)
• M10: 5,684,569 km (0.074 R)
• M11: 6,129,773 km (0.082 R)
• M12: 6,430,016 km (0.03 R)
• M13: 8,611,901 km (0.069 R)
• M14: 10,188,213 km (0.101 R)
• M15: 10,571,782 km (0.101 R)
• M16: 12,900,572 km (0.06 R)
• M17: 16,475,662 km (0.049 R)
• M18: 19,408,977 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.5

Radius: 8

Gravity: 9.8 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.64 AU - 3.58 AU

Year: 3786 Days

Day: 7.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 20,850,335 km

• M1: 99,483 km (0.116 R)
• M2: 387,010 km (0.101 R)
• M3: 836,402 km (0.112 R)
• M4: 1,175,839 km (0.119 R)
• M5: 1,583,493 km (0.083 R)
• M6: 3,691,178 km (0.101 R)
• M7: 3,983,941 km (0.107 R)
• M8: 4,292,262 km (0.116 R)
• M9: 4,760,204 km (0.085 R)
• M10: 6,166,275 km (0.082 R)
• M11: 6,980,087 km (0.104 R)
• M12: 11,004,270 km (0.096 R)
• M13: 11,746,574 km (0.114 R)
• M14: 12,152,882 km (0.077 R)
• M15: 14,072,821 km (0.062 R)
• M16: 15,370,732 km (0.103 R)
• M17: 17,493,526 km (0.092 R)
• M18: 18,808,043 km (0.095 R)
• M19: 21,902,325 km (0.113 R)
• M20: 23,005,011 km (0.07 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784

Radius: 10

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 4.76 AU - 5.42 AU

Year: 7927 Days

Day: 11.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 20,850,335 km

• M1: 124,316 km (0.096 R)
• M2: 618,587 km (0.083 R)
• M3: 1,084,585 km (0.115 R)
• M4: 1,437,336 km (0.081 R)
• M5: 2,548,998 km (0.101 R)
• M6: 2,926,882 km (0.11 R)
• M7: 3,481,591 km (0.074 R)
• M8: 4,000,397 km (0.095 R)
• M9: 4,541,642 km (0.052 R)
• M10: 4,979,216 km (0.114 R)
• M11: 6,355,965 km (0.076 R)
• M12: 7,888,445 km (0.08 R)
• M13: 11,140,105 km (0.037 R)
• M14: 11,454,859 km (0.091 R)
• M15: 12,157,071 km (0.11 R)
• M16: 13,588,124 km (0.065 R)
• M17: 14,561,109 km (0.083 R)
• M18: 18,625,832 km (0.091 R)
• M19: 19,520,877 km (0.108 R)
• M20: 21,720,713 km (0.083 R)
• M21: 25,776,461 km (0.075 R)
• M22: 27,741,728 km (0.089 R)
• M23: 29,704,303 km (0.119 R)
• M24: 34,789,134 km (0.115 R)
• M25: 35,576,169 km (0.081 R)
• M26: 37,185,543 km (0.118 R)
• M27: 39,083,790 km (0.092 R)
• M28: 42,559,547 km (0.055 R)
• M29: 42,943,864 km (0.106 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.1

Radius: 13.4

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 5.3 AU - 5.6 AU

Year: 8782 Days

Day: 11.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 20,850,335 km

• M1: 168,298 km (0.102 R)
• M2: 587,471 km (0.085 R)
• M3: 1,274,873 km (0.105 R)
• M4: 2,355,418 km (0.038 R)
• M5: 4,611,953 km (0.094 R)
• M6: 5,691,002 km (0.079 R)
• M7: 7,230,813 km (0.082 R)
• M8: 9,068,324 km (0.09 R)
• M9: 9,831,871 km (0.067 R)
• M10: 11,199,495 km (0.036 R)
• M11: 12,779,548 km (0.1 R)
• M12: 13,414,591 km (0.098 R)
• M13: 13,881,037 km (0.104 R)
• M14: 14,649,970 km (0.026 R)
• M15: 15,144,690 km (0.108 R)
• M16: 17,291,419 km (0.111 R)
• M17: 19,455,801 km (0.095 R)
• M18: 19,873,329 km (0.085 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 230 - 17,289 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit