🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573

Radius: 8.2

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.49 AU - 0.53 AU

Year: 243 Days

Day: 6.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,952,377 km

• M1: 102,026 km (0.072 R)
• M2: 357,838 km (0.115 R)
• M3: 650,751 km (0.03 R)
• M4: 993,180 km (0.064 R)
• M5: 1,276,369 km (0.111 R)
• M6: 1,752,090 km (0.086 R)
• M7: 2,365,442 km (0.06 R)
• M8: 2,735,547 km (0.075 R)
• M9: 3,047,608 km (0.115 R)
• M10: 3,352,638 km (0.046 R)
• M11: 3,721,845 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.6

Radius: 8

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.45 AU - 0.71 AU

Year: 295 Days

Day: 10.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 33,952,377 km

• M1: 100,081 km (0.093 R)
• M2: 351,106 km (0.072 R)
• M3: 718,219 km (0.096 R)
• M4: 1,472,492 km (0.116 R)
• M5: 2,210,458 km (0.093 R)
• M6: 3,164,593 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.9

Radius: 10.2

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.51 AU - 0.77 AU

Year: 341 Days

Day: 7.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,952,377 km

• M1: 126,859 km (0.045 R)
• M2: 488,437 km (0.112 R)
• M3: 834,008 km (0.101 R)
• M4: 1,964,220 km (0.09 R)
• M5: 2,395,810 km (0.065 R)
• M6: 3,385,998 km (0.103 R)
• M7: 3,735,758 km (0.074 R)
• M8: 4,376,935 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.1

Radius: 10.3

Gravity: 8.48 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.82 AU - 1.18 AU

Year: 667 Days

Day: 7.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,952,377 km

• M1: 128,056 km (0.054 R)
• M2: 483,500 km (0.119 R)
• M3: 842,834 km (0.046 R)
• M4: 1,165,966 km (0.092 R)
• M5: 1,550,881 km (0.107 R)
• M6: 1,965,267 km (0.107 R)
• M7: 3,355,929 km (0.102 R)
• M8: 3,861,719 km (0.097 R)
• M9: 4,532,067 km (0.084 R)
• M10: 5,845,537 km (0.099 R)
• M11: 6,665,184 km (0.106 R)
• M12: 6,991,606 km (0.079 R)
• M13: 8,431,037 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.6

Radius: 12.4

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.12 AU - 2.38 AU

Year: 2251 Days

Day: 5.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,952,377 km

• M1: 154,535 km (0.054 R)
• M2: 686,953 km (0.115 R)
• M3: 1,754,933 km (0.104 R)
• M4: 2,152,564 km (0.086 R)
• M5: 2,864,650 km (0.077 R)
• M6: 3,798,888 km (0.109 R)
• M7: 4,415,531 km (0.045 R)
• M8: 5,545,294 km (0.069 R)
• M9: 6,215,492 km (0.096 R)
• M10: 8,039,539 km (0.115 R)
• M11: 9,384,125 km (0.119 R)
• M12: 10,692,657 km (0.04 R)
• M13: 11,579,623 km (0.103 R)
• M14: 12,080,178 km (0.12 R)
• M15: 12,878,581 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.8

Radius: 9.4

Gravity: 10.07 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.89 AU - 6.09 AU

Year: 7433 Days

Day: 13.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 33,952,377 km

• M1: 116,986 km (0.096 R)
• M2: 485,595 km (0.095 R)
• M3: 895,493 km (0.105 R)
• M4: 1,249,591 km (0.038 R)
• M5: 1,627,176 km (0.096 R)
• M6: 2,392,070 km (0.054 R)
• M7: 2,960,093 km (0.119 R)
• M8: 3,472,466 km (0.093 R)
• M9: 4,447,993 km (0.096 R)
• M10: 5,895,054 km (0.104 R)
• M11: 6,597,565 km (0.12 R)
• M12: 8,424,454 km (0.074 R)
• M13: 8,729,335 km (0.086 R)
• M14: 9,177,829 km (0.061 R)
• M15: 18,830,632 km (0.111 R)
• M16: 21,784,592 km (0.094 R)
• M17: 23,801,470 km (0.114 R)
• M18: 27,150,218 km (0.039 R)
• M19: 27,530,047 km (0.054 R)
• M20: 28,690,927 km (0.038 R)
• M21: 30,492,983 km (0.053 R)
• M22: 33,011,313 km (0.111 R)
• M23: 33,335,642 km (0.079 R)
• M24: 42,150,397 km (0.042 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 147.9

Radius: 6.1

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 6.83 AU - 7.53 AU

Year: 12830 Days

Day: 17.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 33,952,377 km

• M1: 75,846 km (0.06 R)
• M2: 713,432 km (0.11 R)
• M3: 1,466,957 km (0.076 R)
• M4: 1,669,662 km (0.059 R)
• M5: 2,116,511 km (0.059 R)
• M6: 5,263,451 km (0.069 R)
• M7: 5,559,805 km (0.11 R)
• M8: 7,466,579 km (0.118 R)
• M9: 9,639,189 km (0.049 R)
• M10: 10,038,316 km (0.081 R)
• M11: 11,946,288 km (0.077 R)
• M12: 12,932,138 km (0.07 R)
• M13: 13,527,088 km (0.119 R)
• M14: 15,662,448 km (0.078 R)
• M15: 15,905,994 km (0.095 R)
• M16: 19,798,231 km (0.112 R)
• M17: 21,027,477 km (0.045 R)
• M18: 21,249,630 km (0.086 R)
• M19: 22,926,472 km (0.085 R)
• M20: 23,957,800 km (0.086 R)
• M21: 26,112,458 km (0.107 R)
• M22: 29,674,533 km (0.094 R)
• M23: 30,518,414 km (0.092 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 469 - 15,122 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit