🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.6

Radius: 9

Gravity: 11.61 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.64 AU - 0.94 AU

Year: 468 Days

Day: 14.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,439,478 km

• M1: 112,049 km (0.054 R)
• M2: 465,249 km (0.04 R)
• M3: 1,386,323 km (0.102 R)
• M4: 1,782,309 km (0.119 R)
• M5: 2,262,518 km (0.111 R)
• M6: 2,860,012 km (0.12 R)
• M7: 3,368,196 km (0.051 R)
• M8: 3,825,367 km (0.049 R)
• M9: 4,176,773 km (0.086 R)
• M10: 4,473,276 km (0.069 R)
• M11: 5,553,821 km (0.05 R)
• M12: 6,155,204 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.8

Radius: 14.4

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.74 AU - 0.88 AU

Year: 486 Days

Day: 8.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,439,478 km

• M1: 179,218 km (0.096 R)
• M2: 895,792 km (0.085 R)
• M3: 1,362,687 km (0.038 R)
• M4: 2,097,961 km (0.11 R)
• M5: 2,593,129 km (0.09 R)
• M6: 3,340,969 km (0.031 R)
• M7: 3,825,068 km (0.112 R)
• M8: 4,285,381 km (0.106 R)
• M9: 5,046,086 km (0.099 R)
• M10: 5,721,520 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.6

Radius: 13.9

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.78 AU - 0.88 AU

Year: 504 Days

Day: 6 Hours

Environment

Temp: -162 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,439,478 km

• M1: 172,935 km (0.109 R)
• M2: 619,036 km (0.091 R)
• M3: 1,304,344 km (0.104 R)
• M4: 2,010,446 km (0.053 R)
• M5: 2,481,978 km (0.08 R)
• M6: 2,929,725 km (0.103 R)
• M7: 3,742,640 km (0.104 R)
• M8: 5,166,961 km (0.082 R)
• M9: 6,227,759 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.4

Radius: 13

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.46 AU - 5.72 AU

Year: 6558 Days

Day: 9.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,439,478 km

• M1: 161,715 km (0.114 R)
• M2: 657,782 km (0.092 R)
• M3: 1,430,006 km (0.095 R)
• M4: 1,856,659 km (0.108 R)
• M5: 2,538,227 km (0.107 R)
• M6: 3,195,111 km (0.093 R)
• M7: 3,986,634 km (0.102 R)
• M8: 4,850,711 km (0.041 R)
• M9: 5,298,757 km (0.06 R)
• M10: 6,149,968 km (0.112 R)
• M11: 6,812,388 km (0.087 R)
• M12: 8,637,631 km (0.049 R)
• M13: 10,491,149 km (0.084 R)
• M14: 12,389,995 km (0.085 R)
• M15: 12,911,792 km (0.105 R)
• M16: 13,448,101 km (0.083 R)
• M17: 14,796,426 km (0.065 R)
• M18: 15,623,553 km (0.05 R)
• M19: 16,294,798 km (0.077 R)
• M20: 19,591,487 km (0.069 R)
• M21: 20,661,411 km (0.079 R)
• M22: 21,321,885 km (0.079 R)
• M23: 24,105,453 km (0.108 R)
• M24: 26,862,392 km (0.105 R)
• M25: 29,086,464 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.5

Radius: 11

Gravity: 7.9 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 4.43 AU - 5.51 AU

Year: 7389 Days

Day: 9.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,439,478 km

• M1: 136,882 km (0.103 R)
• M2: 681,867 km (0.032 R)
• M3: 1,054,515 km (0.111 R)
• M4: 1,882,839 km (0.116 R)
• M5: 2,746,019 km (0.037 R)
• M6: 4,141,019 km (0.075 R)
• M7: 4,668,650 km (0.116 R)
• M8: 5,398,987 km (0.042 R)
• M9: 7,843,566 km (0.089 R)
• M10: 9,899,041 km (0.064 R)
• M11: 11,633,030 km (0.088 R)
• M12: 12,179,511 km (0.12 R)
• M13: 13,680,875 km (0.087 R)
• M14: 17,610,512 km (0.111 R)
• M15: 24,557,837 km (0.066 R)
• M16: 26,379,490 km (0.109 R)
• M17: 27,707,321 km (0.098 R)
• M18: 31,116,507 km (0.116 R)
• M19: 35,701,831 km (0.061 R)
• M20: 36,275,988 km (0.082 R)
• M21: 38,394,443 km (0.114 R)
• M22: 40,718,596 km (0.046 R)
• M23: 43,264,901 km (0.033 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 411.2

Radius: 7.7

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 6.95 AU - 8.57 AU

Year: 14415 Days

Day: 21.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,439,478 km

• M1: 110,553 km (0.113 R)
• M2: 1,472,492 km (0.069 R)
• M3: 1,863,690 km (0.082 R)
• M4: 2,768,458 km (0.054 R)
• M5: 4,542,988 km (0.065 R)
• M6: 6,495,091 km (0.103 R)
• M7: 11,444,237 km (0.098 R)
• M8: 15,655,268 km (0.083 R)
• M9: 18,373,760 km (0.109 R)
• M10: 22,883,089 km (0.055 R)
• M11: 24,348,849 km (0.068 R)
• M12: 25,488,485 km (0.097 R)
• M13: 29,757,709 km (0.081 R)
• M14: 30,295,663 km (0.114 R)
• M15: 32,968,678 km (0.095 R)
• M16: 39,420,685 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 138.6

Radius: 5.9

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 8.68 AU - 13.12 AU

Year: 23998 Days

Day: 19.4 Hours

Environment

Temp: -242 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,439,478 km

• M1: 78,988 km (0.095 R)
• M2: 429,795 km (0.094 R)
• M3: 718,668 km (0.108 R)
• M4: 928,255 km (0.047 R)
• M5: 1,239,269 km (0.101 R)
• M6: 2,105,889 km (0.095 R)
• M7: 3,469,025 km (0.095 R)
• M8: 3,751,915 km (0.086 R)
• M9: 4,305,576 km (0.105 R)
• M10: 4,602,079 km (0.109 R)
• M11: 5,137,340 km (0.079 R)
• M12: 7,361,562 km (0.074 R)
• M13: 8,683,708 km (0.027 R)
• M14: 10,002,413 km (0.096 R)
• M15: 11,675,067 km (0.116 R)
• M16: 12,077,036 km (0.05 R)
• M17: 14,097,505 km (0.118 R)
• M18: 14,619,302 km (0.097 R)
• M19: 16,120,667 km (0.092 R)
• M20: 17,948,005 km (0.1 R)
• M21: 19,108,435 km (0.083 R)
• M22: 20,153,676 km (0.076 R)
• M23: 20,565,818 km (0.03 R)
• M24: 20,815,646 km (0.099 R)
• M25: 21,406,707 km (0.075 R)
• M26: 27,539,921 km (0.109 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: 510 - 20,320 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit