🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.6

Radius: 9

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.59 AU - 0.63 AU

Year: 318 Days

Day: 11.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 42,435,818 km

• M1: 112,348 km (0.116 R)
• M2: 438,471 km (0.071 R)
• M3: 734,675 km (0.095 R)
• M4: 1,042,099 km (0.031 R)
• M5: 1,494,932 km (0.058 R)
• M6: 1,829,283 km (0.041 R)
• M7: 2,299,618 km (0.119 R)
• M8: 2,740,633 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.8

Radius: 10.7

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.54 AU - 0.78 AU

Year: 358 Days

Day: 8.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 96.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,435,818 km

• M1: 133,142 km (0.081 R)
• M2: 466,147 km (0.112 R)
• M3: 958,922 km (0.095 R)
• M4: 1,326,634 km (0.119 R)
• M5: 1,738,926 km (0.06 R)
• M6: 2,368,583 km (0.117 R)
• M7: 3,090,094 km (0.101 R)
• M8: 3,426,689 km (0.053 R)
• M9: 3,965,241 km (0.113 R)
• M10: 4,309,316 km (0.111 R)
• M11: 5,321,196 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336

Radius: 10

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.55 AU - 0.79 AU

Year: 366 Days

Day: 10.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 42,435,818 km

• M1: 124,465 km (0.057 R)
• M2: 673,041 km (0.053 R)
• M3: 2,185,326 km (0.097 R)
• M4: 2,757,687 km (0.114 R)
• M5: 3,260,486 km (0.063 R)
• M6: 3,834,941 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.5

Radius: 12.5

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.01 AU - 1.11 AU

Year: 728 Days

Day: 8.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,435,818 km

• M1: 156,629 km (0.105 R)
• M2: 641,924 km (0.094 R)
• M3: 1,039,256 km (0.078 R)
• M4: 1,472,492 km (0.113 R)
• M5: 1,866,233 km (0.048 R)
• M6: 2,280,470 km (0.069 R)
• M7: 2,982,533 km (0.098 R)
• M8: 3,927,243 km (0.083 R)
• M9: 4,650,399 km (0.116 R)
• M10: 5,168,606 km (0.05 R)
• M11: 5,899,691 km (0.09 R)
• M12: 6,341,903 km (0.113 R)
• M13: 6,980,685 km (0.068 R)
• M14: 8,019,044 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.7

Radius: 13.2

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.43 AU - 1.47 AU

Year: 1164 Days

Day: 5.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,435,818 km

• M1: 167,699 km (0.101 R)
• M2: 673,639 km (0.09 R)
• M3: 1,102,237 km (0.114 R)
• M4: 1,546,842 km (0.118 R)
• M5: 2,291,391 km (0.026 R)
• M6: 3,574,641 km (0.091 R)
• M7: 4,024,482 km (0.037 R)
• M8: 5,723,166 km (0.109 R)
• M9: 6,219,232 km (0.12 R)
• M10: 6,765,414 km (0.077 R)
• M11: 7,882,611 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.5

Radius: 11.9

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.51 AU - 2.61 AU

Year: 2731 Days

Day: 14.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,435,818 km

• M1: 147,952 km (0.076 R)
• M2: 574,755 km (0.08 R)
• M3: 1,127,070 km (0.086 R)
• M4: 1,751,791 km (0.091 R)
• M5: 2,490,655 km (0.104 R)
• M6: 3,377,770 km (0.113 R)
• M7: 4,192,181 km (0.064 R)
• M8: 4,960,067 km (0.102 R)
• M9: 7,375,025 km (0.095 R)
• M10: 10,380,447 km (0.111 R)
• M11: 10,810,690 km (0.115 R)
• M12: 12,173,527 km (0.094 R)
• M13: 12,814,853 km (0.066 R)
• M14: 14,034,375 km (0.119 R)
• M15: 15,747,719 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.6

Radius: 13.3

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.29 AU - 3.55 AU

Year: 3327 Days

Day: 11 Hours

Environment

Temp: -217 °C

Axial Tilt: 136.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,435,818 km

• M1: 165,605 km (0.093 R)
• M2: 590,313 km (0.112 R)
• M3: 1,172,548 km (0.1 R)
• M4: 1,615,807 km (0.118 R)
• M5: 2,342,852 km (0.076 R)
• M6: 2,758,884 km (0.101 R)
• M7: 4,339,535 km (0.109 R)
• M8: 4,876,143 km (0.112 R)
• M9: 6,429,567 km (0.113 R)
• M10: 7,066,704 km (0.064 R)
• M11: 7,579,975 km (0.07 R)
• M12: 8,152,785 km (0.035 R)
• M13: 9,347,174 km (0.029 R)
• M14: 10,531,391 km (0.094 R)
• M15: 14,027,194 km (0.082 R)
• M16: 14,944,378 km (0.08 R)
• M17: 16,672,832 km (0.048 R)
• M18: 17,296,805 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778

Radius: 8.8

Gravity: 10.05 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 3.96 AU - 6.36 AU

Year: 7816 Days

Day: 13.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 42,435,818 km

• M1: 109,506 km (0.041 R)
• M2: 399,726 km (0.061 R)
• M3: 980,165 km (0.082 R)
• M4: 1,322,146 km (0.091 R)
• M5: 1,743,862 km (0.113 R)
• M6: 2,084,198 km (0.031 R)
• M7: 2,487,364 km (0.098 R)
• M8: 2,838,620 km (0.04 R)
• M9: 3,739,648 km (0.088 R)
• M10: 4,122,768 km (0.108 R)
• M11: 7,036,934 km (0.111 R)
• M12: 7,865,706 km (0.081 R)
• M13: 8,583,178 km (0.074 R)
• M14: 10,294,877 km (0.041 R)
• M15: 11,414,318 km (0.096 R)
• M16: 12,725,992 km (0.061 R)
• M17: 14,814,827 km (0.106 R)
• M18: 16,710,830 km (0.07 R)
• M19: 17,261,051 km (0.062 R)
• M20: 21,057,396 km (0.107 R)
• M21: 24,398,665 km (0.094 R)
• M22: 24,839,829 km (0.08 R)
• M23: 25,376,137 km (0.046 R)
• M24: 26,750,642 km (0.079 R)
• M25: 27,503,718 km (0.089 R)
• M26: 29,448,191 km (0.086 R)
• M27: 30,555,814 km (0.106 R)
• M28: 30,862,639 km (0.069 R)
• M29: 31,900,400 km (0.083 R)
• M30: 35,715,744 km (0.056 R)
• M31: 37,090,997 km (0.096 R)
• M32: 39,099,049 km (0.097 R)
• M33: 40,806,410 km (0.094 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: 385 - 12,999 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit