🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.3

Radius: 9.8

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.8 AU - 1.2 AU

Year: 678 Days

Day: 8.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,131,389 km

• M1: 121,922 km (0.114 R)
• M2: 495,618 km (0.115 R)
• M3: 843,882 km (0.114 R)
• M4: 1,433,297 km (0.067 R)
• M5: 2,699,045 km (0.09 R)
• M6: 3,123,454 km (0.079 R)
• M7: 3,683,399 km (0.079 R)
• M8: 4,338,338 km (0.109 R)
• M9: 5,318,803 km (0.109 R)
• M10: 6,193,202 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.7

Radius: 8.2

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.53 AU - 4.61 AU

Year: 5569 Days

Day: 13 Hours

Environment

Temp: -222 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,131,389 km

• M1: 104,120 km (0.101 R)
• M2: 651,948 km (0.068 R)
• M3: 1,132,905 km (0.098 R)
• M4: 1,502,561 km (0.063 R)
• M5: 2,244,566 km (0.098 R)
• M6: 2,535,086 km (0.075 R)
• M7: 2,902,797 km (0.052 R)
• M8: 3,267,666 km (0.078 R)
• M9: 3,787,519 km (0.08 R)
• M10: 4,067,716 km (0.113 R)
• M11: 4,454,875 km (0.093 R)
• M12: 4,916,534 km (0.079 R)
• M13: 5,765,951 km (0.074 R)
• M14: 7,856,132 km (0.037 R)
• M15: 8,714,226 km (0.097 R)
• M16: 9,166,161 km (0.079 R)
• M17: 9,475,978 km (0.108 R)
• M18: 11,131,578 km (0.111 R)
• M19: 15,709,721 km (0.103 R)
• M20: 17,301,592 km (0.111 R)
• M21: 20,080,821 km (0.101 R)
• M22: 21,610,160 km (0.073 R)
• M23: 22,229,196 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.5

Radius: 11.8

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 4.11 AU - 4.27 AU

Year: 5817 Days

Day: 12.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,131,389 km

• M1: 146,756 km (0.106 R)
• M2: 616,044 km (0.089 R)
• M3: 1,985,313 km (0.108 R)
• M4: 2,529,700 km (0.103 R)
• M5: 3,069,150 km (0.097 R)
• M6: 3,684,446 km (0.11 R)
• M7: 4,783,691 km (0.069 R)
• M8: 5,434,741 km (0.078 R)
• M9: 6,144,284 km (0.107 R)
• M10: 7,369,490 km (0.067 R)
• M11: 8,172,532 km (0.071 R)
• M12: 9,877,050 km (0.115 R)
• M13: 11,511,107 km (0.082 R)
• M14: 12,771,170 km (0.101 R)
• M15: 13,786,790 km (0.078 R)
• M16: 14,607,933 km (0.05 R)
• M17: 18,974,545 km (0.113 R)
• M18: 20,112,237 km (0.104 R)
• M19: 20,542,780 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.8

Radius: 12.4

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 3.49 AU - 5.65 AU

Year: 6626 Days

Day: 12.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,131,389 km

• M1: 154,684 km (0.03 R)
• M2: 570,716 km (0.034 R)
• M3: 1,175,989 km (0.1 R)
• M4: 2,602,255 km (0.083 R)
• M5: 3,030,404 km (0.055 R)
• M6: 3,946,841 km (0.102 R)
• M7: 4,654,887 km (0.087 R)
• M8: 5,524,500 km (0.081 R)
• M9: 6,768,107 km (0.11 R)
• M10: 8,935,331 km (0.118 R)
• M11: 10,317,466 km (0.055 R)
• M12: 11,574,387 km (0.047 R)
• M13: 12,605,117 km (0.109 R)
• M14: 14,390,418 km (0.049 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 436.4

Radius: 5.6

Gravity: 13.92 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 6.91 AU - 7.27 AU

Year: 12804 Days

Day: 23 Hours

Environment

Temp: -227 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 72,131,389 km

• M1: 69,862 km (0.119 R)
• M2: 377,136 km (0.067 R)
• M3: 933,042 km (0.087 R)
• M4: 1,158,785 km (0.104 R)
• M5: 1,447,509 km (0.095 R)
• M6: 1,846,786 km (0.106 R)
• M7: 2,187,719 km (0.103 R)
• M8: 2,470,160 km (0.074 R)
• M9: 2,819,471 km (0.036 R)
• M10: 3,039,978 km (0.082 R)
• M11: 3,667,691 km (0.11 R)
• M12: 4,584,128 km (0.113 R)
• M13: 4,921,022 km (0.1 R)
• M14: 5,888,771 km (0.101 R)
• M15: 6,067,540 km (0.058 R)
• M16: 6,741,778 km (0.112 R)
• M17: 8,149,494 km (0.064 R)
• M18: 8,828,818 km (0.056 R)
• M19: 9,110,810 km (0.108 R)
• M20: 10,824,004 km (0.027 R)
• M21: 11,588,001 km (0.111 R)
• M22: 14,095,261 km (0.107 R)
• M23: 15,339,766 km (0.085 R)
• M24: 15,679,054 km (0.088 R)
• M25: 16,655,928 km (0.119 R)
• M26: 17,821,146 km (0.096 R)
• M27: 19,909,083 km (0.067 R)
• M28: 22,240,865 km (0.098 R)
• M29: 24,013,749 km (0.105 R)
• M30: 27,141,392 km (0.075 R)
• M31: 28,648,740 km (0.112 R)
• M32: 35,355,063 km (0.047 R)
• M33: 39,006,747 km (0.105 R)
• M34: 42,901,977 km (0.103 R)
• M35: 45,220,444 km (0.115 R)
• M36: 46,198,964 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 582.6

Radius: 7.8

Gravity: 9.58 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 8.97 AU - 10.13 AU

Year: 20017 Days

Day: 20.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 72,131,389 km

• M1: 135,236 km (0.038 R)
• M2: 560,543 km (0.071 R)
• M3: 895,792 km (0.105 R)
• M4: 1,249,741 km (0.089 R)
• M5: 1,695,243 km (0.079 R)
• M6: 2,140,746 km (0.099 R)
• M7: 3,926,196 km (0.097 R)
• M8: 4,604,323 km (0.097 R)
• M9: 4,989,388 km (0.114 R)
• M10: 5,587,780 km (0.056 R)
• M11: 6,530,695 km (0.044 R)
• M12: 7,528,214 km (0.079 R)
• M13: 9,101,235 km (0.118 R)
• M14: 10,225,613 km (0.026 R)
• M15: 14,006,849 km (0.114 R)
• M16: 16,127,847 km (0.091 R)
• M17: 19,606,746 km (0.114 R)
• M18: 20,246,875 km (0.056 R)
• M19: 21,956,928 km (0.081 R)
• M20: 23,658,155 km (0.067 R)
• M21: 26,760,217 km (0.105 R)
• M22: 28,699,304 km (0.086 R)
• M23: 30,486,550 km (0.031 R)
• M24: 30,975,286 km (0.109 R)
• M25: 31,469,408 km (0.104 R)
• M26: 32,855,133 km (0.089 R)
• M27: 33,111,394 km (0.056 R)
• M28: 37,674,429 km (0.064 R)
• M29: 38,096,145 km (0.096 R)
• M30: 43,404,925 km (0.067 R)
• M31: 45,914,878 km (0.119 R)
• M32: 50,537,452 km (0.1 R)
• M33: 52,785,309 km (0.038 R)
• M34: 61,857,523 km (0.078 R)
• M35: 62,248,422 km (0.085 R)
• M36: 69,148,175 km (0.098 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: 200 - 15,986 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit