🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.1

Radius: 10.3

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.47 AU - 0.61 AU

Year: 274 Days

Day: 13.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,296,179 km

• M1: 128,205 km (0.11 R)
• M2: 560,244 km (0.12 R)
• M3: 895,493 km (0.061 R)
• M4: 1,332,169 km (0.111 R)
• M5: 1,930,561 km (0.058 R)
• M6: 2,637,710 km (0.073 R)
• M7: 3,866,058 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.8

Radius: 11.5

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.24 AU - 1.34 AU

Year: 1011 Days

Day: 12.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,296,179 km

• M1: 143,315 km (0.077 R)
• M2: 696,378 km (0.118 R)
• M3: 1,093,112 km (0.105 R)
• M4: 1,678,787 km (0.069 R)
• M5: 2,224,969 km (0.107 R)
• M6: 2,652,969 km (0.092 R)
• M7: 3,016,342 km (0.032 R)
• M8: 3,907,496 km (0.071 R)
• M9: 5,972,545 km (0.068 R)
• M10: 9,519,661 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.2

Radius: 8.4

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.06 AU - 2.1 AU

Year: 2071 Days

Day: 5.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,296,179 km

• M1: 104,419 km (0.085 R)
• M2: 523,593 km (0.074 R)
• M3: 1,209,050 km (0.099 R)
• M4: 1,656,048 km (0.045 R)
• M5: 2,008,950 km (0.068 R)
• M6: 2,587,594 km (0.047 R)
• M7: 2,993,902 km (0.098 R)
• M8: 3,380,014 km (0.108 R)
• M9: 3,715,862 km (0.115 R)
• M10: 4,760,803 km (0.087 R)
• M11: 5,720,024 km (0.098 R)
• M12: 6,363,893 km (0.094 R)
• M13: 7,933,025 km (0.111 R)
• M14: 8,470,381 km (0.09 R)
• M15: 8,792,465 km (0.095 R)
• M16: 9,461,317 km (0.084 R)
• M17: 9,776,370 km (0.115 R)
• M18: 10,196,292 km (0.114 R)
• M19: 12,517,003 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.5

Radius: 13.7

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.28 AU - 2.78 AU

Year: 2778 Days

Day: 11.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,296,179 km

• M1: 170,841 km (0.119 R)
• M2: 626,665 km (0.114 R)
• M3: 1,300,454 km (0.096 R)
• M4: 1,769,743 km (0.074 R)
• M5: 2,380,850 km (0.056 R)
• M6: 3,974,516 km (0.091 R)
• M7: 4,807,926 km (0.113 R)
• M8: 6,766,461 km (0.112 R)
• M9: 8,834,652 km (0.101 R)
• M10: 9,705,012 km (0.118 R)
• M11: 11,495,699 km (0.052 R)
• M12: 13,363,279 km (0.11 R)
• M13: 13,906,020 km (0.072 R)
• M14: 15,229,811 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352

Radius: 9.7

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.82 AU - 2.96 AU

Year: 3391 Days

Day: 6.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,296,179 km

• M1: 121,922 km (0.026 R)
• M2: 461,958 km (0.114 R)
• M3: 986,149 km (0.062 R)
• M4: 1,417,889 km (0.08 R)
• M5: 1,788,592 km (0.117 R)
• M6: 2,595,822 km (0.083 R)
• M7: 2,913,718 km (0.081 R)
• M8: 3,395,722 km (0.048 R)
• M9: 4,563,034 km (0.113 R)
• M10: 5,333,314 km (0.087 R)
• M11: 5,825,640 km (0.04 R)
• M12: 7,248,316 km (0.114 R)
• M13: 7,883,957 km (0.055 R)
• M14: 8,556,250 km (0.115 R)
• M15: 9,406,116 km (0.103 R)
• M16: 10,311,033 km (0.051 R)
• M17: 11,552,845 km (0.113 R)
• M18: 12,377,877 km (0.097 R)
• M19: 13,463,958 km (0.073 R)
• M20: 14,237,977 km (0.096 R)
• M21: 14,612,421 km (0.092 R)
• M22: 16,893,938 km (0.051 R)
• M23: 17,260,902 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.3

Radius: 8.9

Gravity: 10.33 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.83 AU - 3.85 AU

Year: 4213 Days

Day: 12.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,296,179 km

• M1: 111,002 km (0.115 R)
• M2: 443,707 km (0.119 R)
• M3: 1,079,199 km (0.083 R)
• M4: 1,384,528 km (0.102 R)
• M5: 1,710,352 km (0.119 R)
• M6: 2,296,477 km (0.104 R)
• M7: 2,740,035 km (0.045 R)
• M8: 3,104,754 km (0.088 R)
• M9: 4,230,927 km (0.119 R)
• M10: 4,719,962 km (0.069 R)
• M11: 5,411,553 km (0.096 R)
• M12: 6,048,242 km (0.115 R)
• M13: 6,510,350 km (0.12 R)
• M14: 9,383,377 km (0.069 R)
• M15: 10,130,469 km (0.102 R)
• M16: 11,695,711 km (0.119 R)
• M17: 18,603,243 km (0.091 R)
• M18: 19,981,488 km (0.056 R)
• M19: 20,729,927 km (0.09 R)
• M20: 21,780,552 km (0.08 R)
• M21: 23,685,083 km (0.119 R)
• M22: 26,017,463 km (0.066 R)
• M23: 27,906,436 km (0.11 R)
• M24: 28,244,078 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 510.9

Radius: 4.4

Gravity: 26.39 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 7.14 AU - 9.62 AU

Year: 16745 Days

Day: 16.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 61,296,179 km

• M1: 54,753 km (0.109 R)
• M2: 233,821 km (0.119 R)
• M3: 869,912 km (0.1 R)
• M4: 1,370,466 km (0.038 R)
• M5: 2,137,604 km (0.064 R)
• M6: 3,258,541 km (0.11 R)
• M7: 4,789,226 km (0.047 R)
• M8: 4,957,823 km (0.089 R)
• M9: 5,785,548 km (0.111 R)
• M10: 6,212,201 km (0.086 R)
• M11: 6,869,983 km (0.09 R)
• M12: 7,041,422 km (0.075 R)
• M13: 9,069,371 km (0.033 R)
• M14: 9,327,876 km (0.067 R)
• M15: 9,968,454 km (0.072 R)
• M16: 12,003,733 km (0.056 R)
• M17: 13,683,717 km (0.111 R)
• M18: 14,300,060 km (0.104 R)
• M19: 15,006,312 km (0.03 R)
• M20: 15,222,631 km (0.111 R)
• M21: 18,973,199 km (0.095 R)
• M22: 19,141,646 km (0.037 R)
• M23: 19,825,159 km (0.068 R)
• M24: 20,173,123 km (0.027 R)
• M25: 20,613,689 km (0.114 R)
• M26: 20,881,020 km (0.116 R)
• M27: 22,159,484 km (0.113 R)
• M28: 26,726,557 km (0.118 R)
• M29: 29,228,881 km (0.098 R)
• M30: 31,528,050 km (0.085 R)
• M31: 32,121,206 km (0.045 R)
• M32: 34,317,901 km (0.111 R)
• M33: 37,797,548 km (0.071 R)
• M34: 38,736,573 km (0.089 R)
• M35: 40,104,945 km (0.106 R)
• M36: 41,081,670 km (0.047 R)
• M37: 43,082,691 km (0.111 R)
• M38: 43,519,816 km (0.07 R)
• M39: 45,900,965 km (0.076 R)
• M40: 46,052,508 km (0.105 R)
• M41: 46,204,499 km (0.044 R)
• M42: 47,742,664 km (0.073 R)
• M43: 52,230,750 km (0.085 R)
• M44: 54,746,837 km (0.097 R)
• M45: 60,200,427 km (0.05 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 17,117 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit