🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.6

Radius: 12.4

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.72 AU - 0.82 AU

Year: 466 Days

Day: 15 Hours

Environment

Temp: -156 °C

Axial Tilt: 83.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,633,760 km

• M1: 154,235 km (0.104 R)
• M2: 757,115 km (0.118 R)
• M3: 1,164,619 km (0.078 R)
• M4: 1,624,633 km (0.089 R)
• M5: 2,402,392 km (0.109 R)
• M6: 3,196,757 km (0.075 R)
• M7: 3,742,939 km (0.082 R)
• M8: 4,420,916 km (0.112 R)
• M9: 5,799,161 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.7

Radius: 14.6

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.09 AU - 1.29 AU

Year: 896 Days

Day: 12.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,633,760 km

• M1: 181,612 km (0.096 R)
• M2: 671,246 km (0.098 R)
• M3: 1,314,816 km (0.116 R)
• M4: 2,130,124 km (0.084 R)
• M5: 2,788,056 km (0.042 R)
• M6: 3,304,617 km (0.098 R)
• M7: 4,369,155 km (0.076 R)
• M8: 4,840,987 km (0.1 R)
• M9: 5,478,723 km (0.114 R)
• M10: 6,276,079 km (0.106 R)
• M11: 6,812,986 km (0.104 R)
• M12: 8,767,034 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.7

Radius: 13.7

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.91 AU - 2.05 AU

Year: 1923 Days

Day: 14.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,633,760 km

• M1: 170,542 km (0.073 R)
• M2: 644,019 km (0.097 R)
• M3: 1,150,108 km (0.102 R)
• M4: 1,628,822 km (0.093 R)
• M5: 2,172,311 km (0.048 R)
• M6: 3,372,983 km (0.097 R)
• M7: 3,941,904 km (0.067 R)
• M8: 5,515,374 km (0.109 R)
• M9: 6,284,457 km (0.111 R)
• M10: 6,836,174 km (0.074 R)
• M11: 7,474,807 km (0.052 R)
• M12: 8,299,391 km (0.071 R)
• M13: 10,855,121 km (0.069 R)
• M14: 11,577,678 km (0.12 R)
• M15: 12,409,293 km (0.096 R)
• M16: 13,199,469 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.1

Radius: 12.7

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.91 AU - 2.93 AU

Year: 2599 Days

Day: 6.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,633,760 km

• M1: 160,668 km (0.108 R)
• M2: 618,737 km (0.1 R)
• M3: 1,054,216 km (0.079 R)
• M4: 1,557,763 km (0.07 R)
• M5: 2,119,652 km (0.114 R)
• M6: 3,731,420 km (0.118 R)
• M7: 4,158,222 km (0.106 R)
• M8: 5,371,012 km (0.085 R)
• M9: 6,392,167 km (0.099 R)
• M10: 7,599,422 km (0.03 R)
• M11: 9,832,170 km (0.083 R)
• M12: 11,158,356 km (0.094 R)
• M13: 11,558,231 km (0.062 R)
• M14: 14,256,378 km (0.104 R)
• M15: 14,967,417 km (0.094 R)
• M16: 15,602,759 km (0.111 R)
• M17: 16,103,612 km (0.114 R)
• M18: 17,349,613 km (0.107 R)
• M19: 17,941,721 km (0.073 R)
• M20: 18,380,791 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.5

Radius: 13.3

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.58 AU - 4.14 AU

Year: 4251 Days

Day: 6.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,633,760 km

• M1: 165,455 km (0.095 R)
• M2: 724,652 km (0.096 R)
• M3: 1,330,224 km (0.115 R)
• M4: 1,822,551 km (0.037 R)
• M5: 2,885,294 km (0.09 R)
• M6: 3,354,882 km (0.09 R)
• M7: 4,596,843 km (0.051 R)
• M8: 5,429,954 km (0.047 R)
• M9: 6,099,704 km (0.07 R)
• M10: 7,396,867 km (0.045 R)
• M11: 8,672,189 km (0.035 R)
• M12: 12,267,175 km (0.101 R)
• M13: 14,509,049 km (0.089 R)
• M14: 15,948,779 km (0.089 R)
• M15: 18,067,832 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.9

Radius: 12.9

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 4.22 AU - 4.82 AU

Year: 6633 Days

Day: 14.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,633,760 km

• M1: 162,164 km (0.042 R)
• M2: 2,105,889 km (0.097 R)
• M3: 2,718,941 km (0.094 R)
• M4: 4,027,773 km (0.115 R)
• M5: 6,921,594 km (0.115 R)
• M6: 7,634,428 km (0.112 R)
• M7: 10,155,152 km (0.114 R)
• M8: 13,288,928 km (0.106 R)
• M9: 18,507,800 km (0.027 R)
• M10: 24,797,792 km (0.055 R)
• M11: 28,208,324 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 296.7

Radius: 3.2

Gravity: 28.97 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 6.18 AU - 8.12 AU

Year: 13197 Days

Day: 23 Hours

Environment

Temp: -234 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 43,633,760 km

• M1: 39,793 km (0.108 R)
• M2: 184,005 km (0.115 R)
• M3: 311,313 km (0.072 R)
• M4: 591,211 km (0.061 R)
• M5: 779,854 km (0.04 R)
• M6: 1,723,218 km (0.033 R)
• M7: 2,142,242 km (0.073 R)
• M8: 2,283,911 km (0.118 R)
• M9: 2,829,793 km (0.099 R)
• M10: 3,702,846 km (0.099 R)
• M11: 4,800,895 km (0.115 R)
• M12: 5,043,991 km (0.076 R)
• M13: 6,904,241 km (0.072 R)
• M14: 8,370,749 km (0.117 R)
• M15: 8,589,611 km (0.072 R)
• M16: 8,722,753 km (0.077 R)
• M17: 9,550,627 km (0.112 R)
• M18: 10,785,408 km (0.1 R)
• M19: 11,521,280 km (0.097 R)
• M20: 12,859,882 km (0.115 R)
• M21: 15,250,306 km (0.118 R)
• M22: 15,380,307 km (0.117 R)
• M23: 16,515,455 km (0.057 R)
• M24: 17,776,865 km (0.099 R)
• M25: 17,993,183 km (0.098 R)
• M26: 19,941,845 km (0.081 R)
• M27: 22,951,006 km (0.068 R)
• M28: 25,694,033 km (0.117 R)
• M29: 39,826,843 km (0.113 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 510 - 13,630 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit