🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.1

Radius: 13.4

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.5 AU - 0.78 AU

Year: 360 Days

Day: 12.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,243,950 km

• M1: 166,652 km (0.12 R)
• M2: 612,603 km (0.034 R)
• M3: 1,288,187 km (0.065 R)
• M4: 1,773,333 km (0.068 R)
• M5: 2,328,640 km (0.06 R)
• M6: 2,835,179 km (0.11 R)
• M7: 3,313,144 km (0.101 R)
• M8: 4,392,792 km (0.086 R)
• M9: 5,234,729 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.7

Radius: 10.2

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.86 AU - 1.14 AU

Year: 703 Days

Day: 12.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 26,243,950 km

• M1: 126,859 km (0.066 R)
• M2: 543,339 km (0.118 R)
• M3: 866,022 km (0.106 R)
• M4: 1,224,758 km (0.046 R)
• M5: 1,620,594 km (0.09 R)
• M6: 2,130,274 km (0.094 R)
• M7: 2,502,473 km (0.082 R)
• M8: 3,050,450 km (0.055 R)
• M9: 4,355,692 km (0.074 R)
• M10: 4,892,449 km (0.109 R)
• M11: 5,904,179 km (0.081 R)
• M12: 6,480,131 km (0.104 R)
• M13: 6,813,734 km (0.11 R)
• M14: 7,402,851 km (0.09 R)
• M15: 7,907,594 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.8

Radius: 14.6

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.93 AU - 1.19 AU

Year: 767 Days

Day: 12.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 26,243,950 km

• M1: 181,911 km (0.037 R)
• M2: 636,838 km (0.099 R)
• M3: 1,250,040 km (0.119 R)
• M4: 1,788,443 km (0.091 R)
• M5: 2,255,936 km (0.103 R)
• M6: 2,853,131 km (0.115 R)
• M7: 4,613,898 km (0.115 R)
• M8: 5,092,760 km (0.063 R)
• M9: 5,680,680 km (0.101 R)
• M10: 7,171,423 km (0.047 R)
• M11: 7,960,252 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.8

Radius: 12.6

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.13 AU - 1.37 AU

Year: 982 Days

Day: 8.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 26,243,950 km

• M1: 156,779 km (0.095 R)
• M2: 806,632 km (0.083 R)
• M3: 1,564,794 km (0.112 R)
• M4: 2,295,579 km (0.077 R)
• M5: 2,759,034 km (0.059 R)
• M6: 3,188,379 km (0.106 R)
• M7: 3,768,969 km (0.06 R)
• M8: 4,593,253 km (0.104 R)
• M9: 5,086,477 km (0.093 R)
• M10: 6,179,888 km (0.079 R)
• M11: 6,898,407 km (0.106 R)
• M12: 9,334,458 km (0.095 R)
• M13: 9,740,916 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.7

Radius: 11.8

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.16 AU - 1.76 AU

Year: 1240 Days

Day: 13.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 26,243,950 km

• M1: 146,756 km (0.093 R)
• M2: 520,601 km (0.115 R)
• M3: 971,788 km (0.113 R)
• M4: 1,392,158 km (0.107 R)
• M5: 2,030,043 km (0.095 R)
• M6: 2,429,918 km (0.103 R)
• M7: 3,376,574 km (0.114 R)
• M8: 4,012,065 km (0.115 R)
• M9: 5,002,403 km (0.057 R)
• M10: 5,479,920 km (0.08 R)
• M11: 6,102,396 km (0.091 R)
• M12: 7,676,166 km (0.09 R)
• M13: 9,258,014 km (0.098 R)
• M14: 9,756,624 km (0.117 R)
• M15: 11,680,153 km (0.105 R)
• M16: 12,262,837 km (0.048 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.4

Radius: 14.3

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.12 AU - 4.02 AU

Year: 4741 Days

Day: 7.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,243,950 km

• M1: 185,202 km (0.073 R)
• M2: 774,169 km (0.063 R)
• M3: 1,302,549 km (0.094 R)
• M4: 1,834,668 km (0.118 R)
• M5: 4,052,307 km (0.112 R)
• M6: 5,348,423 km (0.062 R)
• M7: 7,338,224 km (0.08 R)
• M8: 8,076,041 km (0.062 R)
• M9: 8,632,994 km (0.092 R)
• M10: 9,741,365 km (0.078 R)
• M11: 14,592,225 km (0.059 R)
• M12: 17,353,054 km (0.101 R)
• M13: 17,907,015 km (0.099 R)
• M14: 18,472,794 km (0.12 R)
• M15: 19,376,664 km (0.09 R)
• M16: 21,202,805 km (0.116 R)
• M17: 26,387,868 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.8

Radius: 10.2

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.93 AU - 4.41 AU

Year: 5986 Days

Day: 10.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 26,243,950 km

• M1: 126,859 km (0.113 R)
• M2: 444,605 km (0.093 R)
• M3: 927,656 km (0.103 R)
• M4: 1,439,132 km (0.081 R)
• M5: 1,887,626 km (0.111 R)
• M6: 2,769,805 km (0.088 R)
• M7: 4,171,237 km (0.119 R)
• M8: 4,887,512 km (0.118 R)
• M9: 6,814,033 km (0.03 R)
• M10: 7,167,683 km (0.102 R)
• M11: 8,932,339 km (0.102 R)
• M12: 9,753,632 km (0.102 R)
• M13: 11,057,078 km (0.082 R)
• M14: 12,760,698 km (0.067 R)
• M15: 16,971,729 km (0.09 R)
• M16: 17,743,504 km (0.114 R)
• M17: 18,414,750 km (0.112 R)
• M18: 20,003,180 km (0.078 R)
• M19: 20,730,375 km (0.108 R)
• M20: 22,660,786 km (0.12 R)
• M21: 23,523,667 km (0.089 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: 524 - 16,774 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit