🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.6

Radius: 11.1

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.62 AU - 0.74 AU

Year: 357 Days

Day: 11.9 Hours

Environment

Temp: -137 °C

Axial Tilt: 51.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 44,516,992 km

• M1: 144,063 km (0.104 R)
• M2: 619,036 km (0.054 R)
• M3: 1,029,832 km (0.094 R)
• M4: 1,408,913 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.7

Radius: 13.7

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.39 AU - 1.39 AU

Year: 1042 Days

Day: 9.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,516,992 km

• M1: 170,542 km (0.056 R)
• M2: 631,303 km (0.105 R)
• M3: 1,104,182 km (0.119 R)
• M4: 1,715,738 km (0.071 R)
• M5: 2,252,794 km (0.086 R)
• M6: 3,123,155 km (0.113 R)
• M7: 4,480,007 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.6

Radius: 9.7

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.62 AU - 2.22 AU

Year: 1692 Days

Day: 11.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,516,992 km

• M1: 149,299 km (0.069 R)
• M2: 454,778 km (0.066 R)
• M3: 871,557 km (0.112 R)
• M4: 1,679,236 km (0.103 R)
• M5: 2,679,747 km (0.115 R)
• M6: 3,622,662 km (0.108 R)
• M7: 4,036,749 km (0.098 R)
• M8: 4,446,797 km (0.117 R)
• M9: 5,451,795 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.7

Radius: 9.9

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.66 AU - 2.2 AU

Year: 1705 Days

Day: 5.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,516,992 km

• M1: 123,119 km (0.041 R)
• M2: 536,608 km (0.098 R)
• M3: 863,928 km (0.107 R)
• M4: 1,626,877 km (0.095 R)
• M5: 2,051,436 km (0.111 R)
• M6: 3,371,637 km (0.105 R)
• M7: 3,788,117 km (0.115 R)
• M8: 4,343,873 km (0.079 R)
• M9: 4,933,738 km (0.065 R)
• M10: 6,433,307 km (0.112 R)
• M11: 6,929,972 km (0.113 R)
• M12: 7,554,543 km (0.118 R)
• M13: 8,270,668 km (0.089 R)
• M14: 9,563,941 km (0.09 R)
• M15: 9,992,539 km (0.061 R)
• M16: 10,757,134 km (0.084 R)
• M17: 11,220,738 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.8

Radius: 8.3

Gravity: 11.48 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.62 AU - 4.82 AU

Year: 5512 Days

Day: 10.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 143.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 44,516,992 km

• M1: 103,372 km (0.103 R)
• M2: 574,905 km (0.072 R)
• M3: 1,598,154 km (0.069 R)
• M4: 2,041,413 km (0.108 R)
• M5: 2,582,209 km (0.056 R)
• M6: 3,153,673 km (0.077 R)
• M7: 3,426,390 km (0.117 R)
• M8: 3,714,964 km (0.11 R)
• M9: 4,019,695 km (0.082 R)
• M10: 4,290,467 km (0.111 R)
• M11: 4,979,664 km (0.097 R)
• M12: 6,311,534 km (0.037 R)
• M13: 6,577,070 km (0.109 R)
• M14: 7,024,518 km (0.108 R)
• M15: 7,752,461 km (0.105 R)
• M16: 9,747,947 km (0.102 R)
• M17: 10,148,420 km (0.077 R)
• M18: 11,761,684 km (0.105 R)
• M19: 13,052,115 km (0.11 R)
• M20: 14,664,481 km (0.091 R)
• M21: 15,249,857 km (0.095 R)
• M22: 15,669,031 km (0.116 R)
• M23: 17,946,658 km (0.106 R)
• M24: 19,372,475 km (0.074 R)
• M25: 21,092,851 km (0.093 R)
• M26: 21,613,302 km (0.113 R)
• M27: 26,259,662 km (0.116 R)
• M28: 29,179,813 km (0.084 R)
• M29: 31,434,701 km (0.027 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.4

Radius: 8.9

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 4.03 AU - 6.71 AU

Year: 7912 Days

Day: 12.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,516,992 km

• M1: 110,852 km (0.063 R)
• M2: 604,824 km (0.096 R)
• M3: 910,901 km (0.057 R)
• M4: 1,256,772 km (0.109 R)
• M5: 1,676,992 km (0.103 R)
• M6: 5,396,743 km (0.118 R)
• M7: 6,649,177 km (0.101 R)
• M8: 8,938,922 km (0.05 R)
• M9: 10,920,794 km (0.036 R)
• M10: 12,800,641 km (0.095 R)
• M11: 18,528,594 km (0.094 R)
• M12: 19,364,547 km (0.055 R)
• M13: 31,838,017 km (0.105 R)
• M14: 33,544,480 km (0.067 R)
• M15: 34,680,676 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.6

Radius: 14.1

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 5.34 AU - 6.2 AU

Year: 8812 Days

Day: 11.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 44,516,992 km

• M1: 225,294 km (0.116 R)
• M2: 728,990 km (0.102 R)
• M3: 1,290,730 km (0.111 R)
• M4: 1,783,356 km (0.085 R)
• M5: 2,226,914 km (0.064 R)
• M6: 2,725,524 km (0.102 R)
• M7: 3,825,218 km (0.095 R)
• M8: 4,633,644 km (0.07 R)
• M9: 5,079,147 km (0.084 R)
• M10: 5,520,909 km (0.119 R)
• M11: 6,555,079 km (0.069 R)
• M12: 7,157,510 km (0.057 R)
• M13: 8,871,752 km (0.113 R)
• M14: 9,705,311 km (0.099 R)
• M15: 10,389,273 km (0.051 R)
• M16: 11,315,733 km (0.096 R)
• M17: 13,098,042 km (0.119 R)
• M18: 15,319,420 km (0.095 R)
• M19: 16,383,360 km (0.087 R)
• M20: 16,864,018 km (0.102 R)
• M21: 19,031,991 km (0.041 R)
• M22: 23,048,993 km (0.097 R)
• M23: 27,214,845 km (0.085 R)
• M24: 31,224,516 km (0.04 R)
• M25: 36,536,587 km (0.097 R)
• M26: 38,674,939 km (0.088 R)
• M27: 43,069,825 km (0.083 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 376 - 10,549 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit