🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.8

Radius: 12.9

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.5 AU - 0.56 AU

Year: 262 Days

Day: 5 Hours

Environment

Temp: -151 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,766,657 km

• M1: 160,369 km (0.083 R)
• M2: 598,840 km (0.109 R)
• M3: 1,038,209 km (0.115 R)
• M4: 1,523,505 km (0.115 R)
• M5: 2,044,554 km (0.082 R)
• M6: 2,512,347 km (0.099 R)
• M7: 3,001,382 km (0.107 R)
• M8: 3,644,952 km (0.12 R)
• M9: 4,537,004 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.3

Radius: 13.6

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.66 AU - 0.86 AU

Year: 449 Days

Day: 9.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,766,657 km

• M1: 170,542 km (0.05 R)
• M2: 684,859 km (0.085 R)
• M3: 1,153,100 km (0.066 R)
• M4: 1,670,709 km (0.099 R)
• M5: 2,765,915 km (0.102 R)
• M6: 3,392,880 km (0.075 R)
• M7: 3,818,934 km (0.028 R)
• M8: 4,366,163 km (0.081 R)
• M9: 4,826,177 km (0.036 R)
• M10: 5,896,998 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.7

Radius: 10

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.97 AU - 1.37 AU

Year: 858 Days

Day: 7.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,766,657 km

• M1: 124,465 km (0.107 R)
• M2: 789,578 km (0.102 R)
• M3: 1,353,562 km (0.078 R)
• M4: 2,186,971 km (0.086 R)
• M5: 3,263,627 km (0.112 R)
• M6: 3,647,346 km (0.105 R)
• M7: 4,219,408 km (0.077 R)
• M8: 4,534,311 km (0.083 R)
• M9: 4,879,583 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.9

Radius: 11.3

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.88 AU - 2.58 AU

Year: 2259 Days

Day: 8.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,766,657 km

• M1: 143,464 km (0.073 R)
• M2: 541,395 km (0.091 R)
• M3: 1,064,688 km (0.083 R)
• M4: 1,568,234 km (0.111 R)
• M5: 1,970,503 km (0.081 R)
• M6: 2,507,859 km (0.031 R)
• M7: 2,928,827 km (0.071 R)
• M8: 3,496,551 km (0.111 R)
• M9: 6,204,123 km (0.087 R)
• M10: 7,143,598 km (0.12 R)
• M11: 8,789,922 km (0.069 R)
• M12: 9,601,191 km (0.077 R)
• M13: 10,250,745 km (0.029 R)
• M14: 10,711,806 km (0.088 R)
• M15: 12,736,763 km (0.094 R)
• M16: 14,959,937 km (0.04 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.8

Radius: 9.7

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.35 AU - 3.02 AU

Year: 2976 Days

Day: 7.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,766,657 km

• M1: 125,213 km (0.095 R)
• M2: 582,085 km (0.108 R)
• M3: 884,722 km (0.064 R)
• M4: 2,711,910 km (0.081 R)
• M5: 3,250,463 km (0.073 R)
• M6: 3,874,734 km (0.12 R)
• M7: 5,480,817 km (0.06 R)
• M8: 6,343,399 km (0.063 R)
• M9: 7,564,416 km (0.075 R)
• M10: 8,991,281 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.1

Radius: 14.6

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.35 AU - 3.05 AU

Year: 3009 Days

Day: 11.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,766,657 km

• M1: 216,169 km (0.065 R)
• M2: 817,852 km (0.094 R)
• M3: 1,670,709 km (0.101 R)
• M4: 2,950,070 km (0.108 R)
• M5: 4,450,836 km (0.119 R)
• M6: 5,835,813 km (0.095 R)
• M7: 7,354,531 km (0.083 R)
• M8: 8,384,661 km (0.119 R)
• M9: 9,738,672 km (0.098 R)
• M10: 11,161,348 km (0.064 R)
• M11: 12,679,168 km (0.06 R)
• M12: 14,031,682 km (0.075 R)
• M13: 14,677,346 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 362.1

Radius: 3.3

Gravity: 33.25 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 6.16 AU - 7.42 AU

Year: 12000 Days

Day: 20.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 43,766,657 km

• M1: 41,439 km (0.05 R)
• M2: 177,124 km (0.087 R)
• M3: 506,688 km (0.069 R)
• M4: 970,441 km (0.091 R)
• M5: 1,107,473 km (0.087 R)
• M6: 1,245,402 km (0.099 R)
• M7: 1,714,541 km (0.095 R)
• M8: 2,365,442 km (0.067 R)
• M9: 3,972,571 km (0.098 R)
• M10: 4,187,095 km (0.12 R)
• M11: 4,756,913 km (0.036 R)
• M12: 4,876,741 km (0.091 R)
• M13: 5,506,698 km (0.082 R)
• M14: 6,774,390 km (0.09 R)
• M15: 8,795,008 km (0.064 R)
• M16: 9,965,911 km (0.07 R)
• M17: 12,498,005 km (0.065 R)
• M18: 13,429,102 km (0.082 R)
• M19: 14,467,909 km (0.111 R)
• M20: 14,656,552 km (0.089 R)
• M21: 18,561,655 km (0.077 R)
• M22: 18,934,004 km (0.093 R)
• M23: 22,094,409 km (0.116 R)
• M24: 22,512,684 km (0.117 R)
• M25: 27,562,959 km (0.094 R)
• M26: 28,242,881 km (0.079 R)
• M27: 30,349,668 km (0.099 R)
• M28: 31,599,259 km (0.05 R)
• M29: 33,757,657 km (0.103 R)
• M30: 33,868,060 km (0.082 R)
• M31: 34,312,216 km (0.107 R)
• M32: 34,535,716 km (0.119 R)
• M33: 35,325,592 km (0.116 R)
• M34: 36,474,803 km (0.113 R)
• M35: 43,244,107 km (0.032 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 18,046 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit