🌌 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: 982.5

Radius: 14.1

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.44 AU - 0.62 AU

Year: 266 Days

Day: 14.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,145,793 km

• M1: 175,628 km (0.041 R)
• M2: 648,507 km (0.09 R)
• M3: 1,110,166 km (0.091 R)
• M4: 1,553,873 km (0.12 R)
• M5: 2,065,498 km (0.118 R)
• M6: 2,690,219 km (0.092 R)
• M7: 3,130,186 km (0.086 R)
• M8: 3,960,454 km (0.073 R)
• M9: 4,481,204 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.5

Radius: 14.9

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.58 AU - 0.68 AU

Year: 345 Days

Day: 11.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,145,793 km

• M1: 185,501 km (0.107 R)
• M2: 684,410 km (0.108 R)
• M3: 1,247,646 km (0.074 R)
• M4: 1,883,886 km (0.065 R)
• M5: 2,442,036 km (0.119 R)
• M6: 3,070,197 km (0.039 R)
• M7: 3,759,095 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.4

Radius: 11.2

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.05 AU - 1.07 AU

Year: 753 Days

Day: 5.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,145,793 km

• M1: 139,276 km (0.119 R)
• M2: 553,363 km (0.064 R)
• M3: 1,160,730 km (0.094 R)
• M4: 2,038,271 km (0.066 R)
• M5: 2,910,576 km (0.118 R)
• M6: 5,862,441 km (0.115 R)
• M7: 6,372,271 km (0.08 R)
• M8: 6,748,510 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.7

Radius: 13.5

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.07 AU - 1.57 AU

Year: 1047 Days

Day: 5.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 75.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,145,793 km

• M1: 167,849 km (0.025 R)
• M2: 704,008 km (0.038 R)
• M3: 1,175,091 km (0.111 R)
• M4: 1,686,716 km (0.03 R)
• M5: 2,279,872 km (0.06 R)
• M6: 2,849,690 km (0.036 R)
• M7: 3,544,422 km (0.078 R)
• M8: 4,619,732 km (0.112 R)
• M9: 5,173,992 km (0.116 R)
• M10: 6,937,302 km (0.081 R)
• M11: 7,692,622 km (0.092 R)
• M12: 8,117,330 km (0.096 R)
• M13: 8,812,661 km (0.103 R)
• M14: 9,791,031 km (0.099 R)
• M15: 10,774,787 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.4

Radius: 14.3

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.02 AU - 3.3 AU

Year: 2995 Days

Day: 14.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,145,793 km

• M1: 177,872 km (0.062 R)
• M2: 651,349 km (0.078 R)
• M3: 1,218,175 km (0.116 R)
• M4: 2,130,872 km (0.096 R)
• M5: 2,905,490 km (0.064 R)
• M6: 4,380,226 km (0.049 R)
• M7: 4,969,641 km (0.111 R)
• M8: 5,828,632 km (0.083 R)
• M9: 8,500,600 km (0.087 R)
• M10: 9,345,828 km (0.096 R)
• M11: 10,990,806 km (0.051 R)
• M12: 11,506,919 km (0.118 R)
• M13: 12,311,606 km (0.067 R)
• M14: 12,774,761 km (0.082 R)
• M15: 13,491,185 km (0.038 R)
• M16: 13,983,661 km (0.058 R)
• M17: 15,267,510 km (0.12 R)
• M18: 17,023,789 km (0.117 R)
• M19: 20,223,837 km (0.106 R)
• M20: 23,380,053 km (0.042 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.3

Radius: 10.2

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 5.08 AU - 5.64 AU

Year: 8566 Days

Day: 8.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 48,145,793 km

• M1: 130,001 km (0.106 R)
• M2: 466,895 km (0.051 R)
• M3: 874,100 km (0.111 R)
• M4: 1,661,284 km (0.056 R)
• M5: 2,048,144 km (0.101 R)
• M6: 3,234,007 km (0.118 R)
• M7: 3,843,319 km (0.111 R)
• M8: 4,342,677 km (0.099 R)
• M9: 4,662,666 km (0.045 R)
• M10: 6,137,701 km (0.07 R)
• M11: 6,576,472 km (0.108 R)
• M12: 7,366,798 km (0.061 R)
• M13: 7,941,253 km (0.085 R)
• M14: 9,664,322 km (0.078 R)
• M15: 10,119,847 km (0.052 R)
• M16: 10,494,440 km (0.108 R)
• M17: 11,623,755 km (0.107 R)
• M18: 13,949,104 km (0.114 R)
• M19: 16,058,284 km (0.079 R)
• M20: 17,090,061 km (0.086 R)
• M21: 20,081,270 km (0.101 R)
• M22: 22,442,972 km (0.094 R)
• M23: 22,920,638 km (0.078 R)
• M24: 25,843,182 km (0.061 R)
• M25: 26,280,008 km (0.05 R)
• M26: 28,076,828 km (0.113 R)
• M27: 28,724,586 km (0.091 R)
• M28: 33,749,130 km (0.059 R)
• M29: 34,692,644 km (0.068 R)
• M30: 35,546,100 km (0.074 R)
• M31: 35,869,829 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 149.7

Radius: 3.3

Gravity: 13.75 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 7.86 AU - 11.96 AU

Year: 21534 Days

Day: 23.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,145,793 km

• M1: 41,139 km (0.093 R)
• M2: 154,235 km (0.055 R)
• M3: 567,425 km (0.072 R)
• M4: 706,102 km (0.107 R)
• M5: 3,786,173 km (0.045 R)
• M6: 8,856,194 km (0.083 R)
• M7: 14,060,405 km (0.071 R)
• M8: 17,698,475 km (0.111 R)
• M9: 20,092,640 km (0.114 R)
• M10: 22,869,176 km (0.107 R)
• M11: 24,120,712 km (0.069 R)
• M12: 35,461,278 km (0.091 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 310 - 13,941 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit