🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.1

Radius: 8.1

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.45 AU - 0.69 AU

Year: 287 Days

Day: 9.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 56,829,485 km

• M1: 100,979 km (0.099 R)
• M2: 370,554 km (0.119 R)
• M3: 687,402 km (0.119 R)
• M4: 944,860 km (0.092 R)
• M5: 1,250,040 km (0.119 R)
• M6: 1,637,648 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.9

Radius: 11.9

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.66 AU - 0.66 AU

Year: 358 Days

Day: 12 Hours

Environment

Temp: -152 °C

Axial Tilt: 112.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,829,485 km

• M1: 148,401 km (0.037 R)
• M2: 686,056 km (0.099 R)
• M3: 1,220,868 km (0.085 R)
• M4: 1,611,917 km (0.101 R)
• M5: 2,245,464 km (0.055 R)
• M6: 2,853,579 km (0.038 R)
• M7: 3,275,894 km (0.11 R)
• M8: 4,197,417 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.1

Radius: 8.9

Gravity: 9.84 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.09 AU - 1.13 AU

Year: 780 Days

Day: 9.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,829,485 km

• M1: 110,702 km (0.059 R)
• M2: 400,773 km (0.088 R)
• M3: 911,051 km (0.086 R)
• M4: 1,300,454 km (0.032 R)
• M5: 2,897,860 km (0.078 R)
• M6: 3,450,176 km (0.088 R)
• M7: 3,766,725 km (0.12 R)
• M8: 4,071,306 km (0.072 R)
• M9: 4,959,020 km (0.062 R)
• M10: 5,671,106 km (0.095 R)
• M11: 6,385,735 km (0.106 R)
• M12: 7,344,358 km (0.081 R)
• M13: 8,785,584 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.1

Radius: 10.6

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.27 AU - 1.65 AU

Year: 1176 Days

Day: 14.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,829,485 km

• M1: 131,796 km (0.072 R)
• M2: 462,407 km (0.086 R)
• M3: 829,221 km (0.045 R)
• M4: 1,216,380 km (0.092 R)
• M5: 1,623,885 km (0.088 R)
• M6: 2,094,669 km (0.061 R)
• M7: 2,537,778 km (0.061 R)
• M8: 3,521,085 km (0.106 R)
• M9: 3,862,467 km (0.1 R)
• M10: 4,692,586 km (0.108 R)
• M11: 5,528,838 km (0.08 R)
• M12: 5,935,296 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.3

Radius: 9.6

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.14 AU - 1.84 AU

Year: 1213 Days

Day: 11.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,829,485 km

• M1: 119,529 km (0.087 R)
• M2: 451,935 km (0.115 R)
• M3: 761,752 km (0.059 R)
• M4: 1,146,069 km (0.107 R)
• M5: 2,116,660 km (0.114 R)
• M6: 2,525,362 km (0.078 R)
• M7: 2,999,437 km (0.119 R)
• M8: 3,487,874 km (0.072 R)
• M9: 4,553,161 km (0.072 R)
• M10: 5,027,835 km (0.053 R)
• M11: 6,449,164 km (0.038 R)
• M12: 6,883,746 km (0.099 R)
• M13: 7,216,302 km (0.07 R)
• M14: 7,760,689 km (0.114 R)
• M15: 8,710,486 km (0.113 R)
• M16: 9,015,665 km (0.098 R)
• M17: 9,765,450 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.3

Radius: 11.6

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 3.69 AU - 4.17 AU

Year: 5195 Days

Day: 13.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 106.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,829,485 km

• M1: 161,865 km (0.074 R)
• M2: 856,149 km (0.117 R)
• M3: 1,397,095 km (0.107 R)
• M4: 2,261,621 km (0.082 R)
• M5: 2,702,635 km (0.111 R)
• M6: 4,871,206 km (0.056 R)
• M7: 7,423,944 km (0.107 R)
• M8: 10,292,483 km (0.078 R)
• M9: 10,761,472 km (0.052 R)
• M10: 11,289,254 km (0.1 R)
• M11: 12,396,876 km (0.075 R)
• M12: 17,260,453 km (0.07 R)
• M13: 19,108,286 km (0.105 R)
• M14: 25,983,505 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 720.3

Radius: 5.1

Gravity: 27.69 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 5.52 AU - 8.66 AU

Year: 12589 Days

Day: 18.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,829,485 km

• M1: 147,504 km (0.105 R)
• M2: 318,494 km (0.066 R)
• M3: 727,494 km (0.106 R)
• M4: 1,363,734 km (0.118 R)
• M5: 1,770,940 km (0.073 R)
• M6: 2,274,935 km (0.075 R)
• M7: 2,603,003 km (0.078 R)
• M8: 4,329,512 km (0.075 R)
• M9: 5,734,236 km (0.066 R)
• M10: 9,202,214 km (0.083 R)
• M11: 10,576,121 km (0.047 R)
• M12: 15,724,831 km (0.103 R)
• M13: 16,088,503 km (0.081 R)
• M14: 18,070,376 km (0.113 R)
• M15: 21,163,012 km (0.11 R)
• M16: 22,146,319 km (0.089 R)
• M17: 27,209,609 km (0.09 R)
• M18: 31,362,446 km (0.087 R)
• M19: 32,638,964 km (0.049 R)
• M20: 35,793,235 km (0.103 R)
• M21: 38,222,854 km (0.039 R)
• M22: 43,835,467 km (0.103 R)
• M23: 49,661,257 km (0.052 R)
• M24: 54,148,146 km (0.064 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 386 - 13,371 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit