🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.1

Radius: 8.9

Gravity: 9.34 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.74 AU - 0.8 AU

Year: 475 Days

Day: 7.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,169,037 km

• M1: 110,702 km (0.063 R)
• M2: 389,553 km (0.104 R)
• M3: 704,008 km (0.095 R)
• M4: 1,038,658 km (0.107 R)
• M5: 2,193,404 km (0.055 R)
• M6: 2,496,788 km (0.093 R)
• M7: 3,881,766 km (0.056 R)
• M8: 4,747,937 km (0.116 R)
• M9: 5,719,725 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.3

Radius: 12.3

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.98 AU - 1.08 AU

Year: 735 Days

Day: 8.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,169,037 km

• M1: 153,338 km (0.086 R)
• M2: 569,369 km (0.119 R)
• M3: 1,052,271 km (0.109 R)
• M4: 1,710,053 km (0.071 R)
• M5: 2,367,536 km (0.04 R)
• M6: 3,586,759 km (0.112 R)
• M7: 4,577,246 km (0.102 R)
• M8: 6,413,710 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.3

Radius: 12.3

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.34 AU - 1.52 AU

Year: 1202 Days

Day: 13.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,169,037 km

• M1: 153,039 km (0.075 R)
• M2: 603,478 km (0.114 R)
• M3: 1,010,384 km (0.119 R)
• M4: 1,904,979 km (0.1 R)
• M5: 2,587,744 km (0.06 R)
• M6: 3,000,335 km (0.072 R)
• M7: 4,272,066 km (0.117 R)
• M8: 5,506,249 km (0.031 R)
• M9: 6,504,964 km (0.092 R)
• M10: 7,179,202 km (0.081 R)
• M11: 8,423,856 km (0.11 R)
• M12: 10,475,890 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.8

Radius: 8.2

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.45 AU - 1.57 AU

Year: 1304 Days

Day: 6.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,169,037 km

• M1: 102,026 km (0.077 R)
• M2: 399,277 km (0.077 R)
• M3: 734,526 km (0.105 R)
• M4: 1,138,589 km (0.096 R)
• M5: 1,408,763 km (0.037 R)
• M6: 1,796,072 km (0.091 R)
• M7: 2,599,413 km (0.065 R)
• M8: 2,914,915 km (0.08 R)
• M9: 3,327,356 km (0.1 R)
• M10: 3,593,191 km (0.081 R)
• M11: 4,303,332 km (0.062 R)
• M12: 5,725,260 km (0.083 R)
• M13: 6,808,797 km (0.03 R)
• M14: 7,386,694 km (0.063 R)
• M15: 9,202,663 km (0.088 R)
• M16: 10,000,019 km (0.028 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.1

Radius: 11.4

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.89 AU - 2.03 AU

Year: 1929 Days

Day: 9.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,169,037 km

• M1: 144,512 km (0.028 R)
• M2: 586,723 km (0.092 R)
• M3: 2,945,133 km (0.076 R)
• M4: 4,049,465 km (0.093 R)
• M5: 4,510,077 km (0.111 R)
• M6: 6,312,282 km (0.094 R)
• M7: 6,762,422 km (0.083 R)
• M8: 7,700,850 km (0.103 R)
• M9: 8,298,792 km (0.052 R)
• M10: 8,666,504 km (0.104 R)
• M11: 10,215,739 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.9

Radius: 8.5

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.72 AU - 2.76 AU

Year: 3188 Days

Day: 5.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,169,037 km

• M1: 105,915 km (0.088 R)
• M2: 489,484 km (0.087 R)
• M3: 1,059,452 km (0.108 R)
• M4: 1,440,179 km (0.099 R)
• M5: 1,713,195 km (0.095 R)
• M6: 2,071,931 km (0.109 R)
• M7: 2,781,922 km (0.086 R)
• M8: 3,570,004 km (0.092 R)
• M9: 4,036,599 km (0.111 R)
• M10: 5,708,954 km (0.097 R)
• M11: 7,003,724 km (0.092 R)
• M12: 8,023,083 km (0.106 R)
• M13: 8,450,634 km (0.063 R)
• M14: 9,351,363 km (0.119 R)
• M15: 10,314,773 km (0.093 R)
• M16: 11,099,713 km (0.093 R)
• M17: 11,881,811 km (0.077 R)
• M18: 12,744,243 km (0.091 R)
• M19: 14,067,885 km (0.066 R)
• M20: 14,496,782 km (0.064 R)
• M21: 15,531,401 km (0.099 R)
• M22: 16,986,389 km (0.063 R)
• M23: 18,024,000 km (0.096 R)
• M24: 19,925,838 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.4

Radius: 14.3

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.31 AU - 5.45 AU

Year: 7578 Days

Day: 13.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 44,169,037 km

• M1: 177,872 km (0.075 R)
• M2: 692,339 km (0.063 R)
• M3: 1,463,217 km (0.106 R)
• M4: 2,196,246 km (0.11 R)
• M5: 2,688,274 km (0.043 R)
• M6: 3,899,717 km (0.103 R)
• M7: 4,404,161 km (0.053 R)
• M8: 5,012,576 km (0.056 R)
• M9: 5,709,852 km (0.074 R)
• M10: 6,727,117 km (0.081 R)
• M11: 7,220,940 km (0.052 R)
• M12: 7,862,116 km (0.072 R)
• M13: 8,584,674 km (0.086 R)
• M14: 9,397,738 km (0.067 R)
• M15: 10,065,094 km (0.104 R)
• M16: 12,258,947 km (0.109 R)
• M17: 13,767,342 km (0.079 R)
• M18: 18,294,772 km (0.099 R)
• M19: 20,027,415 km (0.048 R)
• M20: 21,621,081 km (0.059 R)
• M21: 22,616,954 km (0.109 R)
• M22: 24,611,094 km (0.052 R)
• M23: 25,788,728 km (0.086 R)
• M24: 30,773,928 km (0.1 R)
• M25: 37,657,075 km (0.085 R)
• M26: 38,493,477 km (0.117 R)
• M27: 42,475,623 km (0.094 R)
• M28: 43,905,629 km (0.117 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: 490 - 18,801 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit