🌌 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: 938.7

Radius: 14

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.45 AU - 0.61 AU

Year: 257 Days

Day: 12.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,610,160 km

• M1: 174,132 km (0.11 R)
• M2: 693,087 km (0.085 R)
• M3: 1,153,400 km (0.119 R)
• M4: 1,622,239 km (0.055 R)
• M5: 2,103,795 km (0.099 R)
• M6: 2,609,735 km (0.048 R)
• M7: 3,094,881 km (0.066 R)
• M8: 3,871,742 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.6

Radius: 10.4

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.61 AU - 0.87 AU

Year: 424 Days

Day: 9.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 112.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,610,160 km

• M1: 129,402 km (0.113 R)
• M2: 599,439 km (0.11 R)
• M3: 989,141 km (0.12 R)
• M4: 1,390,662 km (0.098 R)
• M5: 1,874,910 km (0.098 R)
• M6: 2,390,574 km (0.059 R)
• M7: 3,175,813 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.1

Radius: 8.9

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.75 AU - 0.93 AU

Year: 513 Days

Day: 9.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 44,610,160 km

• M1: 111,151 km (0.054 R)
• M2: 398,529 km (0.111 R)
• M3: 684,410 km (0.087 R)
• M4: 1,063,940 km (0.094 R)
• M5: 2,061,758 km (0.072 R)
• M6: 3,140,508 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.6

Radius: 13.3

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.01 AU - 1.31 AU

Year: 833 Days

Day: 5.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,610,160 km

• M1: 165,455 km (0.088 R)
• M2: 656,735 km (0.087 R)
• M3: 1,180,776 km (0.104 R)
• M4: 1,846,487 km (0.098 R)
• M5: 2,507,560 km (0.104 R)
• M6: 3,281,579 km (0.117 R)
• M7: 3,770,465 km (0.064 R)
• M8: 4,475,669 km (0.106 R)
• M9: 5,042,645 km (0.042 R)
• M10: 6,171,810 km (0.111 R)
• M11: 7,200,594 km (0.073 R)
• M12: 8,314,799 km (0.089 R)
• M13: 8,845,572 km (0.077 R)
• M14: 9,398,785 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.4

Radius: 9.1

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.71 AU - 1.89 AU

Year: 1610 Days

Day: 12.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,610,160 km

• M1: 119,230 km (0.117 R)
• M2: 841,638 km (0.117 R)
• M3: 1,381,836 km (0.115 R)
• M4: 2,864,500 km (0.107 R)
• M5: 3,179,553 km (0.081 R)
• M6: 3,745,332 km (0.096 R)
• M7: 4,105,414 km (0.072 R)
• M8: 4,895,441 km (0.092 R)
• M9: 5,347,974 km (0.042 R)
• M10: 6,265,907 km (0.101 R)
• M11: 6,799,971 km (0.079 R)
• M12: 7,903,555 km (0.119 R)
• M13: 9,649,811 km (0.113 R)
• M14: 9,969,352 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.2

Radius: 14.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.06 AU - 2.72 AU

Year: 2464 Days

Day: 5.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,610,160 km

• M1: 188,493 km (0.11 R)
• M2: 822,639 km (0.116 R)
• M3: 1,400,535 km (0.085 R)
• M4: 2,660,449 km (0.078 R)
• M5: 5,788,989 km (0.055 R)
• M6: 6,296,425 km (0.097 R)
• M7: 7,225,278 km (0.028 R)
• M8: 7,973,866 km (0.111 R)
• M9: 10,826,697 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 297.9

Radius: 3.1

Gravity: 31 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 6.86 AU - 8.08 AU

Year: 13615 Days

Day: 17.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 44,610,160 km

• M1: 39,344 km (0.098 R)
• M2: 359,035 km (0.118 R)
• M3: 506,688 km (0.053 R)
• M4: 906,114 km (0.04 R)
• M5: 1,048,831 km (0.096 R)
• M6: 2,259,825 km (0.073 R)
• M7: 2,764,718 km (0.056 R)
• M8: 2,977,596 km (0.114 R)
• M9: 3,835,390 km (0.102 R)
• M10: 4,725,498 km (0.077 R)
• M11: 5,218,423 km (0.026 R)
• M12: 5,881,739 km (0.09 R)
• M13: 7,494,704 km (0.075 R)
• M14: 7,782,530 km (0.112 R)
• M15: 8,077,537 km (0.062 R)
• M16: 8,249,575 km (0.025 R)
• M17: 8,556,250 km (0.094 R)
• M18: 9,811,227 km (0.07 R)
• M19: 10,255,233 km (0.11 R)
• M20: 11,130,530 km (0.108 R)
• M21: 13,028,179 km (0.071 R)
• M22: 13,624,925 km (0.039 R)
• M23: 15,066,002 km (0.07 R)
• M24: 15,991,264 km (0.103 R)
• M25: 16,605,663 km (0.109 R)
• M26: 18,468,605 km (0.051 R)
• M27: 19,836,977 km (0.064 R)
• M28: 20,071,546 km (0.113 R)
• M29: 20,386,899 km (0.075 R)
• M30: 20,866,360 km (0.114 R)
• M31: 22,433,996 km (0.045 R)
• M32: 22,603,490 km (0.098 R)
• M33: 24,434,568 km (0.088 R)
• M34: 24,613,936 km (0.089 R)
• M35: 31,354,367 km (0.103 R)
• M36: 31,992,701 km (0.093 R)
• M37: 36,471,362 km (0.102 R)
• M38: 37,652,886 km (0.063 R)
• M39: 42,117,485 km (0.1 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 12,644 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit