🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.8

Radius: 13.1

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.58 AU - 0.88 AU

Year: 403 Days

Day: 9.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 61,822,180 km

• M1: 162,912 km (0.093 R)
• M2: 612,454 km (0.119 R)
• M3: 1,071,570 km (0.045 R)
• M4: 1,526,048 km (0.055 R)
• M5: 1,956,441 km (0.089 R)
• M6: 2,454,303 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.8

Radius: 11.1

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.69 AU - 1.11 AU

Year: 551 Days

Day: 9.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 61,822,180 km

• M1: 138,079 km (0.106 R)
• M2: 613,650 km (0.096 R)
• M3: 964,906 km (0.038 R)
• M4: 2,671,668 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.8

Radius: 10.4

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.88 AU - 0.96 AU

Year: 570 Days

Day: 12.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,822,180 km

• M1: 129,402 km (0.048 R)
• M2: 711,039 km (0.09 R)
• M3: 1,050,476 km (0.116 R)
• M4: 1,661,434 km (0.12 R)
• M5: 2,587,894 km (0.069 R)
• M6: 3,563,272 km (0.096 R)
• M7: 3,938,014 km (0.089 R)
• M8: 4,751,677 km (0.096 R)
• M9: 5,207,203 km (0.103 R)
• M10: 5,585,237 km (0.078 R)
• M11: 6,416,253 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.1

Radius: 9.2

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.89 AU - 1.05 AU

Year: 617 Days

Day: 10.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,822,180 km

• M1: 114,742 km (0.047 R)
• M2: 479,611 km (0.061 R)
• M3: 809,624 km (0.032 R)
• M4: 1,137,243 km (0.094 R)
• M5: 1,561,652 km (0.038 R)
• M6: 1,983,817 km (0.079 R)
• M7: 2,657,457 km (0.08 R)
• M8: 3,374,778 km (0.091 R)
• M9: 3,671,880 km (0.114 R)
• M10: 4,157,624 km (0.115 R)
• M11: 5,139,734 km (0.084 R)
• M12: 5,447,008 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.9

Radius: 8.7

Gravity: 9.46 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.82 AU - 1.12 AU

Year: 617 Days

Day: 14 Hours

Environment

Temp: -166 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,822,180 km

• M1: 108,159 km (0.026 R)
• M2: 382,073 km (0.05 R)
• M3: 686,953 km (0.071 R)
• M4: 1,203,814 km (0.06 R)
• M5: 1,807,292 km (0.11 R)
• M6: 2,400,148 km (0.044 R)
• M7: 2,787,457 km (0.115 R)
• M8: 3,068,402 km (0.096 R)
• M9: 3,565,815 km (0.088 R)
• M10: 4,013,262 km (0.085 R)
• M11: 4,342,228 km (0.12 R)
• M12: 4,672,989 km (0.061 R)
• M13: 5,994,536 km (0.04 R)
• M14: 6,286,103 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.3

Radius: 10.2

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.85 AU - 5.47 AU

Year: 6495 Days

Day: 9.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,822,180 km

• M1: 128,953 km (0.101 R)
• M2: 495,169 km (0.084 R)
• M3: 837,449 km (0.119 R)
• M4: 1,509,443 km (0.079 R)
• M5: 1,844,093 km (0.083 R)
• M6: 2,388,629 km (0.036 R)
• M7: 3,108,494 km (0.117 R)
• M8: 4,271,019 km (0.117 R)
• M9: 5,435,190 km (0.115 R)
• M10: 5,839,254 km (0.12 R)
• M11: 6,557,323 km (0.086 R)
• M12: 8,065,420 km (0.098 R)
• M13: 10,149,617 km (0.064 R)
• M14: 12,477,510 km (0.03 R)
• M15: 13,039,399 km (0.1 R)
• M16: 14,063,546 km (0.116 R)
• M17: 16,437,365 km (0.082 R)
• M18: 16,942,408 km (0.099 R)
• M19: 17,748,591 km (0.102 R)
• M20: 20,642,412 km (0.076 R)
• M21: 21,561,840 km (0.118 R)
• M22: 22,099,345 km (0.096 R)
• M23: 23,201,283 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 906.2

Radius: 3.2

Gravity: 88.5 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 6.18 AU - 8.42 AU

Year: 12735 Days

Day: 15.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 61,822,180 km

• M1: 48,470 km (0.111 R)
• M2: 213,027 km (0.047 R)
• M3: 541,544 km (0.1 R)
• M4: 1,809,985 km (0.082 R)
• M5: 2,141,194 km (0.1 R)
• M6: 2,341,805 km (0.1 R)
• M7: 2,621,254 km (0.106 R)
• M8: 2,734,350 km (0.098 R)
• M9: 5,160,379 km (0.027 R)
• M10: 5,669,759 km (0.048 R)
• M11: 6,332,179 km (0.098 R)
• M12: 7,624,405 km (0.079 R)
• M13: 8,091,450 km (0.047 R)
• M14: 8,283,533 km (0.062 R)
• M15: 8,827,471 km (0.109 R)
• M16: 9,500,512 km (0.115 R)
• M17: 12,472,274 km (0.106 R)
• M18: 18,373,162 km (0.096 R)
• M19: 20,869,950 km (0.059 R)
• M20: 21,231,079 km (0.071 R)
• M21: 24,571,450 km (0.119 R)
• M22: 26,313,368 km (0.073 R)
• M23: 29,246,085 km (0.11 R)
• M24: 31,317,865 km (0.06 R)
• M25: 33,855,943 km (0.05 R)
• M26: 35,111,368 km (0.044 R)
• M27: 37,184,047 km (0.115 R)
• M28: 37,581,528 km (0.081 R)
• M29: 42,864,577 km (0.104 R)
• M30: 47,992,343 km (0.074 R)
• M31: 49,734,859 km (0.059 R)
• M32: 50,865,520 km (0.086 R)
• M33: 59,443,911 km (0.096 R)
• M34: 60,169,012 km (0.093 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 14,380 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit