🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.7

Radius: 8.2

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.53 AU - 0.73 AU

Year: 333 Days

Day: 13.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 46,228,719 km

• M1: 105,466 km (0.052 R)
• M2: 477,068 km (0.074 R)
• M3: 841,787 km (0.044 R)
• M4: 1,278,912 km (0.084 R)
• M5: 2,047,546 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.1

Radius: 12.6

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.78 AU - 1.06 AU

Year: 588 Days

Day: 5.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 46,228,719 km

• M1: 156,779 km (0.12 R)
• M2: 593,754 km (0.092 R)
• M3: 1,006,345 km (0.112 R)
• M4: 2,091,378 km (0.058 R)
• M5: 2,696,801 km (0.09 R)
• M6: 4,042,134 km (0.104 R)
• M7: 5,105,177 km (0.115 R)
• M8: 5,905,675 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.5

Radius: 11.9

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.41 AU - 1.49 AU

Year: 1164 Days

Day: 14.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,228,719 km

• M1: 149,149 km (0.059 R)
• M2: 540,348 km (0.104 R)
• M3: 1,227,750 km (0.108 R)
• M4: 1,799,962 km (0.106 R)
• M5: 2,188,617 km (0.119 R)
• M6: 2,817,975 km (0.073 R)
• M7: 3,347,701 km (0.117 R)
• M8: 3,977,359 km (0.085 R)
• M9: 4,918,628 km (0.1 R)
• M10: 5,410,357 km (0.028 R)
• M11: 5,845,088 km (0.05 R)
• M12: 6,662,192 km (0.1 R)
• M13: 8,182,256 km (0.11 R)
• M14: 9,637,095 km (0.114 R)
• M15: 10,777,180 km (0.084 R)
• M16: 12,078,083 km (0.101 R)
• M17: 12,634,288 km (0.111 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 756.5

Radius: 5.8

Gravity: 22.49 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 7.61 AU - 11.9 AU

Year: 20302 Days

Day: 16.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 46,228,719 km

• M1: 105,616 km (0.104 R)
• M2: 409,599 km (0.118 R)
• M3: 678,875 km (0.119 R)
• M4: 1,239,269 km (0.097 R)
• M5: 1,651,710 km (0.12 R)
• M6: 2,898,459 km (0.096 R)
• M7: 3,475,009 km (0.118 R)
• M8: 3,683,249 km (0.079 R)
• M9: 4,601,331 km (0.093 R)
• M10: 5,582,245 km (0.116 R)
• M11: 6,121,844 km (0.107 R)
• M12: 7,597,477 km (0.071 R)
• M13: 12,022,283 km (0.065 R)
• M14: 12,362,319 km (0.058 R)
• M15: 15,318,373 km (0.039 R)
• M16: 15,718,248 km (0.078 R)
• M17: 16,706,043 km (0.088 R)
• M18: 17,647,462 km (0.096 R)
• M19: 18,987,411 km (0.025 R)
• M20: 19,448,621 km (0.074 R)
• M21: 20,877,580 km (0.083 R)
• M22: 21,369,009 km (0.115 R)
• M23: 21,767,687 km (0.094 R)
• M24: 22,374,905 km (0.099 R)
• M25: 24,372,635 km (0.111 R)
• M26: 30,947,012 km (0.099 R)
• M27: 33,823,331 km (0.088 R)
• M28: 34,501,009 km (0.079 R)
• M29: 40,555,534 km (0.099 R)
• M30: 42,878,639 km (0.089 R)
• M31: 43,512,785 km (0.088 R)
• M32: 43,832,176 km (0.116 R)
• M33: 44,475,746 km (0.072 R)
• M34: 47,281,005 km (0.095 R)
• M35: 58,123,261 km (0.057 R)
• M36: 61,271,099 km (0.066 R)
• M37: 62,480,299 km (0.053 R)
• M38: 64,946,120 km (0.085 R)
• M39: 68,549,484 km (0.082 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 120.4

Radius: 6.2

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 9.11 AU - 11.83 AU

Year: 22592 Days

Day: 19.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 46,228,719 km

• M1: 83,924 km (0.043 R)
• M2: 523,144 km (0.065 R)
• M3: 764,146 km (0.095 R)
• M4: 985,551 km (0.086 R)
• M5: 1,237,922 km (0.075 R)
• M6: 1,451,997 km (0.06 R)
• M7: 2,124,439 km (0.108 R)
• M8: 2,943,039 km (0.069 R)
• M9: 3,257,942 km (0.052 R)
• M10: 3,472,017 km (0.111 R)
• M11: 3,902,260 km (0.079 R)
• M12: 4,687,500 km (0.109 R)
• M13: 6,091,775 km (0.111 R)
• M14: 6,380,948 km (0.091 R)
• M15: 7,183,989 km (0.114 R)
• M16: 10,707,916 km (0.105 R)
• M17: 11,290,600 km (0.077 R)
• M18: 13,046,281 km (0.067 R)
• M19: 13,285,338 km (0.06 R)
• M20: 14,207,908 km (0.118 R)
• M21: 14,846,242 km (0.119 R)
• M22: 18,402,333 km (0.082 R)
• M23: 19,160,495 km (0.047 R)
• M24: 20,820,134 km (0.068 R)
• M25: 26,945,718 km (0.116 R)
• M26: 28,620,466 km (0.097 R)
• M27: 34,285,438 km (0.055 R)
• M28: 43,381,737 km (0.111 R)
• M29: 43,647,722 km (0.077 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 525 - 17,767 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit