🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.3

Radius: 14

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.44 AU - 0.68 AU

Year: 284 Days

Day: 7.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,424,135 km

• M1: 174,282 km (0.075 R)
• M2: 684,709 km (0.088 R)
• M3: 1,185,862 km (0.075 R)
• M4: 1,897,200 km (0.066 R)
• M5: 2,356,765 km (0.098 R)
• M6: 2,900,852 km (0.11 R)
• M7: 3,496,252 km (0.108 R)
• M8: 4,040,190 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.8

Radius: 14

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.84 AU - 1.26 AU

Year: 730 Days

Day: 13.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 54,424,135 km

• M1: 174,581 km (0.079 R)
• M2: 739,911 km (0.078 R)
• M3: 1,435,691 km (0.067 R)
• M4: 2,466,570 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.4

Radius: 8.2

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 3.2 AU - 5.32 AU

Year: 5964 Days

Day: 8.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,424,135 km

• M1: 102,175 km (0.079 R)
• M2: 439,967 km (0.108 R)
• M3: 842,984 km (0.103 R)
• M4: 1,232,537 km (0.097 R)
• M5: 1,675,047 km (0.106 R)
• M6: 2,099,606 km (0.115 R)
• M7: 2,915,812 km (0.115 R)
• M8: 3,469,324 km (0.109 R)
• M9: 4,354,495 km (0.115 R)
• M10: 5,382,831 km (0.07 R)
• M11: 5,729,598 km (0.09 R)
• M12: 6,029,991 km (0.107 R)
• M13: 6,927,429 km (0.096 R)
• M14: 9,105,574 km (0.085 R)
• M15: 10,819,068 km (0.098 R)
• M16: 12,041,881 km (0.03 R)
• M17: 12,336,588 km (0.078 R)
• M18: 14,317,115 km (0.097 R)
• M19: 15,268,108 km (0.068 R)
• M20: 16,320,529 km (0.119 R)
• M21: 17,924,817 km (0.098 R)
• M22: 19,028,849 km (0.095 R)
• M23: 21,229,284 km (0.099 R)
• M24: 23,670,422 km (0.095 R)
• M25: 25,077,839 km (0.089 R)
• M26: 26,956,489 km (0.092 R)
• M27: 29,367,708 km (0.112 R)
• M28: 29,902,520 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.8

Radius: 10.9

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 4.19 AU - 5.23 AU

Year: 6933 Days

Day: 10 Hours

Environment

Temp: -224 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,424,135 km

• M1: 136,284 km (0.117 R)
• M2: 560,992 km (0.116 R)
• M3: 1,202,617 km (0.118 R)
• M4: 1,565,392 km (0.092 R)
• M5: 2,075,371 km (0.105 R)
• M6: 2,436,351 km (0.11 R)
• M7: 5,899,691 km (0.053 R)
• M8: 8,552,809 km (0.115 R)
• M9: 9,833,966 km (0.076 R)
• M10: 13,672,348 km (0.117 R)
• M11: 14,499,774 km (0.066 R)
• M12: 16,437,365 km (0.111 R)
• M13: 17,246,091 km (0.107 R)
• M14: 17,756,818 km (0.072 R)
• M15: 18,475,487 km (0.066 R)
• M16: 21,180,665 km (0.1 R)
• M17: 21,914,742 km (0.118 R)
• M18: 22,589,877 km (0.096 R)
• M19: 23,124,390 km (0.062 R)
• M20: 24,060,574 km (0.094 R)
• M21: 24,618,125 km (0.055 R)
• M22: 26,258,914 km (0.115 R)
• M23: 28,765,726 km (0.06 R)
• M24: 29,394,037 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 562.6

Radius: 4.9

Gravity: 23.43 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 5.5 AU - 9.08 AU

Year: 13350 Days

Day: 18.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,424,135 km

• M1: 61,036 km (0.09 R)
• M2: 267,331 km (0.088 R)
• M3: 696,827 km (0.115 R)
• M4: 1,154,896 km (0.069 R)
• M5: 1,428,360 km (0.078 R)
• M6: 1,588,281 km (0.088 R)
• M7: 2,104,692 km (0.089 R)
• M8: 2,493,049 km (0.094 R)
• M9: 3,890,592 km (0.103 R)
• M10: 4,175,576 km (0.1 R)
• M11: 4,535,658 km (0.071 R)
• M12: 4,755,268 km (0.069 R)
• M13: 5,352,462 km (0.06 R)
• M14: 6,301,362 km (0.099 R)
• M15: 9,056,356 km (0.1 R)
• M16: 9,814,069 km (0.108 R)
• M17: 11,282,821 km (0.11 R)
• M18: 11,512,304 km (0.12 R)
• M19: 13,269,630 km (0.115 R)
• M20: 17,381,777 km (0.041 R)
• M21: 18,310,779 km (0.059 R)
• M22: 22,001,060 km (0.062 R)
• M23: 30,035,064 km (0.119 R)
• M24: 32,167,282 km (0.052 R)
• M25: 37,615,487 km (0.091 R)
• M26: 40,623,601 km (0.084 R)
• M27: 42,669,651 km (0.116 R)
• M28: 47,858,004 km (0.077 R)
• M29: 51,698,481 km (0.094 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 553 - 18,615 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit