🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.2

Radius: 9.4

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.5 AU - 0.64 AU

Year: 297 Days

Day: 7.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,125,994 km

• M1: 116,986 km (0.039 R)
• M2: 700,268 km (0.08 R)
• M3: 1,053,319 km (0.07 R)
• M4: 1,466,209 km (0.118 R)
• M5: 2,150,918 km (0.116 R)
• M6: 2,475,695 km (0.067 R)
• M7: 2,833,533 km (0.104 R)
• M8: 3,154,421 km (0.097 R)
• M9: 3,488,922 km (0.1 R)
• M10: 3,999,649 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.2

Radius: 10.3

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.55 AU - 0.73 AU

Year: 353 Days

Day: 11.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,125,994 km

• M1: 128,355 km (0.084 R)
• M2: 541,095 km (0.086 R)
• M3: 898,784 km (0.091 R)
• M4: 1,584,989 km (0.063 R)
• M5: 1,987,258 km (0.082 R)
• M6: 2,312,334 km (0.078 R)
• M7: 2,833,832 km (0.089 R)
• M8: 3,216,953 km (0.112 R)
• M9: 3,833,146 km (0.034 R)
• M10: 4,446,647 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.6

Radius: 10.5

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.67 AU - 0.71 AU

Year: 396 Days

Day: 7.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,125,994 km

• M1: 130,898 km (0.092 R)
• M2: 509,979 km (0.095 R)
• M3: 948,899 km (0.085 R)
• M4: 1,411,007 km (0.067 R)
• M5: 1,884,335 km (0.088 R)
• M6: 2,215,993 km (0.102 R)
• M7: 2,548,101 km (0.081 R)
• M8: 3,396,620 km (0.084 R)
• M9: 3,790,212 km (0.047 R)
• M10: 4,269,224 km (0.071 R)
• M11: 4,610,756 km (0.076 R)
• M12: 4,970,688 km (0.117 R)
• M13: 5,300,851 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.6

Radius: 11.9

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.75 AU - 0.93 AU

Year: 531 Days

Day: 11.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,125,994 km

• M1: 147,952 km (0.107 R)
• M2: 558,150 km (0.068 R)
• M3: 934,239 km (0.063 R)
• M4: 1,335,311 km (0.11 R)
• M5: 1,765,255 km (0.097 R)
• M6: 2,194,152 km (0.116 R)
• M7: 2,890,530 km (0.119 R)
• M8: 3,596,632 km (0.113 R)
• M9: 4,090,455 km (0.117 R)
• M10: 4,475,071 km (0.113 R)
• M11: 4,851,609 km (0.062 R)
• M12: 5,300,701 km (0.046 R)
• M13: 6,837,520 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.5

Radius: 12.8

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.84 AU - 1.04 AU

Year: 629 Days

Day: 12.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 48,125,994 km

• M1: 183,706 km (0.098 R)
• M2: 746,045 km (0.113 R)
• M3: 1,178,682 km (0.104 R)
• M4: 1,859,202 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.7

Radius: 10

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.04 AU - 1.16 AU

Year: 796 Days

Day: 10.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,125,994 km

• M1: 124,316 km (0.11 R)
• M2: 577,149 km (0.085 R)
• M3: 1,326,484 km (0.091 R)
• M4: 1,671,756 km (0.04 R)
• M5: 2,600,759 km (0.055 R)
• M6: 2,916,710 km (0.119 R)
• M7: 3,395,124 km (0.036 R)
• M8: 3,787,818 km (0.045 R)
• M9: 4,109,154 km (0.05 R)
• M10: 4,494,518 km (0.102 R)
• M11: 5,151,403 km (0.087 R)
• M12: 5,476,928 km (0.075 R)
• M13: 5,944,720 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.6

Radius: 14.1

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.13 AU - 1.69 AU

Year: 1156 Days

Day: 13 Hours

Environment

Temp: -180 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,125,994 km

• M1: 198,068 km (0.112 R)
• M2: 701,464 km (0.095 R)
• M3: 1,156,691 km (0.075 R)
• M4: 1,809,985 km (0.087 R)
• M5: 2,365,591 km (0.106 R)
• M6: 3,251,809 km (0.055 R)
• M7: 4,791,021 km (0.051 R)
• M8: 5,519,713 km (0.086 R)
• M9: 6,635,414 km (0.092 R)
• M10: 7,271,653 km (0.112 R)
• M11: 8,077,986 km (0.116 R)
• M12: 9,027,484 km (0.111 R)
• M13: 9,661,629 km (0.032 R)

Planet 8 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.3

Radius: 11.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.43 AU - 2.31 AU

Year: 1765 Days

Day: 9.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,125,994 km

• M1: 138,079 km (0.12 R)
• M2: 585,825 km (0.1 R)
• M3: 1,019,659 km (0.053 R)
• M4: 1,475,185 km (0.085 R)
• M5: 1,829,432 km (0.041 R)
• M6: 2,281,667 km (0.116 R)
• M7: 3,164,444 km (0.07 R)
• M8: 3,677,564 km (0.1 R)
• M9: 4,167,797 km (0.113 R)
• M10: 4,600,883 km (0.112 R)
• M11: 5,279,758 km (0.065 R)
• M12: 5,749,046 km (0.095 R)
• M13: 6,246,309 km (0.12 R)
• M14: 7,146,141 km (0.066 R)
• M15: 7,604,060 km (0.064 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 363.5

Radius: 6.2

Gravity: 9.46 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 6.88 AU - 7.86 AU

Year: 13811 Days

Day: 19.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 48,125,994 km

• M1: 78,240 km (0.037 R)
• M2: 352,752 km (0.104 R)
• M3: 554,559 km (0.116 R)
• M4: 827,875 km (0.067 R)
• M5: 1,651,560 km (0.112 R)
• M6: 2,245,015 km (0.099 R)
• M7: 2,530,747 km (0.099 R)
• M8: 3,060,922 km (0.115 R)
• M9: 3,977,807 km (0.06 R)
• M10: 4,543,736 km (0.102 R)
• M11: 6,678,498 km (0.111 R)
• M12: 7,434,865 km (0.12 R)
• M13: 7,898,020 km (0.116 R)
• M14: 8,158,769 km (0.088 R)
• M15: 8,470,082 km (0.112 R)
• M16: 9,069,371 km (0.117 R)
• M17: 9,307,232 km (0.079 R)
• M18: 10,876,364 km (0.051 R)
• M19: 12,850,756 km (0.112 R)
• M20: 13,333,509 km (0.094 R)
• M21: 14,788,797 km (0.094 R)
• M22: 15,999,193 km (0.079 R)
• M23: 17,057,299 km (0.08 R)
• M24: 19,311,888 km (0.115 R)
• M25: 24,770,565 km (0.081 R)
• M26: 25,801,893 km (0.09 R)
• M27: 26,569,779 km (0.116 R)
• M28: 29,170,538 km (0.115 R)
• M29: 34,871,712 km (0.118 R)
• M30: 35,809,990 km (0.049 R)
• M31: 38,228,988 km (0.094 R)
• M32: 38,725,503 km (0.104 R)
• M33: 40,369,135 km (0.052 R)
• M34: 44,338,116 km (0.09 R)
• M35: 46,276,306 km (0.098 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: 475 - 19,529 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit