🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.6

Radius: 10

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.39 AU - 0.63 AU

Year: 251 Days

Day: 6.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,251,887 km

• M1: 124,316 km (0.107 R)
• M2: 472,430 km (0.072 R)
• M3: 872,604 km (0.095 R)
• M4: 1,248,693 km (0.072 R)
• M5: 1,585,737 km (0.064 R)
• M6: 2,080,607 km (0.057 R)
• M7: 2,457,594 km (0.104 R)
• M8: 2,880,058 km (0.12 R)
• M9: 3,267,068 km (0.085 R)
• M10: 3,677,415 km (0.084 R)
• M11: 4,232,573 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.3

Radius: 9.9

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.59 AU - 0.67 AU

Year: 345 Days

Day: 8.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 22,251,887 km

• M1: 123,119 km (0.058 R)
• M2: 439,967 km (0.064 R)
• M3: 1,082,341 km (0.047 R)
• M4: 1,583,793 km (0.112 R)
• M5: 1,951,205 km (0.11 R)
• M6: 2,375,465 km (0.111 R)
• M7: 2,860,910 km (0.088 R)
• M8: 3,240,290 km (0.11 R)
• M9: 3,761,638 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.8

Radius: 14.4

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.71 AU - 1.13 AU

Year: 609 Days

Day: 11 Hours

Environment

Temp: -178 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 22,251,887 km

• M1: 179,069 km (0.072 R)
• M2: 640,279 km (0.081 R)
• M3: 1,096,702 km (0.094 R)
• M4: 1,618,350 km (0.094 R)
• M5: 2,220,032 km (0.047 R)
• M6: 3,101,762 km (0.084 R)
• M7: 5,028,284 km (0.101 R)
• M8: 6,695,701 km (0.119 R)
• M9: 7,957,410 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.4

Radius: 14.6

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.39 AU - 1.55 AU

Year: 1230 Days

Day: 11 Hours

Environment

Temp: -182 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,251,887 km

• M1: 183,257 km (0.066 R)
• M2: 686,804 km (0.059 R)
• M3: 1,209,499 km (0.095 R)
• M4: 1,822,102 km (0.041 R)
• M5: 2,838,320 km (0.092 R)
• M6: 3,740,844 km (0.097 R)
• M7: 4,332,953 km (0.109 R)
• M8: 6,069,335 km (0.099 R)
• M9: 6,865,645 km (0.093 R)
• M10: 8,119,275 km (0.052 R)
• M11: 9,520,558 km (0.086 R)
• M12: 10,939,045 km (0.113 R)
• M13: 11,862,662 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.6

Radius: 10.3

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.54 AU - 1.56 AU

Year: 1332 Days

Day: 8.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 22,251,887 km

• M1: 130,300 km (0.092 R)
• M2: 1,396,945 km (0.119 R)
• M3: 2,318,767 km (0.065 R)
• M4: 3,320,175 km (0.1 R)
• M5: 5,142,277 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.7

Radius: 10.2

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.79 AU - 2.09 AU

Year: 1865 Days

Day: 5.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 22,251,887 km

• M1: 126,859 km (0.091 R)
• M2: 476,020 km (0.035 R)
• M3: 817,702 km (0.071 R)
• M4: 1,612,366 km (0.117 R)
• M5: 2,111,275 km (0.031 R)
• M6: 2,582,658 km (0.082 R)
• M7: 2,965,778 km (0.111 R)
• M8: 3,559,382 km (0.096 R)
• M9: 3,922,456 km (0.032 R)
• M10: 4,874,048 km (0.043 R)
• M11: 5,276,915 km (0.05 R)
• M12: 5,653,603 km (0.107 R)
• M13: 7,116,072 km (0.037 R)
• M14: 7,547,362 km (0.076 R)
• M15: 9,246,495 km (0.084 R)
• M16: 9,621,686 km (0.117 R)
• M17: 10,808,895 km (0.095 R)
• M18: 11,970,373 km (0.1 R)
• M19: 13,999,070 km (0.119 R)
• M20: 14,448,910 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.8

Radius: 13

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.19 AU - 3.93 AU

Year: 4636 Days

Day: 12.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 22,251,887 km

• M1: 161,715 km (0.113 R)
• M2: 631,153 km (0.07 R)
• M3: 1,354,758 km (0.083 R)
• M4: 1,821,803 km (0.06 R)
• M5: 2,354,222 km (0.067 R)
• M6: 3,321,821 km (0.089 R)
• M7: 4,061,881 km (0.097 R)
• M8: 4,744,796 km (0.093 R)
• M9: 5,952,499 km (0.097 R)
• M10: 7,324,312 km (0.063 R)
• M11: 8,338,286 km (0.07 R)
• M12: 11,857,875 km (0.062 R)
• M13: 12,430,835 km (0.095 R)
• M14: 13,068,421 km (0.119 R)
• M15: 13,679,977 km (0.112 R)
• M16: 15,473,656 km (0.108 R)
• M17: 20,260,488 km (0.11 R)
• M18: 21,595,799 km (0.102 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: 440 - 18,101 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit