🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.1

Radius: 10.2

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.6 AU - 0.96 AU

Year: 476 Days

Day: 11.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 20,180,093 km

• M1: 127,158 km (0.063 R)
• M2: 842,236 km (0.118 R)
• M3: 1,292,825 km (0.116 R)
• M4: 2,450,563 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176

Radius: 14

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.89 AU - 0.93 AU

Year: 599 Days

Day: 5.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,180,093 km

• M1: 174,431 km (0.115 R)
• M2: 631,602 km (0.097 R)
• M3: 1,198,728 km (0.095 R)
• M4: 1,643,333 km (0.11 R)
• M5: 2,185,176 km (0.104 R)
• M6: 2,696,502 km (0.108 R)
• M7: 3,193,765 km (0.098 R)
• M8: 3,740,844 km (0.028 R)
• M9: 4,210,731 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.8

Radius: 12.9

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.91 AU - 1.31 AU

Year: 807 Days

Day: 12.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 20,180,093 km

• M1: 160,369 km (0.106 R)
• M2: 608,265 km (0.098 R)
• M3: 1,192,594 km (0.116 R)
• M4: 1,596,808 km (0.087 R)
• M5: 2,094,819 km (0.062 R)
• M6: 2,552,140 km (0.083 R)
• M7: 2,990,162 km (0.107 R)
• M8: 3,546,816 km (0.1 R)
• M9: 4,391,146 km (0.096 R)
• M10: 5,095,902 km (0.086 R)
• M11: 5,682,475 km (0.098 R)
• M12: 6,478,635 km (0.104 R)
• M13: 6,991,307 km (0.113 R)
• M14: 7,600,320 km (0.096 R)
• M15: 8,195,570 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.1

Radius: 13.9

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.31 AU - 1.55 AU

Year: 1180 Days

Day: 15 Hours

Environment

Temp: -184 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 20,180,093 km

• M1: 172,935 km (0.111 R)
• M2: 607,218 km (0.105 R)
• M3: 1,056,311 km (0.116 R)
• M4: 1,587,383 km (0.043 R)
• M5: 2,328,341 km (0.072 R)
• M6: 2,863,303 km (0.086 R)
• M7: 3,304,467 km (0.108 R)
• M8: 4,122,169 km (0.029 R)
• M9: 4,621,228 km (0.094 R)
• M10: 5,160,827 km (0.08 R)
• M11: 5,607,227 km (0.081 R)
• M12: 6,621,202 km (0.083 R)
• M13: 7,059,823 km (0.099 R)
• M14: 7,658,962 km (0.099 R)
• M15: 8,519,150 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.8

Radius: 12.5

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.26 AU - 1.78 AU

Year: 1294 Days

Day: 10.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 20,180,093 km

• M1: 155,432 km (0.1 R)
• M2: 600,037 km (0.108 R)
• M3: 1,054,515 km (0.06 R)
• M4: 1,560,904 km (0.103 R)
• M5: 2,321,759 km (0.102 R)
• M6: 3,861,719 km (0.082 R)
• M7: 5,297,560 km (0.047 R)
• M8: 6,090,728 km (0.081 R)
• M9: 6,637,957 km (0.101 R)
• M10: 7,749,170 km (0.065 R)
• M11: 8,363,867 km (0.088 R)
• M12: 8,801,441 km (0.065 R)
• M13: 9,596,255 km (0.095 R)
• M14: 10,338,709 km (0.079 R)
• M15: 11,049,598 km (0.104 R)
• M16: 11,938,359 km (0.071 R)
• M17: 12,418,867 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.4

Radius: 12.6

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.4 AU - 2.52 AU

Year: 2663 Days

Day: 11.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 20,180,093 km

• M1: 156,779 km (0.053 R)
• M2: 591,510 km (0.115 R)
• M3: 1,009,486 km (0.117 R)
• M4: 3,010,059 km (0.078 R)
• M5: 3,484,583 km (0.093 R)
• M6: 4,195,622 km (0.077 R)
• M7: 4,721,758 km (0.057 R)
• M8: 5,267,191 km (0.117 R)
• M9: 5,723,016 km (0.104 R)
• M10: 6,232,846 km (0.119 R)
• M11: 7,979,700 km (0.12 R)
• M12: 9,001,753 km (0.116 R)
• M13: 13,552,669 km (0.091 R)
• M14: 14,025,997 km (0.106 R)
• M15: 15,106,243 km (0.034 R)
• M16: 16,883,765 km (0.082 R)
• M17: 17,487,692 km (0.089 R)
• M18: 19,806,010 km (0.038 R)
• M19: 20,850,652 km (0.045 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 26.8

Radius: 6.8

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 6.23 AU - 8.51 AU

Year: 13811 Days

Day: 17.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,180,093 km

• M1: 278,701 km (0.026 R)
• M2: 743,053 km (0.1 R)
• M3: 1,258,417 km (0.097 R)
• M4: 1,627,176 km (0.057 R)
• M5: 3,266,470 km (0.081 R)
• M6: 4,403,563 km (0.095 R)
• M7: 5,278,710 km (0.111 R)
• M8: 6,292,386 km (0.058 R)
• M9: 9,768,442 km (0.104 R)
• M10: 10,373,416 km (0.06 R)
• M11: 18,086,981 km (0.108 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 14,303 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit