🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.45 AU - 0.69 AU

Year: 278 Days

Day: 31.6 Hours

Environment

Temp: -133 °C

Axial Tilt: 65.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 17,447,501 km

• M1: 65,673 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.9

Radius: 8.2

Gravity: 10.36 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.74 AU - 0.82 AU

Year: 445 Days

Day: 9.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 17,447,501 km

• M1: 102,175 km (0.106 R)
• M2: 423,362 km (0.038 R)
• M3: 681,119 km (0.085 R)
• M4: 1,728,454 km (0.083 R)
• M5: 2,006,107 km (0.107 R)
• M6: 2,755,294 km (0.053 R)
• M7: 3,479,646 km (0.072 R)
• M8: 4,512,171 km (0.105 R)
• M9: 5,028,134 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.6

Radius: 9.8

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.69 AU - 1.11 AU

Year: 551 Days

Day: 5.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 17,447,501 km

• M1: 122,521 km (0.103 R)
• M2: 436,078 km (0.053 R)
• M3: 782,397 km (0.089 R)
• M4: 1,199,476 km (0.067 R)
• M5: 2,089,284 km (0.115 R)
• M6: 2,446,374 km (0.079 R)
• M7: 3,087,700 km (0.066 R)
• M8: 3,566,563 km (0.072 R)
• M9: 3,890,592 km (0.091 R)
• M10: 4,248,280 km (0.074 R)
• M11: 4,904,267 km (0.045 R)
• M12: 5,574,765 km (0.119 R)
• M13: 5,888,023 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.3

Radius: 8.6

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.87 AU - 1.13 AU

Year: 646 Days

Day: 5.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 17,447,501 km

• M1: 106,962 km (0.117 R)
• M2: 379,530 km (0.064 R)
• M3: 648,956 km (0.108 R)
• M4: 1,076,955 km (0.032 R)
• M5: 1,373,608 km (0.025 R)
• M6: 2,580,862 km (0.073 R)
• M7: 2,933,315 km (0.111 R)
• M8: 3,368,046 km (0.115 R)
• M9: 3,762,686 km (0.032 R)
• M10: 4,158,522 km (0.098 R)
• M11: 6,065,146 km (0.112 R)
• M12: 7,040,824 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.5

Radius: 13.6

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.08 AU - 1.42 AU

Year: 902 Days

Day: 6.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 17,447,501 km

• M1: 169,345 km (0.057 R)
• M2: 686,804 km (0.082 R)
• M3: 1,200,373 km (0.113 R)
• M4: 1,709,604 km (0.083 R)
• M5: 2,412,266 km (0.12 R)
• M6: 2,971,762 km (0.041 R)
• M7: 3,925,448 km (0.106 R)
• M8: 4,831,263 km (0.103 R)
• M9: 6,872,975 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.5

Radius: 9.5

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.29 AU - 1.57 AU

Year: 1104 Days

Day: 5.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 17,447,501 km

• M1: 119,230 km (0.081 R)
• M2: 418,724 km (0.058 R)
• M3: 874,250 km (0.119 R)
• M4: 1,264,102 km (0.102 R)
• M5: 1,753,736 km (0.087 R)
• M6: 2,462,830 km (0.105 R)
• M7: 2,977,895 km (0.096 R)
• M8: 3,691,926 km (0.12 R)
• M9: 4,054,850 km (0.094 R)
• M10: 5,423,671 km (0.12 R)
• M11: 5,804,996 km (0.111 R)
• M12: 6,222,823 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.2

Radius: 9.5

Gravity: 7.75 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.17 AU - 1.95 AU

Year: 1258 Days

Day: 10.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 17,447,501 km

• M1: 121,174 km (0.111 R)
• M2: 438,920 km (0.076 R)
• M3: 846,425 km (0.086 R)
• M4: 1,363,884 km (0.038 R)
• M5: 1,738,028 km (0.072 R)
• M6: 2,039,169 km (0.071 R)
• M7: 2,545,109 km (0.084 R)
• M8: 3,368,046 km (0.114 R)
• M9: 3,678,761 km (0.097 R)
• M10: 4,485,692 km (0.089 R)
• M11: 4,902,023 km (0.112 R)
• M12: 8,379,126 km (0.073 R)
• M13: 8,923,962 km (0.087 R)
• M14: 9,894,852 km (0.118 R)
• M15: 11,342,660 km (0.09 R)
• M16: 11,796,241 km (0.085 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.1

Radius: 12.4

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.43 AU - 2.75 AU

Year: 2691 Days

Day: 14 Hours

Environment

Temp: -190 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 17,447,501 km

• M1: 154,235 km (0.057 R)
• M2: 554,559 km (0.051 R)
• M3: 1,073,514 km (0.065 R)
• M4: 1,637,349 km (0.107 R)
• M5: 2,328,940 km (0.082 R)
• M6: 3,126,595 km (0.111 R)
• M7: 3,927,094 km (0.111 R)
• M8: 4,376,187 km (0.102 R)
• M9: 5,171,299 km (0.111 R)
• M10: 6,111,223 km (0.049 R)
• M11: 7,218,845 km (0.114 R)
• M12: 8,942,063 km (0.112 R)
• M13: 9,344,631 km (0.085 R)
• M14: 10,114,013 km (0.113 R)
• M15: 10,514,187 km (0.049 R)
• M16: 16,281,484 km (0.102 R)
• M17: 17,086,919 km (0.111 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 520 - 12,328 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit