🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.5 AU - 0.52 AU

Year: 239 Days

Day: 32.3 Hours

Environment

Temp: -110 °C

Axial Tilt: 16 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,216,395 km

• M1: 35,455 km (0.118 R)

Asteroid Belt

Center: 1.02 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431

Radius: 9.5

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.35 AU - 1.69 AU

Year: 1229 Days

Day: 11.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,216,395 km

• M1: 118,482 km (0.062 R)
• M2: 428,897 km (0.104 R)
• M3: 973,134 km (0.059 R)
• M4: 1,481,169 km (0.062 R)
• M5: 2,036,177 km (0.053 R)
• M6: 2,823,959 km (0.093 R)
• M7: 3,204,985 km (0.036 R)
• M8: 3,531,407 km (0.086 R)
• M9: 4,629,306 km (0.089 R)
• M10: 6,369,429 km (0.085 R)
• M11: 8,887,609 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.9

Radius: 14.2

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.18 AU - 1.92 AU

Year: 1266 Days

Day: 10.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 28,216,395 km

• M1: 184,005 km (0.065 R)
• M2: 982,260 km (0.077 R)
• M3: 1,510,041 km (0.078 R)
• M4: 2,283,163 km (0.06 R)
• M5: 2,876,318 km (0.059 R)
• M6: 3,351,740 km (0.1 R)
• M7: 3,911,835 km (0.084 R)
• M8: 4,394,138 km (0.103 R)
• M9: 4,860,285 km (0.109 R)
• M10: 6,598,912 km (0.088 R)
• M11: 9,087,323 km (0.088 R)
• M12: 9,580,696 km (0.089 R)
• M13: 10,122,540 km (0.039 R)
• M14: 10,844,649 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.6

Radius: 11.9

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.45 AU - 2.19 AU

Year: 1611 Days

Day: 14.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,216,395 km

• M1: 148,251 km (0.099 R)
• M2: 550,371 km (0.113 R)
• M3: 1,021,753 km (0.062 R)
• M4: 1,617,003 km (0.045 R)
• M5: 2,152,564 km (0.06 R)
• M6: 2,893,522 km (0.078 R)
• M7: 3,282,028 km (0.075 R)
• M8: 4,452,781 km (0.111 R)
• M9: 5,800,657 km (0.112 R)
• M10: 8,189,885 km (0.065 R)
• M11: 9,002,501 km (0.066 R)
• M12: 10,290,688 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.4

Radius: 8.3

Gravity: 8.77 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.88 AU - 2.02 AU

Year: 1786 Days

Day: 5 Hours

Environment

Temp: -188 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 28,216,395 km

• M1: 103,671 km (0.114 R)
• M2: 431,440 km (0.027 R)
• M3: 734,675 km (0.094 R)
• M4: 1,115,851 km (0.083 R)
• M5: 1,724,564 km (0.08 R)
• M6: 2,139,100 km (0.09 R)
• M7: 2,421,391 km (0.057 R)
• M8: 3,373,432 km (0.11 R)
• M9: 3,689,233 km (0.079 R)
• M10: 4,516,659 km (0.072 R)
• M11: 4,901,125 km (0.091 R)
• M12: 5,782,107 km (0.064 R)
• M13: 6,066,044 km (0.081 R)
• M14: 7,268,961 km (0.04 R)
• M15: 7,544,221 km (0.107 R)
• M16: 8,115,684 km (0.115 R)
• M17: 8,715,572 km (0.104 R)
• M18: 9,637,544 km (0.047 R)
• M19: 9,936,590 km (0.105 R)
• M20: 13,033,714 km (0.12 R)
• M21: 13,730,541 km (0.094 R)

Asteroid Belt

Center: 2.29 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.8

Radius: 11.9

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.19 AU - 3.07 AU

Year: 2798 Days

Day: 13.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 28,216,395 km

• M1: 150,645 km (0.102 R)
• M2: 619,335 km (0.112 R)
• M3: 1,465,910 km (0.107 R)
• M4: 2,406,282 km (0.08 R)
• M5: 2,778,032 km (0.094 R)
• M6: 3,204,985 km (0.105 R)
• M7: 3,603,364 km (0.115 R)
• M8: 4,212,975 km (0.077 R)
• M9: 5,232,186 km (0.114 R)
• M10: 5,862,890 km (0.069 R)
• M11: 6,328,888 km (0.038 R)
• M12: 6,819,569 km (0.109 R)
• M13: 8,158,170 km (0.102 R)
• M14: 9,109,164 km (0.095 R)
• M15: 10,843,901 km (0.103 R)
• M16: 12,075,391 km (0.064 R)
• M17: 15,682,046 km (0.038 R)
• M18: 17,570,719 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.2

Radius: 10.3

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.84 AU - 3.9 AU

Year: 4994 Days

Day: 12.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 28,216,395 km

• M1: 128,056 km (0.096 R)
• M2: 516,412 km (0.117 R)
• M3: 1,574,069 km (0.12 R)
• M4: 2,636,812 km (0.042 R)
• M5: 3,063,016 km (0.099 R)
• M6: 4,123,217 km (0.104 R)
• M7: 5,194,188 km (0.109 R)
• M8: 8,960,015 km (0.033 R)
• M9: 10,965,374 km (0.115 R)
• M10: 11,695,711 km (0.086 R)
• M11: 12,951,286 km (0.116 R)
• M12: 13,871,762 km (0.12 R)
• M13: 15,333,483 km (0.076 R)
• M14: 16,072,795 km (0.088 R)
• M15: 17,683,964 km (0.114 R)
• M16: 18,307,189 km (0.101 R)
• M17: 19,400,301 km (0.073 R)
• M18: 21,155,383 km (0.115 R)
• M19: 21,645,466 km (0.09 R)
• M20: 25,842,883 km (0.1 R)
• M21: 27,382,095 km (0.054 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 13,440 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit