🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.01 AU - 1.21 AU

Year: 415 Days

Day: 30.7 Hours

Environment

Temp: 33 °C

Axial Tilt: 4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.37 AU - 2.05 AU

Year: 793 Days

Day: 47.9 Hours

Environment

Temp: -31 °C

Axial Tilt: 5.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.38 AU - 4.64 AU

Year: 2849 Days

Day: 29.5 Hours

Environment

Temp: -111 °C

Axial Tilt: 123.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,339,789 km

• M1: 20,495 km (0.092 R)

Asteroid Belt

Center: 4.82 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.5

Radius: 11.3

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 5.51 AU - 5.75 AU

Year: 4739 Days

Day: 7.8 Hours

Environment

Temp: -132 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,339,789 km

• M1: 140,622 km (0.073 R)
• M2: 921,972 km (0.042 R)
• M3: 1,758,373 km (0.113 R)
• M4: 2,675,708 km (0.08 R)
• M5: 9,335,506 km (0.093 R)
• M6: 12,884,565 km (0.115 R)
• M7: 14,958,590 km (0.1 R)
• M8: 15,343,356 km (0.106 R)
• M9: 18,536,523 km (0.078 R)
• M10: 19,627,091 km (0.073 R)
• M11: 20,355,333 km (0.107 R)
• M12: 20,964,346 km (0.116 R)
• M13: 27,005,856 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.2

Radius: 14.3

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 6.05 AU - 8.39 AU

Year: 6882 Days

Day: 11.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,339,789 km

• M1: 177,872 km (0.036 R)
• M2: 644,767 km (0.075 R)
• M3: 1,361,789 km (0.077 R)
• M4: 1,915,152 km (0.057 R)
• M5: 2,778,930 km (0.104 R)
• M6: 3,281,130 km (0.118 R)
• M7: 3,821,328 km (0.061 R)
• M8: 4,548,074 km (0.111 R)
• M9: 5,251,184 km (0.033 R)
• M10: 7,258,489 km (0.028 R)
• M11: 7,878,572 km (0.042 R)
• M12: 8,415,778 km (0.114 R)
• M13: 9,142,225 km (0.108 R)
• M14: 11,526,666 km (0.101 R)
• M15: 13,473,981 km (0.09 R)
• M16: 17,686,358 km (0.045 R)
• M17: 22,476,482 km (0.099 R)
• M18: 23,796,982 km (0.113 R)
• M19: 26,592,218 km (0.115 R)
• M20: 29,875,742 km (0.078 R)
• M21: 32,241,632 km (0.086 R)
• M22: 32,925,893 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 124.2

Radius: 3.2

Gravity: 12.13 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 14.26 AU - 16.8 AU

Year: 21712 Days

Day: 23.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,339,789 km

• M1: 122,371 km (0.057 R)
• M2: 361,428 km (0.05 R)
• M3: 644,767 km (0.112 R)
• M4: 784,641 km (0.096 R)
• M5: 984,952 km (0.102 R)
• M6: 1,748,500 km (0.08 R)
• M7: 3,218,299 km (0.106 R)
• M8: 3,383,006 km (0.099 R)
• M9: 3,504,181 km (0.09 R)
• M10: 3,937,865 km (0.12 R)
• M11: 6,578,866 km (0.097 R)
• M12: 7,936,167 km (0.101 R)
• M13: 8,064,223 km (0.117 R)
• M14: 21,442,312 km (0.092 R)
• M15: 22,025,295 km (0.113 R)
• M16: 25,282,938 km (0.047 R)
• M17: 29,150,192 km (0.088 R)
• M18: 29,762,347 km (0.118 R)
• M19: 34,176,232 km (0.107 R)
• M20: 41,648,496 km (0.102 R)
• M21: 42,294,609 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 301.5

Radius: 3.4

Gravity: 26.08 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 13.21 AU - 21.51 AU

Year: 25660 Days

Day: 17.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 68,339,789 km

• M1: 43,383 km (0.097 R)
• M2: 151,692 km (0.058 R)
• M3: 286,929 km (0.056 R)
• M4: 496,067 km (0.088 R)
• M5: 974,630 km (0.05 R)
• M6: 1,122,283 km (0.1 R)
• M7: 1,270,535 km (0.068 R)
• M8: 1,416,692 km (0.103 R)
• M9: 1,904,830 km (0.059 R)
• M10: 2,541,518 km (0.102 R)
• M11: 2,970,565 km (0.061 R)
• M12: 3,529,911 km (0.111 R)
• M13: 3,643,905 km (0.086 R)
• M14: 4,479,259 km (0.103 R)
• M15: 7,454,761 km (0.098 R)
• M16: 8,176,272 km (0.059 R)
• M17: 11,098,217 km (0.071 R)
• M18: 15,241,480 km (0.085 R)
• M19: 17,119,831 km (0.098 R)
• M20: 19,766,965 km (0.036 R)
• M21: 21,140,423 km (0.114 R)
• M22: 22,187,309 km (0.059 R)
• M23: 26,176,785 km (0.108 R)
• M24: 28,056,033 km (0.071 R)
• M25: 30,499,116 km (0.112 R)
• M26: 31,956,948 km (0.101 R)
• M27: 32,702,992 km (0.084 R)
• M28: 34,749,042 km (0.055 R)
• M29: 45,016,393 km (0.086 R)
• M30: 45,796,247 km (0.109 R)
• M31: 49,665,446 km (0.08 R)
• M32: 52,706,172 km (0.057 R)
• M33: 53,398,362 km (0.076 R)
• M34: 54,800,842 km (0.083 R)
• M35: 55,155,239 km (0.051 R)
• M36: 56,227,706 km (0.109 R)
• M37: 65,113,670 km (0.079 R)
• M38: 65,511,301 km (0.103 R)

Kuiper Belt

Range: 30.9 - 58.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 10,755 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit