🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.47 AU - 0.77 AU

Year: 177 Days

Day: 43.5 Hours

Environment

Temp: 229 °C

Axial Tilt: 29.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.96 AU - 1.46 AU

Year: 484 Days

Day: 44.1 Hours

Environment

Temp: 11 °C

Axial Tilt: 12 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.4 AU - 2.94 AU

Year: 1586 Days

Day: 17 Hours

Environment

Temp: -89 °C

Axial Tilt: 4.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 59,143,785 km

• M1: 803,041 km (0.077 R)
• M2: 1,711,549 km (0.115 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.76 AU - 2.88 AU

Year: 1721 Days

Day: 27.9 Hours

Environment

Temp: -101 °C

Axial Tilt: 27.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,143,785 km

• M1: 172,636 km (0.089 R)

Asteroid Belt

Center: 4.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.2

Radius: 11.7

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 5.77 AU - 6.89 AU

Year: 5788 Days

Day: 10.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,143,785 km

• M1: 145,858 km (0.098 R)
• M2: 542,143 km (0.051 R)
• M3: 1,580,202 km (0.063 R)
• M4: 2,022,713 km (0.08 R)
• M5: 2,405,085 km (0.077 R)
• M6: 3,112,533 km (0.115 R)
• M7: 6,006,355 km (0.104 R)
• M8: 7,218,247 km (0.106 R)
• M9: 7,898,319 km (0.06 R)
• M10: 8,486,089 km (0.051 R)
• M11: 9,896,946 km (0.065 R)
• M12: 12,212,572 km (0.117 R)
• M13: 14,917,451 km (0.07 R)
• M14: 15,969,722 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.1

Radius: 12.5

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 5.16 AU - 7.72 AU

Year: 5940 Days

Day: 11.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,143,785 km

• M1: 155,432 km (0.1 R)
• M2: 562,638 km (0.094 R)
• M3: 1,013,376 km (0.113 R)
• M4: 1,449,005 km (0.102 R)
• M5: 1,968,858 km (0.111 R)
• M6: 2,476,294 km (0.066 R)
• M7: 3,129,139 km (0.06 R)
• M8: 3,561,028 km (0.067 R)
• M9: 4,753,772 km (0.075 R)
• M10: 5,187,157 km (0.045 R)
• M11: 5,617,400 km (0.114 R)
• M12: 6,648,728 km (0.103 R)
• M13: 9,928,511 km (0.082 R)
• M14: 11,625,400 km (0.113 R)
• M15: 12,928,248 km (0.091 R)
• M16: 13,615,201 km (0.113 R)
• M17: 14,833,078 km (0.089 R)
• M18: 16,122,312 km (0.08 R)
• M19: 16,794,306 km (0.103 R)
• M20: 22,482,166 km (0.076 R)
• M21: 23,244,068 km (0.051 R)
• M22: 26,633,657 km (0.044 R)
• M23: 30,247,642 km (0.081 R)
• M24: 31,082,548 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.3

Radius: 11.8

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 6.96 AU - 8.54 AU

Year: 7841 Days

Day: 14.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 59,143,785 km

• M1: 147,055 km (0.061 R)
• M2: 527,632 km (0.085 R)
• M3: 1,043,146 km (0.096 R)
• M4: 1,704,069 km (0.109 R)
• M5: 2,724,327 km (0.059 R)
• M6: 3,129,438 km (0.035 R)
• M7: 3,598,427 km (0.104 R)
• M8: 4,907,409 km (0.12 R)
• M9: 5,480,518 km (0.104 R)
• M10: 6,030,739 km (0.119 R)
• M11: 7,318,178 km (0.062 R)
• M12: 9,264,596 km (0.076 R)
• M13: 11,124,397 km (0.117 R)
• M14: 11,849,199 km (0.077 R)
• M15: 14,034,674 km (0.067 R)
• M16: 15,761,033 km (0.104 R)
• M17: 17,972,688 km (0.048 R)
• M18: 18,467,109 km (0.084 R)
• M19: 19,189,218 km (0.076 R)
• M20: 19,705,929 km (0.072 R)
• M21: 20,613,091 km (0.042 R)
• M22: 23,586,199 km (0.097 R)
• M23: 25,043,581 km (0.115 R)
• M24: 27,480,381 km (0.098 R)
• M25: 31,579,063 km (0.114 R)
• M26: 39,523,458 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 137

Radius: 3.7

Gravity: 10.01 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 16.58 AU - 21.88 AU

Year: 30648 Days

Day: 22.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 59,143,785 km

• M1: 48,320 km (0.119 R)
• M2: 297,251 km (0.101 R)
• M3: 562,638 km (0.036 R)
• M4: 852,857 km (0.082 R)
• M5: 969,394 km (0.099 R)
• M6: 1,275,023 km (0.057 R)
• M7: 1,502,262 km (0.107 R)
• M8: 1,928,616 km (0.106 R)
• M9: 3,971,823 km (0.098 R)
• M10: 5,798,413 km (0.081 R)
• M11: 6,026,401 km (0.095 R)
• M12: 8,745,043 km (0.075 R)
• M13: 9,507,693 km (0.056 R)
• M14: 9,878,396 km (0.077 R)
• M15: 10,094,565 km (0.035 R)
• M16: 10,369,077 km (0.119 R)
• M17: 13,592,463 km (0.11 R)
• M18: 14,062,649 km (0.111 R)
• M19: 14,543,606 km (0.111 R)
• M20: 16,729,380 km (0.093 R)
• M21: 19,629,485 km (0.089 R)
• M22: 21,466,995 km (0.073 R)
• M23: 24,384,303 km (0.111 R)
• M24: 29,740,206 km (0.088 R)
• M25: 37,766,730 km (0.038 R)
• M26: 39,366,081 km (0.092 R)
• M27: 42,841,689 km (0.065 R)
• M28: 57,562,418 km (0.05 R)

Kuiper Belt

Range: 30.2 - 55.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 398 - 14,713 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit