🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.48 AU - 0.74 AU

Year: 166 Days

Day: 44.7 Hours

Environment

Temp: 246 °C

Axial Tilt: 6.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.96 AU - 1.24 AU

Year: 402 Days

Day: 42.7 Hours

Environment

Temp: 158 °C

Axial Tilt: 24.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.12 AU - 1.56 AU

Year: 540 Days

Day: 13.3 Hours

Environment

Temp: 15 °C

Axial Tilt: 33.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 94,291,000 km

• M1: 15,409 km (0.119 R)
• M2: 27,376 km (0.102 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.24 AU - 2.48 AU

Year: 1263 Days

Day: 14.7 Hours

Environment

Temp: -57 °C

Axial Tilt: 31.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 94,291,000 km

• M1: 254,616 km (0.117 R)
• M2: 1,744,162 km (0.074 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.61 AU - 3.05 AU

Year: 1658 Days

Day: 15.8 Hours

Environment

Temp: -84 °C

Axial Tilt: 28.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 94,291,000 km

• M1: 65,374 km (0.049 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 4.1 AU - 4.54 AU

Year: 3127 Days

Day: 37.9 Hours

Environment

Temp: -110 °C

Axial Tilt: 13.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 94,291,000 km

• M1: 1,291,030 km (0.094 R)

Asteroid Belt

Center: 7.91 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 11.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.6

Radius: 12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 10.01 AU - 13 AU

Year: 13581 Days

Day: 12.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 94,291,000 km

• M1: 149,299 km (0.045 R)
• M2: 820,096 km (0.056 R)
• M3: 1,664,276 km (0.12 R)
• M4: 2,464,625 km (0.111 R)
• M5: 3,779,141 km (0.074 R)
• M6: 4,342,377 km (0.118 R)
• M7: 4,932,840 km (0.091 R)
• M8: 7,656,868 km (0.085 R)
• M9: 10,820,863 km (0.06 R)
• M10: 13,067,972 km (0.047 R)
• M11: 13,563,441 km (0.072 R)
• M12: 17,258,807 km (0.115 R)
• M13: 18,603,542 km (0.118 R)
• M14: 20,528,418 km (0.113 R)
• M15: 22,504,157 km (0.052 R)
• M16: 24,107,996 km (0.09 R)
• M17: 31,485,565 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 253.9

Radius: 3.3

Gravity: 23.31 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 15.02 AU - 19.7 AU

Year: 25189 Days

Day: 17.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 94,291,000 km

• M1: 41,887 km (0.101 R)
• M2: 162,463 km (0.081 R)
• M3: 269,127 km (0.043 R)
• M4: 520,750 km (0.117 R)
• M5: 786,137 km (0.093 R)
• M6: 1,147,864 km (0.065 R)
• M7: 2,148,076 km (0.113 R)
• M8: 2,393,267 km (0.097 R)
• M9: 2,522,818 km (0.118 R)
• M10: 2,819,321 km (0.098 R)
• M11: 3,454,364 km (0.079 R)
• M12: 4,087,463 km (0.082 R)
• M13: 4,931,195 km (0.051 R)
• M14: 5,284,545 km (0.109 R)
• M15: 6,201,281 km (0.103 R)
• M16: 7,218,995 km (0.09 R)
• M17: 8,245,087 km (0.083 R)
• M18: 8,691,636 km (0.029 R)
• M19: 9,364,677 km (0.114 R)
• M20: 9,471,340 km (0.117 R)
• M21: 9,578,602 km (0.052 R)
• M22: 9,795,818 km (0.104 R)
• M23: 10,127,776 km (0.12 R)
• M24: 12,406,002 km (0.09 R)
• M25: 16,045,568 km (0.059 R)
• M26: 17,942,170 km (0.096 R)
• M27: 21,059,042 km (0.1 R)
• M28: 24,116,374 km (0.058 R)
• M29: 28,115,424 km (0.097 R)
• M30: 30,039,252 km (0.11 R)
• M31: 32,656,766 km (0.108 R)
• M32: 34,908,214 km (0.09 R)
• M33: 35,811,037 km (0.076 R)
• M34: 40,842,762 km (0.094 R)
• M35: 44,196,746 km (0.032 R)
• M36: 48,681,241 km (0.065 R)
• M37: 54,485,788 km (0.114 R)
• M38: 56,400,940 km (0.116 R)
• M39: 61,664,392 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 20.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 469.6

Radius: 5.2

Gravity: 17.37 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 19.5 AU - 22.34 AU

Year: 33322 Days

Day: 24.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 94,291,000 km

• M1: 81,232 km (0.096 R)
• M2: 276,457 km (0.081 R)
• M3: 472,729 km (0.092 R)
• M4: 752,627 km (0.119 R)
• M5: 1,067,979 km (0.06 R)
• M6: 2,200,285 km (0.112 R)
• M7: 6,095,216 km (0.077 R)
• M8: 7,145,841 km (0.1 R)
• M9: 12,490,525 km (0.066 R)
• M10: 12,935,129 km (0.075 R)
• M11: 14,737,634 km (0.116 R)
• M12: 15,150,524 km (0.047 R)
• M13: 16,260,241 km (0.078 R)
• M14: 16,879,726 km (0.095 R)
• M15: 17,240,706 km (0.08 R)
• M16: 19,025,857 km (0.04 R)
• M17: 20,827,315 km (0.098 R)
• M18: 33,222,546 km (0.106 R)
• M19: 36,121,004 km (0.092 R)
• M20: 46,875,595 km (0.086 R)
• M21: 56,312,827 km (0.108 R)
• M22: 59,372,852 km (0.083 R)
• M23: 61,899,261 km (0.066 R)
• M24: 68,984,964 km (0.088 R)
• M25: 69,214,596 km (0.085 R)
• M26: 74,882,561 km (0.083 R)
• M27: 77,332,674 km (0.085 R)

Kuiper Belt

Range: 31.5 - 58.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 245 - 11,004 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit