🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.64 AU - 0.76 AU

Year: 208 Days

Day: 37.7 Hours

Environment

Temp: 197 °C

Axial Tilt: 5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.71 AU - 0.79 AU

Year: 230 Days

Day: 32.2 Hours

Environment

Temp: 183 °C

Axial Tilt: 36.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.9 AU - 2.54 AU

Year: 1173 Days

Day: 28.4 Hours

Environment

Temp: -73 °C

Axial Tilt: 3.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.59 AU - 3.69 AU

Year: 1974 Days

Day: 31 Hours

Environment

Temp: -96 °C

Axial Tilt: 19.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.64 AU - 3.88 AU

Year: 2088 Days

Day: 43.8 Hours

Environment

Temp: -93 °C

Axial Tilt: 42.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 41,985,240 km

• M1: 28,124 km (0.09 R)
• M2: 2,196,246 km (0.117 R)

Asteroid Belt

Center: 9.72 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 16.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 733.7

Radius: 5

Gravity: 29.35 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 13.62 AU - 18.74 AU

Year: 23089 Days

Day: 15.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 41,985,240 km

• M1: 85,720 km (0.108 R)
• M2: 259,104 km (0.065 R)
• M3: 497,862 km (0.087 R)
• M4: 726,746 km (0.099 R)
• M5: 949,198 km (0.074 R)
• M6: 1,260,512 km (0.106 R)
• M7: 1,728,603 km (0.12 R)
• M8: 2,738,090 km (0.084 R)
• M9: 3,764,331 km (0.102 R)
• M10: 4,398,626 km (0.056 R)
• M11: 5,876,653 km (0.047 R)
• M12: 6,727,416 km (0.12 R)
• M13: 7,206,728 km (0.109 R)
• M14: 7,708,479 km (0.038 R)
• M15: 8,614,444 km (0.055 R)
• M16: 11,824,216 km (0.103 R)
• M17: 12,030,511 km (0.113 R)
• M18: 12,450,432 km (0.096 R)
• M19: 13,393,647 km (0.093 R)
• M20: 18,833,026 km (0.118 R)
• M21: 24,563,372 km (0.092 R)
• M22: 25,238,657 km (0.074 R)
• M23: 28,678,211 km (0.107 R)
• M24: 30,833,019 km (0.042 R)
• M25: 34,753,979 km (0.09 R)
• M26: 41,633,985 km (0.087 R)
• M27: 44,555,931 km (0.095 R)
• M28: 47,611,766 km (0.039 R)
• M29: 50,804,334 km (0.115 R)
• M30: 51,899,391 km (0.092 R)
• M31: 52,083,396 km (0.116 R)
• M32: 63,099,035 km (0.105 R)
• M33: 63,308,622 km (0.028 R)
• M34: 64,789,192 km (0.038 R)
• M35: 65,860,911 km (0.106 R)
• M36: 70,716,559 km (0.112 R)
• M37: 75,097,682 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 278.9

Radius: 6.6

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 13.38 AU - 19.1 AU

Year: 23218 Days

Day: 16.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 41,985,240 km

• M1: 82,129 km (0.03 R)
• M2: 304,880 km (0.069 R)
• M3: 536,308 km (0.092 R)
• M4: 889,359 km (0.118 R)
• M5: 1,375,852 km (0.078 R)
• M6: 1,662,930 km (0.03 R)
• M7: 2,527,157 km (0.11 R)
• M8: 3,207,678 km (0.1 R)
• M9: 3,800,684 km (0.09 R)
• M10: 4,625,566 km (0.114 R)
• M11: 5,167,559 km (0.076 R)
• M12: 6,749,258 km (0.055 R)
• M13: 7,005,070 km (0.085 R)
• M14: 9,343,733 km (0.12 R)
• M15: 10,042,056 km (0.09 R)
• M16: 13,120,332 km (0.045 R)
• M17: 14,341,798 km (0.051 R)
• M18: 14,694,251 km (0.07 R)
• M19: 19,815,884 km (0.098 R)
• M20: 21,787,883 km (0.109 R)
• M21: 25,495,816 km (0.1 R)
• M22: 35,013,830 km (0.082 R)
• M23: 37,218,005 km (0.115 R)
• M24: 38,286,583 km (0.096 R)
• M25: 41,047,262 km (0.11 R)
• M26: 42,620,882 km (0.052 R)
• M27: 42,911,252 km (0.112 R)
• M28: 44,382,995 km (0.036 R)
• M29: 52,082,947 km (0.039 R)
• M30: 53,250,858 km (0.099 R)
• M31: 56,683,680 km (0.111 R)
• M32: 58,633,240 km (0.043 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 59.1

Radius: 5.8

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 16.73 AU - 19.99 AU

Year: 27909 Days

Day: 22.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,985,240 km

• M1: 82,578 km (0.096 R)
• M2: 758,910 km (0.099 R)
• M3: 2,076,867 km (0.089 R)
• M4: 2,520,275 km (0.066 R)
• M5: 4,451,584 km (0.116 R)
• M6: 5,279,907 km (0.1 R)
• M7: 7,834,141 km (0.083 R)
• M8: 8,207,687 km (0.084 R)
• M9: 12,905,210 km (0.074 R)
• M10: 13,602,934 km (0.053 R)
• M11: 14,758,578 km (0.12 R)
• M12: 17,683,516 km (0.096 R)
• M13: 27,198,838 km (0.084 R)
• M14: 38,919,681 km (0.1 R)

Kuiper Belt

Range: 30.9 - 52.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 18,086 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit