🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.45 AU - 0.63 AU

Year: 144 Days

Day: 18.1 Hours

Environment

Temp: 244 °C

Axial Tilt: 15 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.51 AU - 0.85 AU

Year: 204 Days

Day: 46.1 Hours

Environment

Temp: 159 °C

Axial Tilt: 10.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.58

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.56 AU - 0.88 AU

Year: 222 Days

Day: 45 Hours

Environment

Temp: 143 °C

Axial Tilt: 18 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.48

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.5 AU - 2.28 AU

Year: 944 Days

Day: 18.6 Hours

Environment

Temp: -54 °C

Axial Tilt: 21.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.36 AU - 2.8 AU

Year: 1506 Days

Day: 42 Hours

Environment

Temp: -96 °C

Axial Tilt: 16.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.41 AU - 3.25 AU

Year: 1730 Days

Day: 30.9 Hours

Environment

Temp: -95 °C

Axial Tilt: 3.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.36 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 13.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 809.9

Radius: 3.4

Gravity: 70.06 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 13.13 AU - 14.65 AU

Year: 18814 Days

Day: 20.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 92,734,961 km

• M1: 42,785 km (0.089 R)
• M2: 277,654 km (0.078 R)
• M3: 492,476 km (0.11 R)
• M4: 820,245 km (0.052 R)
• M5: 957,277 km (0.09 R)
• M6: 1,219,821 km (0.111 R)
• M7: 1,368,073 km (0.07 R)
• M8: 1,578,856 km (0.076 R)
• M9: 1,810,733 km (0.112 R)
• M10: 4,728,340 km (0.092 R)
• M11: 4,872,851 km (0.107 R)
• M12: 5,803,051 km (0.116 R)
• M13: 6,223,271 km (0.077 R)
• M14: 7,905,200 km (0.073 R)
• M15: 8,212,175 km (0.081 R)
• M16: 8,849,911 km (0.062 R)
• M17: 11,086,549 km (0.117 R)
• M18: 11,535,941 km (0.076 R)
• M19: 12,266,577 km (0.102 R)
• M20: 12,956,971 km (0.12 R)
• M21: 13,746,100 km (0.082 R)
• M22: 16,386,652 km (0.092 R)
• M23: 17,479,763 km (0.114 R)
• M24: 22,848,532 km (0.119 R)
• M25: 28,738,050 km (0.116 R)
• M26: 30,322,890 km (0.026 R)
• M27: 35,839,910 km (0.083 R)
• M28: 36,118,162 km (0.066 R)
• M29: 37,530,815 km (0.104 R)
• M30: 39,421,881 km (0.082 R)
• M31: 42,298,499 km (0.064 R)
• M32: 42,765,244 km (0.08 R)
• M33: 44,185,676 km (0.053 R)
• M34: 45,800,435 km (0.083 R)
• M35: 50,182,307 km (0.074 R)
• M36: 52,295,676 km (0.046 R)
• M37: 54,651,244 km (0.025 R)
• M38: 58,990,330 km (0.091 R)
• M39: 62,341,173 km (0.1 R)
• M40: 72,260,708 km (0.112 R)
• M41: 75,179,064 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 659.2

Radius: 5.3

Gravity: 23.47 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 17.66 AU - 18.06 AU

Year: 27432 Days

Day: 16.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 92,734,961 km

• M1: 65,973 km (0.089 R)
• M2: 264,788 km (0.118 R)
• M3: 606,320 km (0.096 R)
• M4: 974,032 km (0.093 R)
• M5: 1,566,589 km (0.065 R)
• M6: 2,144,037 km (0.084 R)
• M7: 2,618,412 km (0.104 R)
• M8: 2,853,430 km (0.114 R)
• M9: 3,612,639 km (0.059 R)
• M10: 3,904,355 km (0.085 R)
• M11: 4,991,931 km (0.106 R)
• M12: 5,231,587 km (0.069 R)
• M13: 6,882,699 km (0.098 R)
• M14: 7,746,477 km (0.095 R)
• M15: 8,454,224 km (0.03 R)
• M16: 10,250,446 km (0.101 R)
• M17: 11,649,485 km (0.065 R)
• M18: 16,691,382 km (0.079 R)
• M19: 18,334,416 km (0.077 R)
• M20: 22,799,015 km (0.115 R)
• M21: 23,905,889 km (0.091 R)
• M22: 25,164,456 km (0.112 R)
• M23: 26,226,452 km (0.117 R)
• M24: 27,688,471 km (0.106 R)
• M25: 36,861,514 km (0.103 R)
• M26: 37,162,804 km (0.111 R)
• M27: 38,693,340 km (0.083 R)
• M28: 41,391,038 km (0.046 R)
• M29: 42,537,407 km (0.088 R)
• M30: 49,314,040 km (0.092 R)
• M31: 53,629,490 km (0.101 R)
• M32: 54,991,280 km (0.079 R)
• M33: 57,379,011 km (0.095 R)
• M34: 59,627,617 km (0.086 R)
• M35: 66,279,486 km (0.115 R)
• M36: 68,753,835 km (0.111 R)
• M37: 74,604,907 km (0.103 R)
• M38: 75,328,512 km (0.113 R)
• M39: 76,300,748 km (0.112 R)
• M40: 87,018,538 km (0.105 R)
• M41: 87,552,603 km (0.12 R)

Kuiper Belt

Range: 30.2 - 48.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 482 - 11,859 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit