🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.51 AU - 0.63 AU

Year: 153 Days

Day: 17.2 Hours

Environment

Temp: 254 °C

Axial Tilt: 36.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 92,829,546 km

• M1: 34,557 km (0.102 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.65 AU - 0.87 AU

Year: 236 Days

Day: 12.6 Hours

Environment

Temp: 136 °C

Axial Tilt: 36.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.07 AU - 1.43 AU

Year: 498 Days

Day: 36.3 Hours

Environment

Temp: 3 °C

Axial Tilt: 3.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.4 AU - 3.68 AU

Year: 1889 Days

Day: 12.7 Hours

Environment

Temp: -101 °C

Axial Tilt: 6.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.39 AU - 3.59 AU

Year: 2324 Days

Day: 15.4 Hours

Environment

Temp: -102 °C

Axial Tilt: 21.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.08 AU - 4.02 AU

Year: 2384 Days

Day: 46.8 Hours

Environment

Temp: -114 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 92,829,546 km

• M1: 254,765 km (0.101 R)
• M2: 527,781 km (0.114 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 3.81 AU - 3.85 AU

Year: 2672 Days

Day: 25.6 Hours

Environment

Temp: -110 °C

Axial Tilt: 33.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.5

Radius: 12.7

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 8.94 AU - 10.28 AU

Year: 10619 Days

Day: 10.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 92,829,546 km

• M1: 158,574 km (0.074 R)
• M2: 560,693 km (0.118 R)
• M3: 1,251,985 km (0.116 R)
• M4: 2,642,646 km (0.118 R)
• M5: 3,555,193 km (0.069 R)
• M6: 4,074,448 km (0.115 R)
• M7: 5,111,909 km (0.114 R)
• M8: 6,556,575 km (0.099 R)
• M9: 7,243,828 km (0.059 R)
• M10: 7,672,127 km (0.068 R)
• M11: 10,114,611 km (0.072 R)
• M12: 14,742,421 km (0.087 R)
• M13: 17,692,043 km (0.081 R)
• M14: 24,364,556 km (0.091 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.8

Radius: 14

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 11.14 AU - 11.16 AU

Year: 13271 Days

Day: 8.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 92,829,546 km

• M1: 174,132 km (0.11 R)
• M2: 629,508 km (0.066 R)
• M3: 1,168,359 km (0.08 R)
• M4: 1,943,276 km (0.05 R)
• M5: 2,642,946 km (0.078 R)
• M6: 3,992,019 km (0.035 R)
• M7: 4,522,792 km (0.088 R)
• M8: 5,727,354 km (0.084 R)
• M9: 6,800,719 km (0.101 R)
• M10: 7,601,068 km (0.071 R)
• M11: 10,531,241 km (0.099 R)
• M12: 10,982,279 km (0.107 R)
• M13: 12,303,228 km (0.065 R)
• M14: 13,492,681 km (0.049 R)
• M15: 17,245,044 km (0.06 R)
• M16: 18,953,302 km (0.09 R)
• M17: 21,562,887 km (0.075 R)
• M18: 22,374,007 km (0.108 R)
• M19: 26,553,772 km (0.115 R)
• M20: 27,110,425 km (0.065 R)
• M21: 33,542,685 km (0.1 R)
• M22: 34,084,379 km (0.101 R)
• M23: 35,520,070 km (0.083 R)
• M24: 39,948,017 km (0.05 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 907.6

Radius: 6.1

Gravity: 24.39 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 15.69 AU - 16.87 AU

Year: 23414 Days

Day: 20 Hours

Environment

Temp: -196 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 92,829,546 km

• M1: 75,846 km (0.114 R)
• M2: 294,109 km (0.073 R)
• M3: 607,816 km (0.093 R)
• M4: 1,219,223 km (0.062 R)
• M5: 1,763,161 km (0.036 R)
• M6: 2,385,188 km (0.106 R)
• M7: 3,289,358 km (0.049 R)
• M8: 3,818,785 km (0.082 R)
• M9: 4,623,322 km (0.097 R)
• M10: 4,889,307 km (0.053 R)
• M11: 6,012,039 km (0.096 R)
• M12: 6,898,855 km (0.093 R)
• M13: 8,584,524 km (0.107 R)
• M14: 9,891,411 km (0.081 R)
• M15: 11,122,452 km (0.096 R)
• M16: 15,340,065 km (0.096 R)
• M17: 16,104,510 km (0.062 R)
• M18: 17,893,850 km (0.111 R)
• M19: 18,740,724 km (0.101 R)
• M20: 19,911,028 km (0.084 R)
• M21: 21,651,150 km (0.057 R)
• M22: 23,379,305 km (0.049 R)
• M23: 25,080,981 km (0.081 R)
• M24: 26,742,115 km (0.074 R)
• M25: 28,601,916 km (0.117 R)
• M26: 33,273,409 km (0.096 R)
• M27: 37,814,452 km (0.107 R)
• M28: 38,894,100 km (0.077 R)
• M29: 44,431,764 km (0.091 R)
• M30: 45,807,018 km (0.112 R)
• M31: 49,186,583 km (0.079 R)
• M32: 53,688,432 km (0.085 R)
• M33: 64,150,709 km (0.089 R)
• M34: 64,368,523 km (0.074 R)
• M35: 65,684,984 km (0.099 R)
• M36: 73,724,374 km (0.097 R)
• M37: 81,371,518 km (0.115 R)
• M38: 83,168,487 km (0.069 R)
• M39: 86,045,554 km (0.08 R)
• M40: 86,310,342 km (0.087 R)

Kuiper Belt

Range: 30.8 - 46.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 237 - 19,091 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit