🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.62 AU - 0.66 AU

Year: 180 Days

Day: 13.1 Hours

Environment

Temp: 248 °C

Axial Tilt: 25.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.6 AU - 0.7 AU

Year: 184 Days

Day: 15.8 Hours

Environment

Temp: 176 °C

Axial Tilt: 39.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.52 AU - 0.78 AU

Year: 184 Days

Day: 18.5 Hours

Environment

Temp: 204 °C

Axial Tilt: 23.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 81,318,171 km

• M1: 347,665 km (0.083 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.71 AU - 0.79 AU

Year: 228 Days

Day: 20.2 Hours

Environment

Temp: 173 °C

Axial Tilt: 32.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 81,318,171 km

• M1: 54,005 km (0.096 R)
• M2: 270,473 km (0.113 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.05 AU - 1.69 AU

Year: 564 Days

Day: 41.6 Hours

Environment

Temp: 7 °C

Axial Tilt: 15.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.53 AU - 2.37 AU

Year: 957 Days

Day: 40.8 Hours

Environment

Temp: -58 °C

Axial Tilt: 4.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.94 AU - 2.24 AU

Year: 1062 Days

Day: 46.4 Hours

Environment

Temp: -52 °C

Axial Tilt: 22.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 4.27 AU - 4.69 AU

Year: 3333 Days

Day: 38.2 Hours

Environment

Temp: -125 °C

Axial Tilt: 36 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,318,171 km

• M1: 350,508 km (0.1 R)

Asteroid Belt

Center: 6.77 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.7

Radius: 12.8

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 8.69 AU - 9.43 AU

Year: 9585 Days

Day: 10 Hours

Environment

Temp: -155 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 81,318,171 km

• M1: 201,658 km (0.102 R)
• M2: 461,809 km (0.104 R)
• M3: 551,717 km (0.113 R)
• M4: 768,634 km (0.105 R)
• M5: 963,709 km (0.064 R)
• M6: 1,067,830 km (0.053 R)
• M7: 1,269,338 km (0.087 R)
• M8: 1,585,588 km (0.04 R)
• M9: 2,061,309 km (0.05 R)
• M10: 3,061,520 km (0.092 R)
• M11: 3,272,603 km (0.03 R)
• M12: 3,515,849 km (0.094 R)
• M13: 3,653,629 km (0.117 R)
• M14: 3,877,876 km (0.094 R)
• M15: 4,077,739 km (0.075 R)
• M16: 4,164,506 km (0.12 R)
• M17: 4,398,925 km (0.094 R)
• M18: 4,667,902 km (0.085 R)
• M19: 4,819,744 km (0.089 R)
• M20: 5,004,049 km (0.087 R)
• M21: 5,097,099 km (0.095 R)
• M22: 5,190,747 km (0.044 R)
• M23: 6,258,876 km (0.106 R)
• M24: 6,938,798 km (0.117 R)
• M25: 7,042,769 km (0.09 R)
• M26: 7,930,034 km (0.093 R)
• M27: 8,927,552 km (0.114 R)
• M28: 9,769,639 km (0.119 R)
• M29: 10,239,675 km (0.05 R)
• M30: 10,677,099 km (0.096 R)
• M31: 10,837,618 km (0.115 R)
• M32: 11,161,198 km (0.073 R)
• M33: 11,405,940 km (0.09 R)
• M34: 11,859,371 km (0.11 R)
• M35: 13,427,606 km (0.099 R)
• M36: 13,950,151 km (0.119 R)
• M37: 14,434,998 km (0.119 R)
• M38: 14,523,859 km (0.1 R)
• M39: 14,970,409 km (0.108 R)
• M40: 15,060,167 km (0.119 R)
• M41: 16,708,287 km (0.119 R)
• M42: 16,801,486 km (0.113 R)
• M43: 16,894,836 km (0.12 R)
• M44: 16,988,484 km (0.037 R)
• M45: 18,847,686 km (0.095 R)
• M46: 19,285,858 km (0.051 R)
• M47: 19,579,818 km (0.085 R)
• M48: 21,021,792 km (0.117 R)
• M49: 21,984,903 km (0.067 R)
• M50: 23,378,407 km (0.109 R)
• M51: 23,954,209 km (0.109 R)
• M52: 25,280,395 km (0.088 R)
• M53: 25,979,465 km (0.05 R)
• M54: 26,521,459 km (0.087 R)
• M55: 26,794,026 km (0.073 R)
• M56: 27,067,341 km (0.09 R)
• M57: 28,225,528 km (0.109 R)
• M58: 28,615,230 km (0.1 R)
• M59: 28,950,629 km (0.089 R)
• M60: 29,231,125 km (0.085 R)
• M61: 29,456,270 km (0.074 R)
• M62: 29,964,753 km (0.108 R)
• M63: 30,476,228 km (0.068 R)
• M64: 30,818,807 km (0.118 R)
• M65: 32,842,417 km (0.081 R)
• M66: 33,369,750 km (0.096 R)
• M67: 33,487,334 km (0.07 R)
• M68: 33,899,775 km (0.095 R)
• M69: 34,314,012 km (0.081 R)
• M70: 34,432,792 km (0.092 R)
• M71: 36,048,001 km (0.07 R)
• M72: 36,349,889 km (0.119 R)
• M73: 36,652,526 km (0.046 R)
• M74: 38,856,551 km (0.106 R)
• M75: 39,662,883 km (0.104 R)
• M76: 40,349,538 km (0.065 R)
• M77: 40,914,270 km (0.095 R)
• M78: 42,051,513 km (0.09 R)
• M79: 42,687,902 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 769.5

Radius: 6.4

Gravity: 18.79 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 11.97 AU - 18.45 AU

Year: 20848 Days

Day: 23.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 81,318,171 km

• M1: 127,158 km (0.116 R)
• M2: 214,224 km (0.089 R)
• M3: 275,709 km (0.063 R)
• M4: 326,871 km (0.116 R)
• M5: 381,624 km (0.097 R)
• M6: 480,808 km (0.107 R)
• M7: 729,439 km (0.059 R)
• M8: 1,364,183 km (0.053 R)
• M9: 2,128,479 km (0.106 R)
• M10: 2,236,638 km (0.114 R)
• M11: 2,571,887 km (0.069 R)
• M12: 2,725,972 km (0.108 R)
• M13: 3,043,419 km (0.116 R)
• M14: 3,083,960 km (0.046 R)
• M15: 3,289,208 km (0.115 R)
• M16: 3,372,534 km (0.077 R)
• M17: 3,887,450 km (0.071 R)
• M18: 3,975,563 km (0.107 R)
• M19: 4,472,677 km (0.034 R)
• M20: 5,230,241 km (0.065 R)
• M21: 5,925,272 km (0.093 R)
• M22: 7,400,307 km (0.119 R)
• M23: 7,730,620 km (0.034 R)
• M24: 8,462,602 km (0.076 R)
• M25: 8,577,044 km (0.111 R)
• M26: 9,334,309 km (0.047 R)
• M27: 9,810,928 km (0.072 R)
• M28: 11,476,999 km (0.116 R)
• M29: 11,923,100 km (0.062 R)
• M30: 12,309,960 km (0.051 R)
• M31: 12,701,009 km (0.058 R)
• M32: 13,696,283 km (0.107 R)
• M33: 14,442,029 km (0.074 R)
• M34: 14,510,545 km (0.096 R)
• M35: 15,480,088 km (0.043 R)
• M36: 20,094,435 km (0.115 R)
• M37: 20,554,448 km (0.109 R)
• M38: 21,876,893 km (0.077 R)
• M39: 22,588,082 km (0.111 R)
• M40: 25,425,056 km (0.098 R)
• M41: 26,088,971 km (0.089 R)
• M42: 26,255,922 km (0.099 R)
• M43: 26,423,173 km (0.088 R)
• M44: 28,801,779 km (0.037 R)
• M45: 29,147,051 km (0.109 R)
• M46: 31,247,854 km (0.11 R)
• M47: 31,336,416 km (0.104 R)
• M48: 31,780,721 km (0.065 R)
• M49: 32,406,040 km (0.036 R)
• M50: 34,489,340 km (0.109 R)
• M51: 34,764,152 km (0.084 R)
• M52: 34,856,005 km (0.105 R)
• M53: 35,316,168 km (0.039 R)
• M54: 35,685,824 km (0.114 R)
• M55: 37,647,202 km (0.107 R)
• M56: 37,835,845 km (0.092 R)
• M57: 38,498,563 km (0.081 R)
• M58: 40,605,948 km (0.09 R)
• M59: 42,260,052 km (0.082 R)
• M60: 44,432,961 km (0.057 R)
• M61: 45,633,484 km (0.089 R)
• M62: 47,657,992 km (0.078 R)
• M63: 49,092,336 km (0.072 R)
• M64: 49,814,894 km (0.089 R)
• M65: 51,584,338 km (0.093 R)
• M66: 52,108,529 km (0.087 R)
• M67: 54,970,186 km (0.102 R)
• M68: 55,077,149 km (0.095 R)
• M69: 55,291,373 km (0.111 R)
• M70: 57,014,441 km (0.094 R)
• M71: 57,339,368 km (0.09 R)
• M72: 58,209,130 km (0.119 R)
• M73: 59,741,760 km (0.037 R)
• M74: 60,955,148 km (0.115 R)
• M75: 62,065,314 km (0.099 R)
• M76: 63,743,054 km (0.066 R)
• M77: 64,418,339 km (0.111 R)
• M78: 65,549,149 km (0.109 R)
• M79: 65,889,634 km (0.094 R)
• M80: 68,174,592 km (0.077 R)
• M81: 69,442,284 km (0.047 R)
• M82: 69,673,712 km (0.089 R)
• M83: 69,905,290 km (0.087 R)
• M84: 70,485,281 km (0.06 R)
• M85: 73,174,302 km (0.067 R)
• M86: 74,590,546 km (0.113 R)
• M87: 76,134,994 km (0.111 R)
• M88: 77,690,064 km (0.057 R)
• M89: 80,588,074 km (0.102 R)

Kuiper Belt

Range: 31.2 - 55.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 452 - 15,264 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit