🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.69 AU - 1.03 AU

Year: 286 Days

Day: 12.1 Hours

Environment

Temp: 176 °C

Axial Tilt: 15.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.18 AU - 1.2 AU

Year: 465 Days

Day: 14.3 Hours

Environment

Temp: 8 °C

Axial Tilt: 26.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.15 AU - 1.49 AU

Year: 543 Days

Day: 14.5 Hours

Environment

Temp: 10 °C

Axial Tilt: 49.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 76,612,888 km

• M1: 74,500 km (0.091 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.16 AU - 1.56 AU

Year: 568 Days

Day: 15.1 Hours

Environment

Temp: 2 °C

Axial Tilt: 34 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.18 AU - 1.62 AU

Year: 593 Days

Day: 17.8 Hours

Environment

Temp: -11 °C

Axial Tilt: 6.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.07 AU - 2.99 AU

Year: 1441 Days

Day: 14.6 Hours

Environment

Temp: -88 °C

Axial Tilt: 6.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.23 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.1

Radius: 9.7

Gravity: 9.78 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 5.28 AU - 6.58 AU

Year: 5172 Days

Day: 6.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 76,612,888 km

• M1: 170,990 km (0.063 R)
• M2: 818,001 km (0.057 R)
• M3: 917,933 km (0.052 R)
• M4: 1,275,920 km (0.034 R)
• M5: 1,393,355 km (0.077 R)
• M6: 1,497,026 km (0.114 R)
• M7: 1,693,897 km (0.1 R)
• M8: 2,093,323 km (0.08 R)
• M9: 2,396,408 km (0.073 R)
• M10: 2,585,201 km (0.081 R)
• M11: 2,844,454 km (0.113 R)
• M12: 2,910,576 km (0.063 R)
• M13: 3,841,673 km (0.105 R)
• M14: 3,988,878 km (0.118 R)
• M15: 4,390,548 km (0.088 R)
• M16: 4,493,022 km (0.053 R)
• M17: 4,648,305 km (0.104 R)
• M18: 5,017,363 km (0.104 R)
• M19: 5,178,480 km (0.074 R)
• M20: 5,368,768 km (0.108 R)
• M21: 5,450,898 km (0.112 R)
• M22: 5,644,477 km (0.088 R)
• M23: 6,181,085 km (0.101 R)
• M24: 6,499,130 km (0.073 R)
• M25: 6,793,090 km (0.119 R)
• M26: 7,031,399 km (0.108 R)
• M27: 7,181,745 km (0.067 R)
• M28: 7,363,506 km (0.04 R)
• M29: 7,516,246 km (0.109 R)
• M30: 8,012,013 km (0.111 R)
• M31: 8,390,645 km (0.033 R)
• M32: 8,518,252 km (0.08 R)
• M33: 8,678,621 km (0.101 R)
• M34: 8,775,261 km (0.094 R)
• M35: 9,002,351 km (0.115 R)
• M36: 9,297,059 km (0.087 R)
• M37: 9,429,154 km (0.09 R)
• M38: 9,963,517 km (0.064 R)
• M39: 10,030,986 km (0.068 R)
• M40: 10,098,604 km (0.093 R)
• M41: 10,166,522 km (0.111 R)
• M42: 10,542,162 km (0.052 R)
• M43: 10,783,463 km (0.096 R)
• M44: 10,991,853 km (0.117 R)
• M45: 11,447,977 km (0.094 R)
• M46: 12,270,167 km (0.078 R)
• M47: 12,560,536 km (0.064 R)
• M48: 12,633,540 km (0.052 R)
• M49: 13,333,658 km (0.111 R)
• M50: 13,782,452 km (0.051 R)
• M51: 14,541,212 km (0.109 R)
• M52: 14,887,232 km (0.082 R)
• M53: 15,626,395 km (0.033 R)
• M54: 15,822,967 km (0.066 R)
• M55: 16,099,424 km (0.089 R)
• M56: 16,417,469 km (0.096 R)
• M57: 17,181,016 km (0.055 R)
• M58: 18,951,357 km (0.085 R)
• M59: 20,306,265 km (0.092 R)
• M60: 20,434,770 km (0.113 R)
• M61: 21,517,111 km (0.103 R)
• M62: 22,175,491 km (0.085 R)
• M63: 22,885,033 km (0.077 R)
• M64: 23,601,906 km (0.092 R)
• M65: 24,371,737 km (0.119 R)
• M66: 25,380,176 km (0.079 R)
• M67: 25,936,082 km (0.115 R)
• M68: 26,122,182 km (0.092 R)
• M69: 26,355,554 km (0.105 R)
• M70: 26,824,394 km (0.089 R)
• M71: 27,012,588 km (0.083 R)
• M72: 27,106,835 km (0.059 R)
• M73: 28,438,555 km (0.087 R)
• M74: 29,015,853 km (0.099 R)
• M75: 30,328,874 km (0.096 R)
• M76: 30,967,806 km (0.112 R)
• M77: 33,315,147 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 366.5

Radius: 4.5

Gravity: 18.1 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 13.81 AU - 22.43 AU

Year: 27626 Days

Day: 17.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 76,612,888 km

• M1: 68,516 km (0.099 R)
• M2: 169,494 km (0.075 R)
• M3: 473,776 km (0.067 R)
• M4: 1,354,010 km (0.101 R)
• M5: 1,383,631 km (0.05 R)
• M6: 1,597,107 km (0.117 R)
• M7: 3,318,230 km (0.116 R)
• M8: 4,195,921 km (0.119 R)
• M9: 4,727,742 km (0.115 R)
• M10: 6,049,139 km (0.081 R)
• M11: 6,852,181 km (0.108 R)
• M12: 7,476,004 km (0.092 R)
• M13: 7,687,984 km (0.075 R)
• M14: 8,390,645 km (0.094 R)
• M15: 8,500,450 km (0.115 R)
• M16: 9,972,194 km (0.037 R)
• M17: 10,088,581 km (0.042 R)
• M18: 11,642,753 km (0.063 R)
• M19: 11,703,939 km (0.1 R)
• M20: 12,761,596 km (0.104 R)
• M21: 12,951,286 km (0.113 R)
• M22: 13,078,444 km (0.057 R)
• M23: 13,397,836 km (0.103 R)
• M24: 15,434,910 km (0.061 R)
• M25: 15,569,548 km (0.097 R)
• M26: 17,777,313 km (0.109 R)
• M27: 18,487,006 km (0.042 R)
• M28: 19,641,752 km (0.06 R)
• M29: 20,375,230 km (0.112 R)
• M30: 20,745,485 km (0.096 R)
• M31: 22,782,110 km (0.053 R)
• M32: 22,858,704 km (0.075 R)
• M33: 23,552,390 km (0.049 R)
• M34: 24,881,417 km (0.101 R)
• M35: 25,754,321 km (0.098 R)
• M36: 26,154,345 km (0.119 R)
• M37: 29,344,670 km (0.094 R)
• M38: 30,182,268 km (0.066 R)
• M39: 30,266,492 km (0.088 R)
• M40: 30,942,824 km (0.081 R)
• M41: 31,880,952 km (0.109 R)
• M42: 34,486,348 km (0.073 R)
• M43: 34,927,213 km (0.115 R)
• M44: 36,350,338 km (0.083 R)
• M45: 37,159,213 km (0.085 R)
• M46: 37,430,135 km (0.064 R)
• M47: 39,990,353 km (0.029 R)
• M48: 40,360,608 km (0.068 R)
• M49: 40,732,209 km (0.062 R)
• M50: 41,104,708 km (0.116 R)
• M51: 41,291,555 km (0.066 R)
• M52: 42,417,728 km (0.114 R)
• M53: 45,953,474 km (0.063 R)
• M54: 47,022,650 km (0.082 R)
• M55: 47,609,373 km (0.112 R)
• M56: 50,179,464 km (0.105 R)
• M57: 50,578,890 km (0.116 R)
• M58: 51,682,624 km (0.113 R)
• M59: 51,783,303 km (0.108 R)
• M60: 52,085,939 km (0.113 R)
• M61: 52,186,918 km (0.067 R)
• M62: 53,404,046 km (0.082 R)
• M63: 55,350,015 km (0.1 R)
• M64: 57,945,688 km (0.07 R)
• M65: 58,469,580 km (0.105 R)
• M66: 62,609,402 km (0.056 R)
• M67: 64,877,455 km (0.096 R)
• M68: 66,623,412 km (0.1 R)
• M69: 66,842,722 km (0.086 R)
• M70: 68,606,032 km (0.068 R)
• M71: 68,827,587 km (0.098 R)
• M72: 71,391,694 km (0.109 R)
• M73: 73,420,092 km (0.047 R)
• M74: 75,010,766 km (0.085 R)
• M75: 76,153,993 km (0.067 R)
• M76: 76,498,068 km (0.047 R)

Kuiper Belt

Range: 30.6 - 53.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 420 - 16,890 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit