🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.1 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.76 AU - 2.62 AU

Year: 1241 Days

Day: 39.8 Hours

Environment

Temp: -85 °C

Axial Tilt: 8.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 85,430,199 km

• M1: 131,497 km (0.095 R)
• M2: 1,283,251 km (0.074 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.01 AU - 2.69 AU

Year: 1379 Days

Day: 30.8 Hours

Environment

Temp: -92 °C

Axial Tilt: 43.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 85,430,199 km

• M1: 32,762 km (0.1 R)
• M2: 981,811 km (0.108 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.96

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.69 AU - 2.91 AU

Year: 1794 Days

Day: 38.6 Hours

Environment

Temp: -103 °C

Axial Tilt: 33.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 85,430,199 km

• M1: 235,916 km (0.069 R)

Asteroid Belt

Center: 3.57 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.5

Radius: 14.2

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 3.29 AU - 5.39 AU

Year: 3462 Days

Day: 11.2 Hours

Environment

Temp: -133 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 85,430,199 km

• M1: 176,675 km (0.114 R)
• M2: 663,018 km (0.11 R)
• M3: 1,146,368 km (0.118 R)
• M4: 1,680,582 km (0.085 R)
• M5: 2,416,754 km (0.069 R)
• M6: 4,796,557 km (0.094 R)
• M7: 8,646,159 km (0.1 R)
• M8: 10,972,405 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.2

Radius: 14.8

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 4.79 AU - 7.07 AU

Year: 5529 Days

Day: 12.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 85,430,199 km

• M1: 199,264 km (0.084 R)
• M2: 831,166 km (0.101 R)
• M3: 1,649,616 km (0.094 R)
• M4: 4,175,725 km (0.107 R)
• M5: 4,635,888 km (0.033 R)
• M6: 5,273,624 km (0.047 R)
• M7: 7,325,808 km (0.079 R)
• M8: 8,194,074 km (0.119 R)
• M9: 11,069,943 km (0.077 R)
• M10: 12,841,481 km (0.034 R)
• M11: 15,997,697 km (0.091 R)
• M12: 17,788,683 km (0.073 R)
• M13: 19,147,480 km (0.079 R)
• M14: 19,710,118 km (0.096 R)
• M15: 26,302,298 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.6

Radius: 10.7

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 9.54 AU - 10.44 AU

Year: 12090 Days

Day: 6.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 85,430,199 km

• M1: 140,622 km (0.082 R)
• M2: 499,956 km (0.109 R)
• M3: 1,024,446 km (0.025 R)
• M4: 1,378,245 km (0.051 R)
• M5: 2,245,913 km (0.104 R)
• M6: 2,700,242 km (0.069 R)
• M7: 3,165,940 km (0.045 R)
• M8: 3,576,735 km (0.103 R)
• M9: 4,632,747 km (0.094 R)
• M10: 5,999,174 km (0.11 R)
• M11: 7,307,557 km (0.12 R)
• M12: 7,662,553 km (0.097 R)
• M13: 8,747,885 km (0.07 R)
• M14: 9,986,555 km (0.109 R)
• M15: 10,932,313 km (0.11 R)
• M16: 11,936,863 km (0.102 R)
• M17: 12,555,749 km (0.097 R)
• M18: 13,261,253 km (0.065 R)
• M19: 13,790,680 km (0.104 R)
• M20: 15,464,081 km (0.115 R)
• M21: 16,805,226 km (0.091 R)
• M22: 22,574,767 km (0.117 R)
• M23: 26,107,072 km (0.105 R)
• M24: 31,601,204 km (0.104 R)
• M25: 32,546,363 km (0.069 R)
• M26: 33,388,749 km (0.088 R)
• M27: 36,131,027 km (0.062 R)
• M28: 41,075,985 km (0.049 R)
• M29: 42,628,811 km (0.078 R)
• M30: 51,307,133 km (0.047 R)
• M31: 51,793,924 km (0.069 R)
• M32: 57,529,058 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.6

Radius: 14.7

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 9.72 AU - 11.3 AU

Year: 13046 Days

Day: 11.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,430,199 km

• M1: 195,824 km (0.104 R)
• M2: 805,285 km (0.091 R)
• M3: 2,183,381 km (0.082 R)
• M4: 2,835,179 km (0.109 R)
• M5: 3,424,445 km (0.117 R)
• M6: 4,331,008 km (0.08 R)
• M7: 5,005,844 km (0.081 R)
• M8: 5,509,839 km (0.119 R)
• M9: 8,722,902 km (0.064 R)
• M10: 10,158,593 km (0.053 R)
• M11: 10,782,715 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 754.6

Radius: 7

Gravity: 15.4 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 14.78 AU - 15.36 AU

Year: 22400 Days

Day: 16.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 85,430,199 km

• M1: 130,449 km (0.064 R)
• M2: 525,388 km (0.086 R)
• M3: 893,698 km (0.081 R)
• M4: 1,130,661 km (0.064 R)
• M5: 1,627,176 km (0.057 R)
• M6: 2,966,526 km (0.104 R)
• M7: 3,213,362 km (0.087 R)
• M8: 4,732,678 km (0.04 R)
• M9: 8,009,470 km (0.035 R)
• M10: 9,626,623 km (0.117 R)
• M11: 11,854,434 km (0.096 R)
• M12: 14,404,480 km (0.112 R)
• M13: 15,275,887 km (0.109 R)
• M14: 17,210,936 km (0.079 R)
• M15: 17,474,826 km (0.108 R)
• M16: 19,209,414 km (0.092 R)
• M17: 25,664,412 km (0.038 R)
• M18: 29,752,922 km (0.051 R)
• M19: 32,349,941 km (0.033 R)
• M20: 34,394,196 km (0.11 R)
• M21: 36,378,313 km (0.114 R)
• M22: 55,071,763 km (0.115 R)
• M23: 70,181,747 km (0.051 R)
• M24: 73,594,972 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 535.9

Radius: 5.9

Gravity: 15.4 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 13.82 AU - 20.56 AU

Year: 27289 Days

Day: 23.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 85,430,199 km

• M1: 73,602 km (0.03 R)
• M2: 364,271 km (0.085 R)
• M3: 627,862 km (0.081 R)
• M4: 1,068,129 km (0.056 R)
• M5: 1,356,254 km (0.093 R)
• M6: 1,553,275 km (0.096 R)
• M7: 2,285,706 km (0.084 R)
• M8: 2,741,231 km (0.105 R)
• M9: 3,831,800 km (0.12 R)
• M10: 4,438,419 km (0.072 R)
• M11: 5,465,409 km (0.115 R)
• M12: 6,277,276 km (0.114 R)
• M13: 8,682,062 km (0.07 R)
• M14: 9,904,576 km (0.059 R)
• M15: 15,533,794 km (0.088 R)
• M16: 18,687,317 km (0.087 R)
• M17: 18,874,015 km (0.111 R)
• M18: 22,034,420 km (0.093 R)
• M19: 22,242,810 km (0.083 R)
• M20: 23,739,387 km (0.106 R)
• M21: 24,623,959 km (0.071 R)
• M22: 25,301,637 km (0.06 R)
• M23: 25,991,732 km (0.109 R)
• M24: 27,050,287 km (0.112 R)
• M25: 38,653,846 km (0.094 R)
• M26: 45,027,762 km (0.099 R)
• M27: 47,414,148 km (0.079 R)
• M28: 59,000,054 km (0.068 R)
• M29: 63,525,689 km (0.119 R)
• M30: 66,522,882 km (0.042 R)
• M31: 72,107,221 km (0.093 R)
• M32: 75,366,809 km (0.101 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 447.6

Radius: 7.1

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 14.34 AU - 21.82 AU

Year: 29435 Days

Day: 17 Hours

Environment

Temp: -201 °C

Axial Tilt: 92.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 85,430,199 km

• M1: 88,263 km (0.074 R)
• M2: 867,368 km (0.105 R)
• M3: 1,167,761 km (0.115 R)
• M4: 1,640,789 km (0.119 R)
• M5: 2,705,178 km (0.079 R)
• M6: 2,964,132 km (0.114 R)
• M7: 5,111,909 km (0.077 R)
• M8: 5,841,946 km (0.086 R)
• M9: 6,593,526 km (0.114 R)
• M10: 7,210,318 km (0.109 R)
• M11: 8,558,793 km (0.112 R)
• M12: 10,692,209 km (0.106 R)
• M13: 11,276,388 km (0.065 R)
• M14: 11,813,295 km (0.101 R)
• M15: 14,995,541 km (0.11 R)
• M16: 18,893,313 km (0.112 R)
• M17: 20,329,453 km (0.086 R)
• M18: 22,251,038 km (0.116 R)
• M19: 23,960,642 km (0.113 R)
• M20: 26,804,348 km (0.088 R)
• M21: 27,518,828 km (0.096 R)
• M22: 31,152,261 km (0.083 R)
• M23: 35,804,605 km (0.063 R)
• M24: 37,847,812 km (0.076 R)
• M25: 38,445,606 km (0.093 R)
• M26: 38,746,896 km (0.072 R)
• M27: 39,049,682 km (0.117 R)
• M28: 41,213,765 km (0.044 R)
• M29: 42,969,146 km (0.075 R)
• M30: 63,345,274 km (0.108 R)
• M31: 63,976,427 km (0.036 R)
• M32: 68,071,519 km (0.071 R)
• M33: 80,165,759 km (0.076 R)
• M34: 83,146,646 km (0.107 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 457 - 16,756 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit