🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.76 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.22 AU - 1.82 AU

Year: 714 Days

Day: 23.9 Hours

Environment

Temp: -56 °C

Axial Tilt: 35.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.12 AU - 3.58 AU

Year: 2335 Days

Day: 23.5 Hours

Environment

Temp: -114 °C

Axial Tilt: 4.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.5

Radius: 12.7

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.84 AU - 4.68 AU

Year: 3348 Days

Day: 10.3 Hours

Environment

Temp: -131 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 85,289,709 km

• M1: 157,975 km (0.061 R)
• M2: 574,157 km (0.109 R)
• M3: 1,098,946 km (0.071 R)
• M4: 1,573,770 km (0.081 R)
• M5: 2,199,986 km (0.109 R)
• M6: 2,684,683 km (0.041 R)
• M7: 3,148,736 km (0.041 R)
• M8: 3,830,603 km (0.106 R)
• M9: 4,399,075 km (0.104 R)
• M10: 5,150,206 km (0.097 R)
• M11: 5,597,504 km (0.064 R)
• M12: 6,273,088 km (0.1 R)
• M13: 6,846,047 km (0.118 R)
• M14: 7,290,353 km (0.119 R)
• M15: 7,753,957 km (0.117 R)
• M16: 9,074,906 km (0.118 R)
• M17: 11,308,402 km (0.071 R)
• M18: 12,297,095 km (0.1 R)
• M19: 14,190,106 km (0.1 R)
• M20: 15,773,300 km (0.033 R)
• M21: 18,425,072 km (0.109 R)
• M22: 19,476,446 km (0.089 R)
• M23: 22,870,522 km (0.107 R)
• M24: 23,365,243 km (0.111 R)
• M25: 24,522,981 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.1

Radius: 10.7

Gravity: 8.47 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 5.52 AU - 5.76 AU

Year: 5101 Days

Day: 13.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 85,289,709 km

• M1: 133,142 km (0.112 R)
• M2: 517,758 km (0.068 R)
• M3: 976,575 km (0.052 R)
• M4: 1,454,839 km (0.058 R)
• M5: 2,116,959 km (0.087 R)
• M6: 2,457,893 km (0.105 R)
• M7: 2,873,625 km (0.066 R)
• M8: 4,110,949 km (0.1 R)
• M9: 4,781,298 km (0.074 R)
• M10: 6,080,106 km (0.117 R)
• M11: 7,091,837 km (0.1 R)
• M12: 7,940,805 km (0.073 R)
• M13: 8,897,483 km (0.064 R)
• M14: 9,929,259 km (0.119 R)
• M15: 11,086,997 km (0.106 R)
• M16: 13,339,792 km (0.111 R)
• M17: 16,128,146 km (0.067 R)
• M18: 20,204,389 km (0.088 R)
• M19: 20,566,266 km (0.088 R)
• M20: 22,751,143 km (0.103 R)
• M21: 23,539,075 km (0.096 R)
• M22: 26,787,144 km (0.045 R)
• M23: 32,448,377 km (0.086 R)
• M24: 33,953,481 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.6

Radius: 9.7

Gravity: 9.7 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 5.58 AU - 7.7 AU

Year: 6516 Days

Day: 8.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 85,289,709 km

• M1: 143,165 km (0.094 R)
• M2: 1,035,516 km (0.082 R)
• M3: 1,606,382 km (0.097 R)
• M4: 2,238,134 km (0.086 R)
• M5: 2,687,975 km (0.101 R)
• M6: 3,843,169 km (0.094 R)
• M7: 4,769,928 km (0.045 R)
• M8: 5,332,117 km (0.11 R)
• M9: 6,206,217 km (0.068 R)
• M10: 8,154,730 km (0.085 R)
• M11: 9,223,606 km (0.111 R)
• M12: 12,220,650 km (0.089 R)
• M13: 14,748,405 km (0.112 R)
• M14: 15,557,431 km (0.066 R)
• M15: 18,022,055 km (0.118 R)
• M16: 20,812,953 km (0.102 R)
• M17: 21,671,795 km (0.026 R)
• M18: 24,820,980 km (0.092 R)
• M19: 28,642,756 km (0.113 R)
• M20: 29,026,026 km (0.112 R)
• M21: 29,607,363 km (0.074 R)
• M22: 31,195,644 km (0.105 R)
• M23: 34,110,259 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.6

Radius: 9.2

Gravity: 10.52 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 8.21 AU - 10.79 AU

Year: 11150 Days

Day: 9.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 85,289,709 km

• M1: 120,576 km (0.1 R)
• M2: 634,295 km (0.116 R)
• M3: 1,023,549 km (0.111 R)
• M4: 1,359,994 km (0.094 R)
• M5: 1,691,653 km (0.11 R)
• M6: 2,340,459 km (0.098 R)
• M7: 3,243,731 km (0.081 R)
• M8: 3,816,242 km (0.116 R)
• M9: 4,214,471 km (0.059 R)
• M10: 4,767,385 km (0.087 R)
• M11: 5,905,825 km (0.111 R)
• M12: 7,089,892 km (0.103 R)
• M13: 8,711,084 km (0.071 R)
• M14: 10,079,456 km (0.093 R)
• M15: 15,818,030 km (0.101 R)
• M16: 16,698,414 km (0.088 R)
• M17: 19,370,231 km (0.043 R)
• M18: 20,548,764 km (0.08 R)
• M19: 23,893,024 km (0.055 R)
• M20: 27,688,322 km (0.083 R)
• M21: 28,322,168 km (0.086 R)
• M22: 29,182,356 km (0.101 R)
• M23: 30,170,749 km (0.058 R)
• M24: 31,408,821 km (0.114 R)
• M25: 32,680,552 km (0.07 R)
• M26: 33,866,116 km (0.084 R)
• M27: 36,197,150 km (0.085 R)
• M28: 37,852,450 km (0.068 R)
• M29: 38,502,453 km (0.101 R)
• M30: 42,698,972 km (0.119 R)
• M31: 43,403,279 km (0.115 R)
• M32: 50,094,044 km (0.057 R)
• M33: 51,351,264 km (0.098 R)
• M34: 55,582,790 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 748.9

Radius: 5.3

Gravity: 26.66 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 12.91 AU - 17.61 AU

Year: 22700 Days

Day: 22.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 85,289,709 km

• M1: 66,122 km (0.111 R)
• M2: 299,794 km (0.051 R)
• M3: 530,474 km (0.105 R)
• M4: 800,199 km (0.115 R)
• M5: 1,171,950 km (0.106 R)
• M6: 1,688,062 km (0.069 R)
• M7: 2,059,663 km (0.072 R)
• M8: 2,413,313 km (0.051 R)
• M9: 3,596,034 km (0.096 R)
• M10: 4,108,706 km (0.108 R)
• M11: 5,561,301 km (0.047 R)
• M12: 6,069,485 km (0.111 R)
• M13: 7,375,175 km (0.073 R)
• M14: 8,415,479 km (0.119 R)
• M15: 9,609,270 km (0.046 R)
• M16: 10,911,818 km (0.075 R)
• M17: 12,970,435 km (0.115 R)
• M18: 15,032,641 km (0.107 R)
• M19: 16,015,499 km (0.073 R)
• M20: 16,780,244 km (0.117 R)
• M21: 18,017,867 km (0.112 R)
• M22: 20,673,379 km (0.05 R)
• M23: 22,828,336 km (0.091 R)
• M24: 24,790,761 km (0.114 R)
• M25: 26,043,942 km (0.09 R)
• M26: 27,941,142 km (0.114 R)
• M27: 29,801,691 km (0.085 R)
• M28: 35,305,397 km (0.047 R)
• M29: 37,773,313 km (0.109 R)
• M30: 44,028,598 km (0.026 R)
• M31: 57,945,838 km (0.082 R)
• M32: 67,735,522 km (0.074 R)
• M33: 76,175,535 km (0.062 R)
• M34: 76,889,117 km (0.095 R)
• M35: 81,016,821 km (0.087 R)
• M36: 84,779,357 km (0.055 R)
• M37: 85,034,272 km (0.047 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 349 - 16,467 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit