🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.5 AU - 0.54 AU

Year: 246 Days

Day: 28.4 Hours

Environment

Temp: -116 °C

Axial Tilt: 35.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 37,957,764 km

• M1: 294,558 km (0.102 R)
• M2: 358,137 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.6

Radius: 8.8

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.61 AU - 0.77 AU

Year: 376 Days

Day: 9.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,957,764 km

• M1: 109,506 km (0.071 R)
• M2: 488,138 km (0.095 R)
• M3: 850,015 km (0.104 R)
• M4: 1,162,076 km (0.114 R)
• M5: 1,481,617 km (0.097 R)
• M6: 1,949,410 km (0.057 R)
• M7: 2,268,801 km (0.103 R)
• M8: 2,595,224 km (0.088 R)
• M9: 3,096,975 km (0.076 R)
• M10: 3,387,943 km (0.07 R)
• M11: 4,386,210 km (0.084 R)
• M12: 4,796,856 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.5

Radius: 9.4

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.63 AU - 2.01 AU

Year: 1611 Days

Day: 8.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,957,764 km

• M1: 116,836 km (0.116 R)
• M2: 423,362 km (0.079 R)
• M3: 998,416 km (0.07 R)
• M4: 1,698,983 km (0.119 R)
• M5: 2,023,162 km (0.05 R)
• M6: 2,315,925 km (0.089 R)
• M7: 3,075,732 km (0.114 R)
• M8: 3,586,459 km (0.11 R)
• M9: 3,992,767 km (0.092 R)
• M10: 4,733,426 km (0.054 R)
• M11: 5,497,123 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.4

Radius: 11.6

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.61 AU - 2.19 AU

Year: 1718 Days

Day: 7.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 37,957,764 km

• M1: 144,362 km (0.093 R)
• M2: 527,482 km (0.087 R)
• M3: 1,212,790 km (0.077 R)
• M4: 1,754,185 km (0.107 R)
• M5: 2,580,114 km (0.093 R)
• M6: 3,340,820 km (0.066 R)
• M7: 3,732,317 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.6

Radius: 11

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.74 AU - 3.72 AU

Year: 3808 Days

Day: 10.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,957,764 km

• M1: 136,882 km (0.073 R)
• M2: 503,546 km (0.084 R)
• M3: 1,039,256 km (0.085 R)
• M4: 1,547,141 km (0.047 R)
• M5: 1,899,444 km (0.117 R)
• M6: 3,635,677 km (0.074 R)
• M7: 4,973,232 km (0.028 R)
• M8: 5,394,350 km (0.09 R)
• M9: 7,223,483 km (0.066 R)
• M10: 8,891,050 km (0.108 R)
• M11: 10,458,537 km (0.103 R)
• M12: 12,391,940 km (0.05 R)
• M13: 13,070,067 km (0.062 R)
• M14: 14,553,030 km (0.102 R)
• M15: 17,072,109 km (0.119 R)
• M16: 17,669,005 km (0.115 R)
• M17: 21,894,396 km (0.107 R)
• M18: 22,742,018 km (0.116 R)
• M19: 24,804,673 km (0.119 R)
• M20: 25,959,569 km (0.086 R)
• M21: 26,352,413 km (0.025 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509

Radius: 9.3

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.14 AU - 4.32 AU

Year: 4726 Days

Day: 11.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,957,764 km

• M1: 116,686 km (0.083 R)
• M2: 451,636 km (0.111 R)
• M3: 838,047 km (0.104 R)
• M4: 1,683,275 km (0.107 R)
• M5: 2,505,465 km (0.076 R)
• M6: 2,873,326 km (0.111 R)
• M7: 3,182,096 km (0.116 R)
• M8: 4,820,492 km (0.119 R)
• M9: 6,548,946 km (0.118 R)
• M10: 6,958,246 km (0.096 R)
• M11: 8,289,068 km (0.071 R)
• M12: 10,026,947 km (0.086 R)
• M13: 14,734,493 km (0.098 R)
• M14: 17,384,769 km (0.074 R)
• M15: 17,926,313 km (0.042 R)
• M16: 18,853,820 km (0.105 R)
• M17: 20,139,763 km (0.1 R)
• M18: 23,755,543 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.5

Radius: 8.2

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.88 AU - 4.72 AU

Year: 4859 Days

Day: 8.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 37,957,764 km

• M1: 102,026 km (0.12 R)
• M2: 413,040 km (0.112 R)
• M3: 910,602 km (0.116 R)
• M4: 1,361,191 km (0.102 R)
• M5: 1,718,431 km (0.115 R)
• M6: 1,995,486 km (0.061 R)
• M7: 2,271,793 km (0.083 R)
• M8: 2,938,701 km (0.094 R)
• M9: 3,397,966 km (0.112 R)
• M10: 3,926,346 km (0.106 R)
• M11: 4,681,366 km (0.1 R)
• M12: 6,539,372 km (0.091 R)
• M13: 7,121,307 km (0.048 R)
• M14: 7,390,733 km (0.06 R)
• M15: 7,878,871 km (0.111 R)
• M16: 8,842,281 km (0.057 R)
• M17: 9,635,150 km (0.107 R)
• M18: 10,648,227 km (0.1 R)
• M19: 11,271,003 km (0.116 R)
• M20: 12,154,827 km (0.108 R)
• M21: 13,387,214 km (0.112 R)
• M22: 14,218,380 km (0.101 R)
• M23: 15,472,908 km (0.096 R)
• M24: 15,811,897 km (0.115 R)
• M25: 16,504,983 km (0.117 R)
• M26: 17,037,851 km (0.045 R)
• M27: 20,547,118 km (0.061 R)
• M28: 22,578,507 km (0.037 R)
• M29: 27,281,565 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.9

Radius: 11.6

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 4.11 AU - 4.87 AU

Year: 6241 Days

Day: 15 Hours

Environment

Temp: -221 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,957,764 km

• M1: 144,212 km (0.115 R)
• M2: 996,322 km (0.11 R)
• M3: 2,313,830 km (0.069 R)
• M4: 4,541,193 km (0.104 R)
• M5: 5,907,620 km (0.092 R)
• M6: 7,662,702 km (0.115 R)
• M7: 8,202,750 km (0.051 R)
• M8: 10,580,160 km (0.118 R)
• M9: 20,800,537 km (0.074 R)
• M10: 22,460,325 km (0.072 R)

Asteroid Belt

Center: 7.14 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 84.5

Radius: 6.6

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 8.37 AU - 11.19 AU

Year: 20064 Days

Day: 17.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,957,764 km

• M1: 82,129 km (0.111 R)
• M2: 408,402 km (0.106 R)
• M3: 786,885 km (0.102 R)
• M4: 1,849,179 km (0.095 R)
• M5: 2,260,424 km (0.118 R)
• M6: 6,769,304 km (0.092 R)
• M7: 7,664,797 km (0.104 R)
• M8: 8,386,606 km (0.073 R)
• M9: 8,679,070 km (0.096 R)
• M10: 9,196,529 km (0.065 R)
• M11: 14,456,091 km (0.115 R)
• M12: 18,194,691 km (0.099 R)
• M13: 22,451,050 km (0.075 R)
• M14: 30,253,776 km (0.114 R)
• M15: 33,487,483 km (0.091 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 495 - 16,901 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit