🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.96 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.74 AU - 2.08 AU

Year: 984 Days

Day: 34.6 Hours

Environment

Temp: -77 °C

Axial Tilt: 10.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.24 AU - 2.98 AU

Year: 1572 Days

Day: 17.4 Hours

Environment

Temp: -96 °C

Axial Tilt: 9.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 70,662,648 km

• M1: 132,095 km (0.046 R)
• M2: 1,184,965 km (0.106 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.92 AU - 4.02 AU

Year: 2949 Days

Day: 43.4 Hours

Environment

Temp: -121 °C

Axial Tilt: 37 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.42 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.9

Radius: 10.2

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 3.8 AU - 5.92 AU

Year: 3994 Days

Day: 5.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,662,648 km

• M1: 126,859 km (0.092 R)
• M2: 518,805 km (0.12 R)
• M3: 909,405 km (0.103 R)
• M4: 1,275,322 km (0.076 R)
• M5: 1,710,053 km (0.083 R)
• M6: 2,267,006 km (0.053 R)
• M7: 2,684,384 km (0.069 R)
• M8: 3,215,008 km (0.1 R)
• M9: 4,526,383 km (0.12 R)
• M10: 10,816,076 km (0.108 R)
• M11: 13,115,993 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.7

Radius: 11.3

Gravity: 7.81 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 6.82 AU - 7.74 AU

Year: 7322 Days

Day: 6.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 70,662,648 km

• M1: 140,472 km (0.098 R)
• M2: 553,662 km (0.073 R)
• M3: 977,772 km (0.076 R)
• M4: 1,364,183 km (0.115 R)
• M5: 1,750,145 km (0.086 R)
• M6: 2,631,127 km (0.047 R)
• M7: 4,016,553 km (0.1 R)
• M8: 5,065,982 km (0.118 R)
• M9: 6,044,203 km (0.075 R)
• M10: 7,458,651 km (0.118 R)
• M11: 7,865,108 km (0.117 R)
• M12: 8,415,628 km (0.09 R)
• M13: 11,617,023 km (0.082 R)
• M14: 12,053,549 km (0.102 R)
• M15: 13,017,408 km (0.058 R)
• M16: 14,906,530 km (0.096 R)
• M17: 15,883,404 km (0.055 R)
• M18: 18,548,790 km (0.06 R)
• M19: 20,456,910 km (0.112 R)
• M20: 21,013,863 km (0.069 R)
• M21: 22,745,608 km (0.061 R)
• M22: 24,392,531 km (0.069 R)
• M23: 24,928,840 km (0.066 R)
• M24: 26,024,943 km (0.091 R)
• M25: 30,836,310 km (0.101 R)
• M26: 38,934,342 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.6

Radius: 15

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 9.45 AU - 9.79 AU

Year: 11123 Days

Day: 11.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,662,648 km

• M1: 201,508 km (0.045 R)
• M2: 760,256 km (0.05 R)
• M3: 1,769,593 km (0.073 R)
• M4: 3,585,113 km (0.059 R)
• M5: 5,742,015 km (0.07 R)
• M6: 6,612,226 km (0.106 R)
• M7: 7,893,831 km (0.054 R)
• M8: 9,335,506 km (0.027 R)
• M9: 10,590,332 km (0.071 R)
• M10: 12,736,613 km (0.067 R)
• M11: 14,094,962 km (0.116 R)
• M12: 19,424,984 km (0.039 R)
• M13: 22,620,844 km (0.092 R)
• M14: 23,214,149 km (0.067 R)
• M15: 27,375,214 km (0.12 R)
• M16: 32,435,810 km (0.074 R)
• M17: 41,904,608 km (0.051 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 420.5

Radius: 4.6

Gravity: 19.87 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 13.17 AU - 17.15 AU

Year: 22004 Days

Day: 20 Hours

Environment

Temp: -188 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 70,662,648 km

• M1: 57,146 km (0.08 R)
• M2: 205,099 km (0.097 R)
• M3: 591,660 km (0.067 R)
• M4: 780,452 km (0.111 R)
• M5: 939,475 km (0.096 R)
• M6: 1,382,733 km (0.112 R)
• M7: 1,991,746 km (0.118 R)
• M8: 2,692,612 km (0.039 R)
• M9: 3,060,473 km (0.066 R)
• M10: 5,014,521 km (0.071 R)
• M11: 5,418,285 km (0.064 R)
• M12: 6,084,445 km (0.12 R)
• M13: 7,912,979 km (0.103 R)
• M14: 8,716,470 km (0.059 R)
• M15: 8,978,266 km (0.115 R)
• M16: 9,462,813 km (0.111 R)
• M17: 11,513,800 km (0.098 R)
• M18: 11,956,759 km (0.044 R)
• M19: 15,381,653 km (0.054 R)
• M20: 16,627,803 km (0.118 R)
• M21: 16,788,172 km (0.081 R)
• M22: 18,880,747 km (0.1 R)
• M23: 19,764,272 km (0.041 R)
• M24: 22,580,153 km (0.106 R)
• M25: 22,875,609 km (0.082 R)
• M26: 23,981,137 km (0.089 R)
• M27: 25,866,369 km (0.039 R)
• M28: 27,287,699 km (0.113 R)
• M29: 30,047,032 km (0.118 R)
• M30: 40,002,471 km (0.112 R)
• M31: 40,870,737 km (0.074 R)
• M32: 42,196,772 km (0.11 R)
• M33: 44,315,976 km (0.073 R)
• M34: 44,779,131 km (0.104 R)
• M35: 45,715,165 km (0.108 R)
• M36: 45,872,392 km (0.114 R)
• M37: 49,093,982 km (0.059 R)
• M38: 51,777,169 km (0.049 R)
• M39: 61,170,719 km (0.025 R)
• M40: 66,872,043 km (0.115 R)
• M41: 67,889,458 km (0.054 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 549.2

Radius: 7.5

Gravity: 9.76 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 12.07 AU - 18.71 AU

Year: 22507 Days

Day: 19.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 70,662,648 km

• M1: 93,349 km (0.07 R)
• M2: 400,324 km (0.044 R)
• M3: 695,181 km (0.073 R)
• M4: 1,315,564 km (0.108 R)
• M5: 2,197,144 km (0.086 R)
• M6: 2,458,043 km (0.106 R)
• M7: 2,838,171 km (0.109 R)
• M8: 3,746,828 km (0.11 R)
• M9: 4,659,076 km (0.114 R)
• M10: 5,280,954 km (0.108 R)
• M11: 7,007,314 km (0.031 R)
• M12: 9,024,641 km (0.074 R)
• M13: 10,587,341 km (0.069 R)
• M14: 11,789,659 km (0.109 R)
• M15: 15,700,895 km (0.108 R)
• M16: 16,509,471 km (0.093 R)
• M17: 16,924,007 km (0.11 R)
• M18: 20,022,628 km (0.114 R)
• M19: 21,361,529 km (0.118 R)
• M20: 22,555,769 km (0.119 R)
• M21: 22,963,423 km (0.096 R)
• M22: 24,859,576 km (0.063 R)
• M23: 26,857,755 km (0.066 R)
• M24: 37,752,668 km (0.095 R)
• M25: 55,775,921 km (0.073 R)
• M26: 59,959,874 km (0.102 R)
• M27: 61,531,848 km (0.109 R)
• M28: 66,203,790 km (0.109 R)
• M29: 67,460,412 km (0.105 R)
• M30: 74,431,523 km (0.087 R)
• M31: 76,246,444 km (0.052 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 214.3

Radius: 6.8

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 19.27 AU - 19.65 AU

Year: 32001 Days

Day: 22.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,662,648 km

• M1: 84,523 km (0.077 R)
• M2: 431,291 km (0.078 R)
• M3: 649,255 km (0.096 R)
• M4: 2,714,304 km (0.116 R)
• M5: 4,112,146 km (0.114 R)
• M6: 4,534,162 km (0.1 R)
• M7: 5,656,894 km (0.114 R)
• M8: 9,282,548 km (0.079 R)
• M9: 16,824,076 km (0.074 R)
• M10: 22,472,891 km (0.093 R)
• M11: 30,822,696 km (0.115 R)
• M12: 33,064,869 km (0.094 R)
• M13: 38,856,850 km (0.066 R)
• M14: 49,839,877 km (0.088 R)
• M15: 56,671,563 km (0.11 R)
• M16: 63,705,655 km (0.037 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 222 - 16,212 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit