🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.5

Radius: 9.5

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.28 AU - 1.28 AU

Year: 921 Days

Day: 7 Hours

Environment

Temp: -169 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,452,018 km

• M1: 118,182 km (0.08 R)
• M2: 580,889 km (0.114 R)
• M3: 973,583 km (0.1 R)
• M4: 2,038,121 km (0.109 R)
• M5: 2,716,249 km (0.107 R)
• M6: 3,026,963 km (0.096 R)
• M7: 3,708,082 km (0.106 R)
• M8: 4,092,100 km (0.088 R)
• M9: 4,530,721 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.5

Radius: 11.2

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.26 AU - 3.32 AU

Year: 3794 Days

Day: 11.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,452,018 km

• M1: 139,425 km (0.086 R)
• M2: 600,935 km (0.099 R)
• M3: 1,230,293 km (0.12 R)
• M4: 1,615,507 km (0.077 R)
• M5: 1,973,794 km (0.097 R)
• M6: 2,416,305 km (0.101 R)
• M7: 2,977,746 km (0.094 R)
• M8: 3,366,850 km (0.045 R)
• M9: 4,340,133 km (0.069 R)
• M10: 5,199,124 km (0.08 R)
• M11: 5,936,492 km (0.118 R)
• M12: 6,962,734 km (0.114 R)
• M13: 7,451,470 km (0.05 R)
• M14: 8,497,907 km (0.093 R)
• M15: 8,867,713 km (0.076 R)
• M16: 9,920,284 km (0.089 R)
• M17: 10,330,631 km (0.09 R)
• M18: 11,273,396 km (0.1 R)
• M19: 11,630,187 km (0.026 R)
• M20: 13,133,347 km (0.101 R)
• M21: 13,628,665 km (0.111 R)
• M22: 14,499,175 km (0.116 R)
• M23: 20,453,320 km (0.088 R)
• M24: 23,204,126 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.5

Radius: 12.5

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.99 AU - 3.93 AU

Year: 4092 Days

Day: 11.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,452,018 km

• M1: 155,432 km (0.119 R)
• M2: 553,213 km (0.12 R)
• M3: 1,068,727 km (0.114 R)
• M4: 1,871,619 km (0.103 R)
• M5: 2,315,775 km (0.088 R)
• M6: 3,421,453 km (0.039 R)
• M7: 3,978,705 km (0.059 R)
• M8: 5,027,536 km (0.09 R)
• M9: 5,750,243 km (0.04 R)
• M10: 6,461,431 km (0.118 R)
• M11: 7,202,090 km (0.07 R)
• M12: 9,285,540 km (0.1 R)
• M13: 9,943,172 km (0.071 R)
• M14: 10,631,621 km (0.112 R)
• M15: 12,348,407 km (0.108 R)
• M16: 13,101,632 km (0.056 R)
• M17: 14,108,276 km (0.079 R)
• M18: 14,607,634 km (0.087 R)
• M19: 15,786,465 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.3

Radius: 13.4

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 4.61 AU - 6.43 AU

Year: 8246 Days

Day: 6 Hours

Environment

Temp: -216 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,452,018 km

• M1: 166,802 km (0.07 R)
• M2: 663,467 km (0.109 R)
• M3: 1,097,600 km (0.086 R)
• M4: 2,160,044 km (0.075 R)
• M5: 3,126,296 km (0.12 R)
• M6: 3,571,799 km (0.097 R)
• M7: 4,419,570 km (0.093 R)
• M8: 4,953,185 km (0.112 R)
• M9: 5,596,307 km (0.042 R)
• M10: 7,168,730 km (0.073 R)
• M11: 8,473,223 km (0.058 R)
• M12: 10,029,939 km (0.115 R)
• M13: 11,115,421 km (0.119 R)
• M14: 14,265,653 km (0.066 R)
• M15: 20,604,115 km (0.055 R)
• M16: 27,802,914 km (0.106 R)
• M17: 29,834,303 km (0.076 R)
• M18: 34,533,472 km (0.069 R)
• M19: 37,602,322 km (0.111 R)
• M20: 43,872,268 km (0.081 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 320.5

Radius: 7

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 7.04 AU - 8.06 AU

Year: 13190 Days

Day: 16.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,452,018 km

• M1: 88,712 km (0.077 R)
• M2: 569,220 km (0.081 R)
• M3: 1,016,069 km (0.119 R)
• M4: 2,018,674 km (0.032 R)
• M5: 2,777,733 km (0.085 R)
• M6: 3,564,768 km (0.101 R)
• M7: 4,578,293 km (0.119 R)
• M8: 5,278,262 km (0.106 R)
• M9: 7,317,879 km (0.079 R)
• M10: 8,938,323 km (0.061 R)
• M11: 9,214,481 km (0.063 R)
• M12: 12,129,096 km (0.112 R)
• M13: 13,105,073 km (0.077 R)
• M14: 14,070,428 km (0.114 R)
• M15: 16,690,186 km (0.11 R)
• M16: 18,482,967 km (0.083 R)
• M17: 19,234,696 km (0.103 R)
• M18: 20,163,549 km (0.084 R)
• M19: 20,639,121 km (0.113 R)
• M20: 32,759,241 km (0.08 R)
• M21: 38,627,217 km (0.063 R)
• M22: 40,103,150 km (0.076 R)
• M23: 42,516,164 km (0.112 R)
• M24: 44,488,163 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 647.1

Radius: 4.2

Gravity: 36.68 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 8.3 AU - 10.88 AU

Year: 18883 Days

Day: 23.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,452,018 km

• M1: 52,210 km (0.058 R)
• M2: 357,539 km (0.073 R)
• M3: 914,492 km (0.088 R)
• M4: 1,215,034 km (0.108 R)
• M5: 1,529,189 km (0.119 R)
• M6: 2,010,296 km (0.092 R)
• M7: 2,849,391 km (0.064 R)
• M8: 3,930,086 km (0.11 R)
• M9: 4,213,723 km (0.118 R)
• M10: 4,681,965 km (0.086 R)
• M11: 5,000,758 km (0.111 R)
• M12: 9,354,056 km (0.081 R)
• M13: 13,773,177 km (0.087 R)
• M14: 14,206,562 km (0.081 R)
• M15: 16,998,956 km (0.101 R)
• M16: 17,497,266 km (0.074 R)
• M17: 22,133,753 km (0.06 R)
• M18: 23,536,532 km (0.036 R)
• M19: 24,259,539 km (0.056 R)
• M20: 26,406,867 km (0.072 R)
• M21: 35,183,774 km (0.03 R)
• M22: 35,856,814 km (0.096 R)
• M23: 46,521,647 km (0.094 R)
• M24: 63,377,138 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 480.6

Radius: 3

Gravity: 53.4 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 9.86 AU - 12.16 AU

Year: 23228 Days

Day: 18.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 76,452,018 km

• M1: 37,549 km (0.059 R)
• M2: 242,199 km (0.087 R)
• M3: 437,424 km (0.107 R)
• M4: 800,199 km (0.119 R)
• M5: 1,676,394 km (0.047 R)
• M6: 1,896,303 km (0.045 R)
• M7: 2,114,416 km (0.099 R)
• M8: 2,348,836 km (0.05 R)
• M9: 2,506,961 km (0.075 R)
• M10: 2,624,246 km (0.115 R)
• M11: 6,015,330 km (0.094 R)
• M12: 7,496,200 km (0.086 R)
• M13: 7,888,745 km (0.114 R)
• M14: 9,148,359 km (0.059 R)
• M15: 9,825,738 km (0.077 R)
• M16: 11,343,259 km (0.118 R)
• M17: 11,471,015 km (0.075 R)
• M18: 13,009,928 km (0.113 R)
• M19: 15,924,544 km (0.066 R)
• M20: 16,246,030 km (0.084 R)
• M21: 17,236,367 km (0.048 R)
• M22: 24,036,488 km (0.114 R)
• M23: 28,139,210 km (0.068 R)
• M24: 30,049,126 km (0.076 R)
• M25: 42,269,178 km (0.117 R)
• M26: 51,093,806 km (0.111 R)
• M27: 56,861,851 km (0.116 R)
• M28: 63,248,933 km (0.067 R)
• M29: 65,274,787 km (0.083 R)
• M30: 71,393,639 km (0.118 R)
• M31: 74,703,492 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 492

Radius: 6.7

Gravity: 10.96 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 11.17 AU - 11.19 AU

Year: 23768 Days

Day: 21.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 76,452,018 km

• M1: 85,121 km (0.113 R)
• M2: 335,997 km (0.054 R)
• M3: 712,834 km (0.119 R)
• M4: 1,024,745 km (0.118 R)
• M5: 1,620,145 km (0.113 R)
• M6: 1,945,820 km (0.096 R)
• M7: 2,562,312 km (0.068 R)
• M8: 2,903,246 km (0.112 R)
• M9: 3,706,138 km (0.117 R)
• M10: 4,046,473 km (0.046 R)
• M11: 4,273,862 km (0.054 R)
• M12: 5,945,767 km (0.083 R)
• M13: 13,566,881 km (0.066 R)
• M14: 15,372,528 km (0.115 R)
• M15: 16,332,796 km (0.098 R)
• M16: 17,163,065 km (0.108 R)
• M17: 18,638,698 km (0.051 R)
• M18: 20,863,069 km (0.1 R)
• M19: 21,939,425 km (0.057 R)
• M20: 25,499,855 km (0.115 R)
• M21: 26,277,764 km (0.068 R)
• M22: 29,306,372 km (0.079 R)
• M23: 29,548,571 km (0.108 R)
• M24: 39,037,714 km (0.081 R)
• M25: 45,509,168 km (0.077 R)
• M26: 45,997,007 km (0.078 R)
• M27: 50,894,392 km (0.049 R)
• M28: 54,284,579 km (0.086 R)
• M29: 56,314,622 km (0.118 R)
• M30: 57,065,305 km (0.11 R)
• M31: 58,778,350 km (0.112 R)
• M32: 66,182,248 km (0.105 R)
• M33: 66,808,464 km (0.094 R)
• M34: 69,567,647 km (0.107 R)
• M35: 72,401,929 km (0.082 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 251 - 18,622 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit