🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.7

Radius: 9.8

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.73 AU - 1.09 AU

Year: 569 Days

Day: 10.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,106,581 km

• M1: 122,969 km (0.047 R)
• M2: 510,578 km (0.101 R)
• M3: 947,254 km (0.072 R)
• M4: 1,827,936 km (0.11 R)
• M5: 2,358,560 km (0.114 R)
• M6: 2,816,030 km (0.084 R)
• M7: 3,256,297 km (0.077 R)
• M8: 4,260,547 km (0.098 R)
• M9: 4,584,726 km (0.12 R)
• M10: 5,230,839 km (0.048 R)
• M11: 5,603,188 km (0.088 R)
• M12: 6,031,337 km (0.084 R)
• M13: 6,341,903 km (0.049 R)
• M14: 6,911,422 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.3

Radius: 12

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.94 AU - 1 AU

Year: 627 Days

Day: 13.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,106,581 km

• M1: 149,299 km (0.084 R)
• M2: 556,055 km (0.071 R)
• M3: 1,139,936 km (0.069 R)
• M4: 1,730,249 km (0.054 R)
• M5: 2,106,637 km (0.072 R)
• M6: 2,652,819 km (0.066 R)
• M7: 3,182,844 km (0.069 R)
• M8: 3,675,470 km (0.053 R)
• M9: 4,248,131 km (0.116 R)
• M10: 6,008,748 km (0.092 R)
• M11: 6,389,026 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.6

Radius: 8

Gravity: 14.1 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.76 AU - 1.2 AU

Year: 636 Days

Day: 13.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,106,581 km

• M1: 99,483 km (0.084 R)
• M2: 368,160 km (0.114 R)
• M3: 645,216 km (0.071 R)
• M4: 937,081 km (0.112 R)
• M5: 1,331,720 km (0.115 R)
• M6: 1,748,051 km (0.106 R)
• M7: 2,393,566 km (0.095 R)
• M8: 2,926,434 km (0.069 R)
• M9: 3,214,709 km (0.089 R)
• M10: 3,549,658 km (0.092 R)
• M11: 3,848,854 km (0.026 R)
• M12: 5,644,477 km (0.089 R)
• M13: 6,481,926 km (0.062 R)
• M14: 6,996,244 km (0.06 R)
• M15: 7,842,220 km (0.106 R)
• M16: 8,327,066 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.3

Radius: 12.9

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.32 AU - 2.18 AU

Year: 1519 Days

Day: 14.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,106,581 km

• M1: 160,668 km (0.112 R)
• M2: 640,428 km (0.067 R)
• M3: 1,226,553 km (0.059 R)
• M4: 1,751,791 km (0.065 R)
• M5: 2,355,119 km (0.115 R)
• M6: 2,872,279 km (0.085 R)
• M7: 4,279,546 km (0.042 R)
• M8: 5,116,247 km (0.116 R)
• M9: 6,742,077 km (0.049 R)
• M10: 8,953,133 km (0.099 R)
• M11: 10,062,551 km (0.119 R)
• M12: 10,485,016 km (0.079 R)
• M13: 11,123,798 km (0.064 R)
• M14: 12,039,786 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.7

Radius: 12.5

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.89 AU - 4.31 AU

Year: 4481 Days

Day: 8.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,106,581 km

• M1: 161,865 km (0.11 R)
• M2: 693,087 km (0.107 R)
• M3: 1,093,112 km (0.115 R)
• M4: 2,262,967 km (0.05 R)
• M5: 4,335,945 km (0.078 R)
• M6: 5,595,708 km (0.114 R)
• M7: 6,082,649 km (0.058 R)
• M8: 6,975,599 km (0.068 R)
• M9: 11,249,760 km (0.109 R)
• M10: 14,175,595 km (0.087 R)
• M11: 15,037,428 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.2

Radius: 11.9

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 4.02 AU - 4.26 AU

Year: 5526 Days

Day: 9.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,106,581 km

• M1: 170,542 km (0.078 R)
• M2: 703,110 km (0.073 R)
• M3: 1,156,092 km (0.104 R)
• M4: 1,532,181 km (0.095 R)
• M5: 2,856,422 km (0.032 R)
• M6: 4,833,657 km (0.058 R)
• M7: 5,260,160 km (0.094 R)
• M8: 9,726,854 km (0.116 R)
• M9: 13,190,343 km (0.074 R)
• M10: 14,314,123 km (0.093 R)
• M11: 15,197,947 km (0.07 R)
• M12: 16,117,974 km (0.068 R)
• M13: 17,009,727 km (0.118 R)
• M14: 17,401,823 km (0.066 R)
• M15: 21,434,233 km (0.103 R)
• M16: 22,123,281 km (0.077 R)
• M17: 22,827,139 km (0.083 R)
• M18: 24,444,591 km (0.062 R)
• M19: 29,660,171 km (0.058 R)
• M20: 33,692,732 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 697.1

Radius: 3.7

Gravity: 50.92 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 6.24 AU - 8.64 AU

Year: 13313 Days

Day: 24.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 53,106,581 km

• M1: 49,816 km (0.107 R)
• M2: 171,140 km (0.097 R)
• M3: 526,585 km (0.113 R)
• M4: 666,758 km (0.103 R)
• M5: 783,444 km (0.096 R)
• M6: 1,651,860 km (0.113 R)
• M7: 1,850,974 km (0.036 R)
• M8: 1,992,494 km (0.05 R)
• M9: 2,218,237 km (0.111 R)
• M10: 2,567,099 km (0.036 R)
• M11: 3,639,118 km (0.066 R)
• M12: 4,553,161 km (0.111 R)
• M13: 4,978,468 km (0.101 R)
• M14: 5,537,664 km (0.118 R)
• M15: 5,983,765 km (0.115 R)
• M16: 6,176,597 km (0.076 R)
• M17: 6,373,468 km (0.117 R)
• M18: 7,074,334 km (0.111 R)
• M19: 7,554,393 km (0.088 R)
• M20: 9,798,810 km (0.095 R)
• M21: 11,187,378 km (0.108 R)
• M22: 11,777,840 km (0.102 R)
• M23: 14,485,412 km (0.057 R)
• M24: 16,731,026 km (0.1 R)
• M25: 17,036,804 km (0.063 R)
• M26: 17,817,256 km (0.101 R)
• M27: 17,976,129 km (0.102 R)
• M28: 19,533,293 km (0.113 R)
• M29: 22,355,008 km (0.1 R)
• M30: 22,819,210 km (0.089 R)
• M31: 26,352,114 km (0.085 R)
• M32: 28,355,977 km (0.07 R)
• M33: 37,517,800 km (0.094 R)
• M34: 37,778,848 km (0.106 R)
• M35: 41,982,847 km (0.091 R)
• M36: 47,853,816 km (0.099 R)
• M37: 52,111,521 km (0.045 R)
• M38: 53,750,365 km (0.118 R)
• M39: 56,443,576 km (0.055 R)
• M40: 58,346,461 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 276.2

Radius: 6.1

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 7.77 AU - 10.67 AU

Year: 18366 Days

Day: 16.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 53,106,581 km

• M1: 76,744 km (0.09 R)
• M2: 297,101 km (0.072 R)
• M3: 632,799 km (0.074 R)
• M4: 934,687 km (0.063 R)
• M5: 1,396,197 km (0.096 R)
• M6: 1,655,749 km (0.059 R)
• M7: 2,087,489 km (0.041 R)
• M8: 2,369,032 km (0.068 R)
• M9: 2,894,868 km (0.118 R)
• M10: 3,125,848 km (0.109 R)
• M11: 4,471,181 km (0.067 R)
• M12: 5,723,465 km (0.057 R)
• M13: 5,977,333 km (0.082 R)
• M14: 7,926,294 km (0.112 R)
• M15: 8,566,273 km (0.101 R)
• M16: 9,388,912 km (0.106 R)
• M17: 11,302,867 km (0.047 R)
• M18: 12,411,238 km (0.112 R)
• M19: 12,653,437 km (0.113 R)
• M20: 13,272,921 km (0.103 R)
• M21: 13,654,246 km (0.111 R)
• M22: 14,572,329 km (0.071 R)
• M23: 14,909,971 km (0.039 R)
• M24: 15,183,735 km (0.068 R)
• M25: 16,603,718 km (0.087 R)
• M26: 20,536,646 km (0.11 R)
• M27: 22,180,727 km (0.046 R)
• M28: 24,380,563 km (0.117 R)
• M29: 26,621,240 km (0.068 R)
• M30: 27,946,528 km (0.073 R)
• M31: 28,678,211 km (0.034 R)
• M32: 33,571,557 km (0.047 R)
• M33: 41,101,566 km (0.112 R)
• M34: 41,640,119 km (0.099 R)
• M35: 45,975,166 km (0.113 R)
• M36: 48,027,948 km (0.081 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 317 - 13,413 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit