🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.9

Radius: 9.4

Gravity: 11.04 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.65 AU - 1.09 AU

Year: 532 Days

Day: 10.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,460,670 km

• M1: 116,836 km (0.045 R)
• M2: 529,277 km (0.092 R)
• M3: 882,328 km (0.092 R)
• M4: 1,360,443 km (0.09 R)
• M5: 1,707,959 km (0.095 R)
• M6: 2,077,765 km (0.073 R)
• M7: 2,596,570 km (0.091 R)
• M8: 3,224,582 km (0.112 R)
• M9: 3,993,814 km (0.095 R)
• M10: 4,476,567 km (0.101 R)
• M11: 5,893,109 km (0.119 R)
• M12: 6,724,723 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.7

Radius: 12.5

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.03 AU - 1.19 AU

Year: 767 Days

Day: 13.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,460,670 km

• M1: 156,031 km (0.11 R)
• M2: 607,367 km (0.093 R)
• M3: 1,022,501 km (0.09 R)
• M4: 1,497,175 km (0.087 R)
• M5: 2,755,742 km (0.073 R)
• M6: 3,261,234 km (0.083 R)
• M7: 3,872,490 km (0.068 R)
• M8: 4,444,553 km (0.097 R)
• M9: 5,001,954 km (0.065 R)
• M10: 5,473,487 km (0.099 R)
• M11: 6,094,767 km (0.092 R)
• M12: 6,871,329 km (0.063 R)
• M13: 7,317,879 km (0.092 R)
• M14: 8,170,886 km (0.107 R)
• M15: 8,570,761 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864

Radius: 9.2

Gravity: 10.21 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.15 AU - 1.71 AU

Year: 1122 Days

Day: 5.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,460,670 km

• M1: 114,442 km (0.098 R)
• M2: 516,561 km (0.07 R)
• M3: 822,190 km (0.108 R)
• M4: 1,151,754 km (0.117 R)
• M5: 1,801,757 km (0.114 R)
• M6: 2,743,625 km (0.082 R)
• M7: 3,041,474 km (0.071 R)
• M8: 4,051,110 km (0.117 R)
• M9: 4,586,521 km (0.051 R)
• M10: 5,108,019 km (0.116 R)
• M11: 5,820,404 km (0.087 R)
• M12: 6,177,794 km (0.097 R)
• M13: 6,789,948 km (0.074 R)
• M14: 7,519,836 km (0.11 R)
• M15: 8,783,789 km (0.1 R)
• M16: 9,105,873 km (0.114 R)
• M17: 9,742,861 km (0.067 R)
• M18: 10,803,360 km (0.054 R)
• M19: 11,378,863 km (0.057 R)
• M20: 11,797,438 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.1

Radius: 10.3

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.22 AU - 1.72 AU

Year: 1169 Days

Day: 13.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 171.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,460,670 km

• M1: 128,056 km (0.073 R)
• M2: 653,743 km (0.08 R)
• M3: 1,178,382 km (0.116 R)
• M4: 1,612,665 km (0.116 R)
• M5: 2,286,454 km (0.072 R)
• M6: 2,617,664 km (0.051 R)
• M7: 3,022,625 km (0.062 R)
• M8: 3,378,668 km (0.096 R)
• M9: 4,360,329 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.2

Radius: 13.7

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.98 AU - 2.26 AU

Year: 2025 Days

Day: 13.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,460,670 km

• M1: 173,534 km (0.112 R)
• M2: 711,338 km (0.03 R)
• M3: 1,452,595 km (0.111 R)
• M4: 3,157,113 km (0.046 R)
• M5: 5,411,105 km (0.105 R)
• M6: 6,252,892 km (0.074 R)
• M7: 6,816,726 km (0.12 R)
• M8: 7,273,299 km (0.095 R)
• M9: 7,799,285 km (0.079 R)
• M10: 8,324,972 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.9

Radius: 14.2

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.78 AU - 2.72 AU

Year: 2214 Days

Day: 10.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,460,670 km

• M1: 176,825 km (0.12 R)
• M2: 1,675,197 km (0.056 R)
• M3: 2,210,757 km (0.097 R)
• M4: 2,718,193 km (0.087 R)
• M5: 3,303,869 km (0.067 R)
• M6: 4,389,800 km (0.079 R)
• M7: 5,447,457 km (0.114 R)
• M8: 6,539,073 km (0.106 R)
• M9: 8,992,926 km (0.052 R)
• M10: 10,480,079 km (0.1 R)
• M11: 13,384,821 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567

Radius: 11.2

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 4.09 AU - 4.73 AU

Year: 6075 Days

Day: 8.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 37,460,670 km

• M1: 139,425 km (0.078 R)
• M2: 567,126 km (0.082 R)
• M3: 1,033,422 km (0.05 R)
• M4: 1,664,127 km (0.112 R)
• M5: 2,274,636 km (0.073 R)
• M6: 2,748,861 km (0.107 R)
• M7: 3,413,075 km (0.075 R)
• M8: 4,109,304 km (0.105 R)
• M9: 4,658,926 km (0.115 R)
• M10: 5,089,170 km (0.062 R)
• M11: 5,906,124 km (0.091 R)
• M12: 7,689,331 km (0.085 R)
• M13: 8,176,720 km (0.059 R)
• M14: 8,885,515 km (0.109 R)
• M15: 12,541,238 km (0.099 R)
• M16: 14,028,092 km (0.067 R)
• M17: 14,529,992 km (0.042 R)
• M18: 15,451,964 km (0.075 R)
• M19: 17,032,765 km (0.065 R)
• M20: 17,540,201 km (0.066 R)
• M21: 18,920,241 km (0.071 R)
• M22: 23,728,765 km (0.063 R)
• M23: 24,282,128 km (0.094 R)
• M24: 25,251,073 km (0.042 R)
• M25: 27,960,590 km (0.063 R)
• M26: 28,312,295 km (0.047 R)
• M27: 31,045,747 km (0.07 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 356.8

Radius: 7.7

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 6.21 AU - 7.99 AU

Year: 12411 Days

Day: 16 Hours

Environment

Temp: -216 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,460,670 km

• M1: 97,837 km (0.098 R)
• M2: 391,049 km (0.12 R)
• M3: 636,539 km (0.083 R)
• M4: 922,869 km (0.102 R)
• M5: 1,394,252 km (0.075 R)
• M6: 4,172,733 km (0.113 R)
• M7: 5,887,873 km (0.107 R)
• M8: 6,237,334 km (0.072 R)
• M9: 11,261,728 km (0.049 R)
• M10: 13,825,087 km (0.116 R)
• M11: 28,069,497 km (0.046 R)
• M12: 30,486,101 km (0.065 R)
• M13: 32,711,519 km (0.099 R)
• M14: 38,080,288 km (0.035 R)
• M15: 42,958,375 km (0.086 R)
• M16: 44,008,103 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 66.2

Radius: 4.5

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 8.88 AU - 12.06 AU

Year: 22224 Days

Day: 18.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,460,670 km

• M1: 111,450 km (0.105 R)
• M2: 850,913 km (0.077 R)
• M3: 1,757,925 km (0.112 R)
• M4: 1,950,607 km (0.036 R)
• M5: 2,291,839 km (0.053 R)
• M6: 2,710,115 km (0.091 R)
• M7: 4,537,902 km (0.084 R)
• M8: 5,499,517 km (0.066 R)
• M9: 6,624,792 km (0.084 R)
• M10: 7,621,563 km (0.09 R)
• M11: 8,629,852 km (0.062 R)
• M12: 8,841,833 km (0.07 R)
• M13: 11,055,881 km (0.098 R)
• M14: 18,149,962 km (0.083 R)
• M15: 20,755,209 km (0.047 R)
• M16: 21,289,273 km (0.096 R)
• M17: 23,189,615 km (0.092 R)
• M18: 28,429,280 km (0.095 R)
• M19: 30,434,789 km (0.072 R)
• M20: 31,822,908 km (0.108 R)
• M21: 34,405,865 km (0.107 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 195 - 14,008 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit