🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.4

Radius: 11.1

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.82 AU - 0.88 AU

Year: 498 Days

Day: 6.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,739,682 km

• M1: 138,079 km (0.082 R)
• M2: 586,723 km (0.104 R)
• M3: 1,474,736 km (0.117 R)
• M4: 1,949,709 km (0.067 R)
• M5: 2,400,148 km (0.116 R)
• M6: 3,120,163 km (0.092 R)
• M7: 3,715,114 km (0.103 R)
• M8: 4,143,263 km (0.032 R)
• M9: 4,574,703 km (0.101 R)
• M10: 5,294,568 km (0.114 R)
• M11: 6,215,792 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.5

Radius: 8.1

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.79 AU - 0.99 AU

Year: 534 Days

Day: 13.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 134.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,739,682 km

• M1: 100,829 km (0.076 R)
• M2: 375,191 km (0.116 R)
• M3: 662,719 km (0.107 R)
• M4: 1,229,694 km (0.12 R)
• M5: 1,675,646 km (0.119 R)
• M6: 1,957,039 km (0.05 R)
• M7: 2,314,728 km (0.107 R)
• M8: 2,922,843 km (0.116 R)
• M9: 4,122,169 km (0.073 R)
• M10: 4,481,803 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.2

Radius: 12.7

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.03 AU - 3.29 AU

Year: 3572 Days

Day: 6.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,739,682 km

• M1: 157,975 km (0.116 R)
• M2: 561,740 km (0.069 R)
• M3: 966,103 km (0.07 R)
• M4: 2,437,697 km (0.067 R)
• M5: 3,091,440 km (0.117 R)
• M6: 3,552,949 km (0.107 R)
• M7: 4,332,055 km (0.061 R)
• M8: 4,820,043 km (0.109 R)
• M9: 5,907,171 km (0.097 R)
• M10: 6,509,003 km (0.113 R)
• M11: 11,100,162 km (0.102 R)
• M12: 12,540,341 km (0.091 R)
• M13: 13,305,683 km (0.032 R)
• M14: 19,148,079 km (0.101 R)
• M15: 19,800,774 km (0.1 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 665.3

Radius: 6.1

Gravity: 17.88 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 5.36 AU - 8.18 AU

Year: 11200 Days

Day: 16.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 44,739,682 km

• M1: 75,846 km (0.092 R)
• M2: 322,533 km (0.057 R)
• M3: 556,055 km (0.076 R)
• M4: 1,150,557 km (0.09 R)
• M5: 1,598,752 km (0.104 R)
• M6: 1,896,303 km (0.115 R)
• M7: 2,305,303 km (0.092 R)
• M8: 2,993,005 km (0.056 R)
• M9: 3,421,602 km (0.076 R)
• M10: 3,676,816 km (0.028 R)
• M11: 3,917,519 km (0.119 R)
• M12: 4,672,241 km (0.086 R)
• M13: 4,922,817 km (0.063 R)
• M14: 5,485,455 km (0.068 R)
• M15: 6,089,830 km (0.096 R)
• M16: 6,465,620 km (0.057 R)
• M17: 7,430,676 km (0.079 R)
• M18: 8,350,852 km (0.047 R)
• M19: 8,957,173 km (0.078 R)
• M20: 9,246,794 km (0.069 R)
• M21: 10,362,345 km (0.108 R)
• M22: 11,966,334 km (0.059 R)
• M23: 12,317,889 km (0.071 R)
• M24: 14,179,036 km (0.116 R)
• M25: 15,797,086 km (0.076 R)
• M26: 17,015,112 km (0.078 R)
• M27: 17,911,652 km (0.057 R)
• M28: 18,918,147 km (0.088 R)
• M29: 20,290,408 km (0.065 R)
• M30: 24,334,188 km (0.111 R)
• M31: 28,467,577 km (0.063 R)
• M32: 35,030,436 km (0.074 R)
• M33: 35,508,700 km (0.108 R)
• M34: 36,846,404 km (0.084 R)
• M35: 39,235,482 km (0.051 R)
• M36: 41,592,397 km (0.052 R)
• M37: 42,128,705 km (0.109 R)
• M38: 48,483,174 km (0.112 R)
• M39: 49,226,227 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 43.4

Radius: 5.8

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 7.05 AU - 7.83 AU

Year: 12903 Days

Day: 24.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,739,682 km

• M1: 103,073 km (0.047 R)
• M2: 511,625 km (0.101 R)
• M3: 1,188,106 km (0.074 R)
• M4: 1,780,813 km (0.052 R)
• M5: 2,647,733 km (0.099 R)
• M6: 3,746,828 km (0.112 R)
• M7: 5,636,848 km (0.111 R)
• M8: 14,083,742 km (0.052 R)
• M9: 15,300,122 km (0.093 R)
• M10: 15,827,006 km (0.097 R)
• M11: 20,549,212 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 369.7

Radius: 7.2

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 6.37 AU - 8.51 AU

Year: 12903 Days

Day: 21 Hours

Environment

Temp: -228 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 44,739,682 km

• M1: 89,759 km (0.117 R)
• M2: 391,348 km (0.094 R)
• M3: 785,239 km (0.089 R)
• M4: 1,135,897 km (0.113 R)
• M5: 1,968,708 km (0.112 R)
• M6: 2,642,796 km (0.1 R)
• M7: 3,044,017 km (0.09 R)
• M8: 3,318,081 km (0.092 R)
• M9: 3,837,335 km (0.084 R)
• M10: 5,163,071 km (0.078 R)
• M11: 5,388,814 km (0.116 R)
• M12: 6,322,006 km (0.04 R)
• M13: 6,807,900 km (0.098 R)
• M14: 7,238,293 km (0.113 R)
• M15: 7,896,524 km (0.059 R)
• M16: 8,593,949 km (0.113 R)
• M17: 11,091,785 km (0.113 R)
• M18: 15,520,181 km (0.04 R)
• M19: 16,542,533 km (0.114 R)
• M20: 17,392,248 km (0.101 R)
• M21: 19,255,191 km (0.08 R)
• M22: 22,677,990 km (0.117 R)
• M23: 23,110,627 km (0.103 R)
• M24: 25,357,288 km (0.089 R)
• M25: 27,159,194 km (0.12 R)
• M26: 28,340,269 km (0.056 R)
• M27: 29,657,927 km (0.087 R)
• M28: 39,048,036 km (0.096 R)
• M29: 40,805,362 km (0.113 R)
• M30: 42,352,952 km (0.119 R)
• M31: 43,805,548 km (0.114 R)
• M32: 44,882,802 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 812.4

Radius: 3.6

Gravity: 62.69 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 8.09 AU - 11.75 AU

Year: 19866 Days

Day: 23.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 44,739,682 km

• M1: 193,879 km (0.113 R)
• M2: 326,123 km (0.048 R)
• M3: 552,166 km (0.118 R)
• M4: 957,576 km (0.098 R)
• M5: 2,208,364 km (0.027 R)
• M6: 4,038,395 km (0.108 R)
• M7: 4,407,303 km (0.051 R)
• M8: 4,689,444 km (0.079 R)
• M9: 4,871,804 km (0.109 R)
• M10: 5,211,990 km (0.097 R)
• M11: 5,407,664 km (0.104 R)
• M12: 6,870,881 km (0.063 R)
• M13: 7,250,111 km (0.081 R)
• M14: 10,612,174 km (0.108 R)
• M15: 10,863,349 km (0.119 R)
• M16: 12,178,613 km (0.117 R)
• M17: 15,599,168 km (0.112 R)
• M18: 16,087,755 km (0.059 R)
• M19: 20,177,611 km (0.056 R)
• M20: 23,083,101 km (0.104 R)
• M21: 24,799,437 km (0.113 R)
• M22: 29,458,962 km (0.081 R)
• M23: 38,660,727 km (0.102 R)
• M24: 51,549,930 km (0.06 R)
• M25: 64,709,457 km (0.104 R)
• M26: 68,100,990 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 98.6

Radius: 4.1

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 10.9 AU - 11.46 AU

Year: 23768 Days

Day: 19.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,739,682 km

• M1: 53,855 km (0.03 R)
• M2: 397,930 km (0.115 R)
• M3: 3,086,054 km (0.038 R)
• M4: 3,291,452 km (0.081 R)
• M5: 4,260,547 km (0.108 R)
• M6: 4,515,313 km (0.085 R)
• M7: 13,673,096 km (0.103 R)
• M8: 15,248,212 km (0.045 R)
• M9: 23,363,298 km (0.118 R)
• M10: 28,574,839 km (0.09 R)
• M11: 29,175,325 km (0.094 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 348 - 16,600 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit