🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.1

Radius: 15

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.72 AU - 0.96 AU

Year: 531 Days

Day: 8.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,388,540 km

• M1: 187,147 km (0.103 R)
• M2: 658,979 km (0.063 R)
• M3: 1,236,426 km (0.066 R)
• M4: 1,777,223 km (0.087 R)
• M5: 2,245,913 km (0.096 R)
• M6: 2,948,275 km (0.045 R)
• M7: 3,979,303 km (0.109 R)
• M8: 4,999,561 km (0.044 R)
• M9: 5,848,080 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.8

Radius: 14.9

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.72 AU - 1.12 AU

Year: 609 Days

Day: 11.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,388,540 km

• M1: 185,352 km (0.037 R)
• M2: 701,315 km (0.044 R)
• M3: 1,249,591 km (0.045 R)
• M4: 1,879,697 km (0.079 R)
• M5: 2,441,587 km (0.068 R)
• M6: 3,091,290 km (0.111 R)
• M7: 3,826,714 km (0.113 R)
• M8: 4,313,355 km (0.05 R)
• M9: 5,412,750 km (0.114 R)
• M10: 6,775,288 km (0.096 R)
• M11: 7,380,561 km (0.052 R)
• M12: 7,881,414 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.3

Radius: 12

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.3 AU - 1.92 AU

Year: 1410 Days

Day: 8.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,388,540 km

• M1: 149,598 km (0.1 R)
• M2: 558,898 km (0.043 R)
• M3: 1,072,916 km (0.111 R)
• M4: 1,710,502 km (0.1 R)
• M5: 2,112,322 km (0.078 R)
• M6: 2,663,590 km (0.113 R)
• M7: 3,042,222 km (0.116 R)
• M8: 3,974,965 km (0.114 R)
• M9: 5,031,126 km (0.083 R)
• M10: 5,531,680 km (0.115 R)
• M11: 6,356,114 km (0.116 R)
• M12: 6,774,390 km (0.086 R)
• M13: 8,691,636 km (0.102 R)
• M14: 9,178,727 km (0.052 R)
• M15: 11,112,130 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.1

Radius: 14.7

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.4 AU - 1.88 AU

Year: 1450 Days

Day: 12.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,388,540 km

• M1: 182,809 km (0.085 R)
• M2: 654,491 km (0.049 R)
• M3: 1,131,708 km (0.044 R)
• M4: 1,745,508 km (0.106 R)
• M5: 2,247,558 km (0.108 R)
• M6: 3,045,663 km (0.099 R)
• M7: 4,960,217 km (0.102 R)
• M8: 6,010,244 km (0.078 R)
• M9: 6,942,987 km (0.106 R)
• M10: 8,373,442 km (0.107 R)
• M11: 10,394,509 km (0.113 R)
• M12: 11,338,172 km (0.096 R)
• M13: 12,186,392 km (0.072 R)
• M14: 12,879,479 km (0.119 R)
• M15: 13,598,746 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.2

Radius: 11.5

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.8 AU - 2.58 AU

Year: 2237 Days

Day: 6.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,388,540 km

• M1: 151,842 km (0.111 R)
• M2: 741,257 km (0.088 R)
• M3: 1,323,642 km (0.09 R)
• M4: 2,364,843 km (0.106 R)
• M5: 3,157,113 km (0.106 R)
• M6: 4,687,350 km (0.086 R)
• M7: 5,416,789 km (0.102 R)
• M8: 5,866,630 km (0.095 R)
• M9: 8,092,946 km (0.101 R)
• M10: 11,733,111 km (0.116 R)
• M11: 13,600,840 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.2

Radius: 10

Gravity: 9.11 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 4.69 AU - 5.29 AU

Year: 7694 Days

Day: 12.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 42,388,540 km

• M1: 124,615 km (0.093 R)
• M2: 436,826 km (0.055 R)
• M3: 797,656 km (0.102 R)
• M4: 1,167,761 km (0.038 R)
• M5: 1,490,892 km (0.116 R)
• M6: 1,890,019 km (0.096 R)
• M7: 2,306,201 km (0.108 R)
• M8: 2,742,727 km (0.026 R)
• M9: 3,122,257 km (0.083 R)
• M10: 3,961,800 km (0.041 R)
• M11: 4,736,418 km (0.081 R)
• M12: 5,477,975 km (0.039 R)
• M13: 6,475,045 km (0.098 R)
• M14: 7,670,182 km (0.103 R)
• M15: 8,170,288 km (0.071 R)
• M16: 8,915,883 km (0.088 R)
• M17: 9,706,209 km (0.102 R)
• M18: 13,942,073 km (0.102 R)
• M19: 15,394,369 km (0.108 R)
• M20: 16,326,214 km (0.112 R)
• M21: 16,668,045 km (0.108 R)
• M22: 19,045,305 km (0.103 R)
• M23: 20,275,448 km (0.065 R)
• M24: 20,750,272 km (0.09 R)
• M25: 22,639,095 km (0.107 R)
• M26: 23,408,626 km (0.036 R)
• M27: 24,909,392 km (0.115 R)
• M28: 27,519,576 km (0.12 R)
• M29: 28,395,920 km (0.057 R)
• M30: 29,999,609 km (0.092 R)
• M31: 35,742,970 km (0.11 R)
• M32: 38,690,049 km (0.089 R)
• M33: 39,054,319 km (0.109 R)
• M34: 39,543,355 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 499.2

Radius: 4.9

Gravity: 20.79 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 5.65 AU - 6.03 AU

Year: 9742 Days

Day: 22.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 42,388,540 km

• M1: 60,886 km (0.07 R)
• M2: 218,562 km (0.119 R)
• M3: 556,055 km (0.091 R)
• M4: 822,190 km (0.105 R)
• M5: 1,541,008 km (0.086 R)
• M6: 1,875,808 km (0.081 R)
• M7: 2,514,291 km (0.119 R)
• M8: 2,689,471 km (0.115 R)
• M9: 2,851,934 km (0.055 R)
• M10: 3,042,671 km (0.115 R)
• M11: 3,241,935 km (0.115 R)
• M12: 3,969,729 km (0.048 R)
• M13: 4,344,322 km (0.1 R)
• M14: 4,919,825 km (0.057 R)
• M15: 5,479,920 km (0.027 R)
• M16: 6,046,896 km (0.106 R)
• M17: 7,296,935 km (0.108 R)
• M18: 7,574,290 km (0.067 R)
• M19: 9,249,487 km (0.113 R)
• M20: 10,345,291 km (0.059 R)
• M21: 13,665,765 km (0.114 R)
• M22: 14,517,127 km (0.083 R)
• M23: 14,829,637 km (0.104 R)
• M24: 17,074,353 km (0.074 R)
• M25: 19,159,897 km (0.051 R)
• M26: 19,763,823 km (0.08 R)
• M27: 19,916,713 km (0.086 R)
• M28: 20,302,525 km (0.075 R)
• M29: 20,850,951 km (0.086 R)
• M30: 24,703,396 km (0.117 R)
• M31: 25,599,337 km (0.049 R)
• M32: 29,599,883 km (0.107 R)
• M33: 31,643,390 km (0.093 R)
• M34: 32,380,310 km (0.063 R)
• M35: 35,668,321 km (0.101 R)
• M36: 37,159,662 km (0.093 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 444 - 16,031 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit