🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.4

Radius: 10.7

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.52 AU - 0.56 AU

Year: 269 Days

Day: 5.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 24,989,055 km

• M1: 133,292 km (0.058 R)
• M2: 561,890 km (0.094 R)
• M3: 1,410,708 km (0.1 R)
• M4: 1,750,744 km (0.115 R)
• M5: 2,130,872 km (0.109 R)
• M6: 2,829,494 km (0.027 R)
• M7: 3,904,504 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.1

Radius: 12.1

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.09 AU - 1.35 AU

Year: 914 Days

Day: 7.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 89.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,989,055 km

• M1: 150,495 km (0.062 R)
• M2: 572,361 km (0.117 R)
• M3: 986,748 km (0.069 R)
• M4: 1,428,510 km (0.12 R)
• M5: 2,069,088 km (0.119 R)
• M6: 2,593,429 km (0.117 R)
• M7: 3,323,317 km (0.096 R)
• M8: 3,853,492 km (0.081 R)
• M9: 4,279,845 km (0.114 R)
• M10: 5,504,603 km (0.112 R)
• M11: 7,400,158 km (0.091 R)
• M12: 8,258,850 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.7

Radius: 10

Gravity: 9.39 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.42 AU - 1.64 AU

Year: 1284 Days

Day: 11.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 116 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 24,989,055 km

• M1: 124,316 km (0.049 R)
• M2: 585,227 km (0.095 R)
• M3: 1,002,904 km (0.086 R)
• M4: 1,315,264 km (0.058 R)
• M5: 2,214,647 km (0.043 R)
• M6: 3,009,311 km (0.071 R)
• M7: 3,464,836 km (0.093 R)
• M8: 3,931,133 km (0.064 R)
• M9: 4,382,470 km (0.105 R)
• M10: 4,768,133 km (0.094 R)
• M11: 5,607,975 km (0.094 R)
• M12: 8,397,078 km (0.095 R)
• M13: 11,273,546 km (0.072 R)
• M14: 11,706,033 km (0.111 R)
• M15: 12,565,922 km (0.031 R)
• M16: 13,228,042 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.5

Radius: 13.7

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.84 AU - 2.96 AU

Year: 2522 Days

Day: 6.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 24,989,055 km

• M1: 170,542 km (0.065 R)
• M2: 629,508 km (0.103 R)
• M3: 1,155,793 km (0.096 R)
• M4: 1,674,898 km (0.109 R)
• M5: 2,141,942 km (0.025 R)
• M6: 2,753,199 km (0.077 R)
• M7: 3,379,865 km (0.068 R)
• M8: 4,271,767 km (0.112 R)
• M9: 5,474,235 km (0.068 R)
• M10: 6,918,303 km (0.113 R)
• M11: 7,386,395 km (0.078 R)
• M12: 8,023,532 km (0.053 R)
• M13: 9,642,630 km (0.094 R)
• M14: 10,088,132 km (0.115 R)
• M15: 11,206,526 km (0.115 R)
• M16: 13,518,860 km (0.05 R)
• M17: 14,832,479 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.3

Radius: 14.1

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.78 AU - 4.46 AU

Year: 4671 Days

Day: 8.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 24,989,055 km

• M1: 175,478 km (0.104 R)
• M2: 658,530 km (0.113 R)
• M3: 1,458,130 km (0.063 R)
• M4: 2,048,444 km (0.115 R)
• M5: 2,671,818 km (0.046 R)
• M6: 3,156,216 km (0.081 R)
• M7: 4,135,783 km (0.095 R)
• M8: 4,762,598 km (0.112 R)
• M9: 7,817,686 km (0.118 R)
• M10: 9,352,560 km (0.11 R)
• M11: 11,555,538 km (0.113 R)
• M12: 14,085,687 km (0.081 R)
• M13: 15,217,694 km (0.066 R)
• M14: 17,279,900 km (0.081 R)
• M15: 18,378,248 km (0.055 R)
• M16: 19,660,451 km (0.107 R)
• M17: 20,288,164 km (0.029 R)
• M18: 27,668,276 km (0.084 R)
• M19: 31,289,442 km (0.079 R)
• M20: 31,763,218 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.6

Radius: 12.3

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.53 AU - 4.41 AU

Year: 5365 Days

Day: 8.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 24,989,055 km

• M1: 154,983 km (0.066 R)
• M2: 688,001 km (0.096 R)
• M3: 1,253,181 km (0.039 R)
• M4: 1,793,529 km (0.112 R)
• M5: 3,272,902 km (0.085 R)
• M6: 3,724,837 km (0.103 R)
• M7: 4,171,836 km (0.101 R)
• M8: 5,646,572 km (0.083 R)
• M9: 6,839,764 km (0.083 R)
• M10: 7,306,958 km (0.084 R)
• M11: 8,342,774 km (0.105 R)
• M12: 9,033,467 km (0.107 R)
• M13: 10,529,147 km (0.097 R)
• M14: 14,112,315 km (0.09 R)
• M15: 14,761,420 km (0.077 R)
• M16: 16,530,864 km (0.114 R)
• M17: 19,083,153 km (0.111 R)
• M18: 20,762,389 km (0.114 R)
• M19: 22,905,080 km (0.066 R)
• M20: 23,650,975 km (0.117 R)
• M21: 28,046,310 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.1

Radius: 11

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.95 AU - 4.73 AU

Year: 6132 Days

Day: 11.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 24,989,055 km

• M1: 136,882 km (0.048 R)
• M2: 502,350 km (0.092 R)
• M3: 1,062,743 km (0.117 R)
• M4: 1,457,831 km (0.104 R)
• M5: 3,492,063 km (0.11 R)
• M6: 4,339,685 km (0.049 R)
• M7: 6,175,101 km (0.081 R)
• M8: 8,089,804 km (0.057 R)
• M9: 13,442,416 km (0.117 R)
• M10: 15,889,089 km (0.092 R)
• M11: 23,527,556 km (0.097 R)
• M12: 24,177,858 km (0.094 R)
• M13: 24,914,628 km (0.038 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: 310 - 16,671 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit