🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.9

Radius: 10.1

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.75 AU - 0.75 AU

Year: 419 Days

Day: 10.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,100,773 km

• M1: 125,662 km (0.046 R)
• M2: 493,673 km (0.044 R)
• M3: 925,412 km (0.114 R)
• M4: 1,278,613 km (0.034 R)
• M5: 1,627,625 km (0.092 R)
• M6: 2,583,106 km (0.109 R)
• M7: 3,289,358 km (0.119 R)
• M8: 3,720,200 km (0.028 R)
• M9: 4,091,801 km (0.08 R)
• M10: 4,415,381 km (0.112 R)
• M11: 4,925,510 km (0.072 R)
• M12: 5,781,359 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.7

Radius: 15

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.15 AU - 1.29 AU

Year: 870 Days

Day: 11.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,100,773 km

• M1: 186,549 km (0.099 R)
• M2: 818,300 km (0.098 R)
• M3: 1,431,951 km (0.096 R)
• M4: 2,239,630 km (0.095 R)
• M5: 3,007,964 km (0.078 R)
• M6: 3,601,120 km (0.052 R)
• M7: 4,569,617 km (0.118 R)
• M8: 5,547,687 km (0.107 R)
• M9: 6,941,640 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.7

Radius: 8.7

Gravity: 10.27 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.46 AU - 1.8 AU

Year: 1344 Days

Day: 13.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,100,773 km

• M1: 108,309 km (0.108 R)
• M2: 403,017 km (0.03 R)
• M3: 680,521 km (0.119 R)
• M4: 1,072,018 km (0.093 R)
• M5: 1,458,878 km (0.078 R)
• M6: 1,744,162 km (0.064 R)
• M7: 2,296,477 km (0.089 R)
• M8: 2,821,117 km (0.092 R)
• M9: 3,119,714 km (0.082 R)
• M10: 3,392,431 km (0.119 R)
• M11: 3,730,672 km (0.094 R)
• M12: 4,073,849 km (0.027 R)
• M13: 4,551,515 km (0.093 R)
• M14: 5,065,982 km (0.086 R)
• M15: 5,932,752 km (0.096 R)
• M16: 6,996,692 km (0.11 R)
• M17: 7,386,993 km (0.079 R)
• M18: 9,156,736 km (0.079 R)
• M19: 9,879,743 km (0.043 R)
• M20: 11,368,541 km (0.095 R)
• M21: 12,655,381 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.4

Radius: 14.7

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.76 AU - 1.85 AU

Year: 1559 Days

Day: 9.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,100,773 km

• M1: 185,352 km (0.09 R)
• M2: 705,504 km (0.055 R)
• M3: 1,269,488 km (0.114 R)
• M4: 1,757,925 km (0.108 R)
• M5: 2,215,544 km (0.108 R)
• M6: 3,147,539 km (0.058 R)
• M7: 4,205,047 km (0.118 R)
• M8: 5,425,466 km (0.083 R)
• M9: 6,278,323 km (0.1 R)
• M10: 6,919,799 km (0.113 R)
• M11: 7,474,658 km (0.061 R)
• M12: 8,446,894 km (0.112 R)
• M13: 10,709,263 km (0.063 R)
• M14: 11,247,217 km (0.12 R)
• M15: 12,016,449 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.5

Radius: 8.5

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.67 AU - 2.81 AU

Year: 2928 Days

Day: 7.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,100,773 km

• M1: 110,553 km (0.101 R)
• M2: 580,589 km (0.054 R)
• M3: 860,637 km (0.117 R)
• M4: 1,273,527 km (0.102 R)
• M5: 1,909,617 km (0.052 R)
• M6: 2,527,606 km (0.081 R)
• M7: 2,826,502 km (0.103 R)
• M8: 3,799,487 km (0.111 R)
• M9: 4,614,795 km (0.068 R)
• M10: 7,000,133 km (0.119 R)
• M11: 7,649,538 km (0.067 R)
• M12: 8,075,443 km (0.064 R)
• M13: 9,905,623 km (0.11 R)
• M14: 12,378,177 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.1

Radius: 14.2

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.86 AU - 2.98 AU

Year: 3222 Days

Day: 6 Hours

Environment

Temp: -212 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,100,773 km

• M1: 180,565 km (0.09 R)
• M2: 1,068,578 km (0.05 R)
• M3: 2,088,536 km (0.105 R)
• M4: 2,638,757 km (0.105 R)
• M5: 5,247,145 km (0.094 R)
• M6: 6,548,497 km (0.094 R)
• M7: 9,542,848 km (0.085 R)
• M8: 11,173,914 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 206.2

Radius: 5.3

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 8.49 AU - 9.73 AU

Year: 17754 Days

Day: 17.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 47,100,773 km

• M1: 65,973 km (0.107 R)
• M2: 241,002 km (0.108 R)
• M3: 409,300 km (0.098 R)
• M4: 653,294 km (0.117 R)
• M5: 1,189,453 km (0.109 R)
• M6: 1,607,130 km (0.052 R)
• M7: 1,997,281 km (0.115 R)
• M8: 2,771,001 km (0.051 R)
• M9: 3,355,331 km (0.098 R)
• M10: 3,727,829 km (0.101 R)
• M11: 4,825,579 km (0.05 R)
• M12: 5,235,177 km (0.109 R)
• M13: 7,228,120 km (0.091 R)
• M14: 8,730,681 km (0.1 R)
• M15: 12,923,311 km (0.11 R)
• M16: 15,450,169 km (0.092 R)
• M17: 17,768,337 km (0.062 R)
• M18: 20,308,210 km (0.07 R)
• M19: 21,040,791 km (0.074 R)
• M20: 21,622,577 km (0.098 R)
• M21: 26,765,901 km (0.06 R)
• M22: 27,745,019 km (0.117 R)
• M23: 29,774,464 km (0.089 R)
• M24: 32,009,756 km (0.066 R)
• M25: 43,794,926 km (0.094 R)
• M26: 44,606,345 km (0.103 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 202 - 17,986 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit