🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940

Radius: 11.7

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.72 AU - 0.72 AU

Year: 414 Days

Day: 12.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,495,275 km

• M1: 145,858 km (0.109 R)
• M2: 728,691 km (0.106 R)
• M3: 1,263,653 km (0.072 R)
• M4: 1,779,467 km (0.068 R)
• M5: 2,157,650 km (0.093 R)
• M6: 2,560,218 km (0.098 R)
• M7: 3,183,592 km (0.03 R)
• M8: 3,735,160 km (0.115 R)
• M9: 4,193,528 km (0.101 R)
• M10: 4,583,978 km (0.116 R)
• M11: 5,014,820 km (0.115 R)
• M12: 5,694,443 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.9

Radius: 8.5

Gravity: 13.44 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.76 AU - 0.78 AU

Year: 458 Days

Day: 5.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,495,275 km

• M1: 105,766 km (0.098 R)
• M2: 520,900 km (0.066 R)
• M3: 866,022 km (0.072 R)
• M4: 1,229,096 km (0.081 R)
• M5: 2,048,743 km (0.054 R)
• M6: 2,345,844 km (0.07 R)
• M7: 2,693,061 km (0.085 R)
• M8: 3,181,199 km (0.098 R)
• M9: 3,904,205 km (0.07 R)
• M10: 4,592,056 km (0.063 R)
• M11: 4,875,993 km (0.047 R)
• M12: 5,205,258 km (0.103 R)
• M13: 5,691,152 km (0.108 R)
• M14: 6,834,229 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.9

Radius: 11.6

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.99 AU - 1.33 AU

Year: 847 Days

Day: 7.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,495,275 km

• M1: 148,551 km (0.063 R)
• M2: 694,733 km (0.059 R)
• M3: 1,246,749 km (0.116 R)
• M4: 2,019,571 km (0.102 R)
• M5: 3,268,564 km (0.102 R)
• M6: 3,837,634 km (0.102 R)
• M7: 4,656,832 km (0.114 R)
• M8: 5,413,797 km (0.102 R)
• M9: 5,840,301 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.9

Radius: 8.5

Gravity: 12.87 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.92 AU - 2.98 AU

Year: 3437 Days

Day: 5.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,495,275 km

• M1: 106,962 km (0.031 R)
• M2: 429,495 km (0.074 R)
• M3: 1,398,142 km (0.079 R)
• M4: 3,175,514 km (0.092 R)
• M5: 3,668,738 km (0.041 R)
• M6: 5,377,894 km (0.033 R)
• M7: 5,791,831 km (0.083 R)
• M8: 6,590,385 km (0.102 R)
• M9: 7,293,644 km (0.058 R)
• M10: 7,629,491 km (0.102 R)
• M11: 10,445,223 km (0.103 R)
• M12: 11,046,456 km (0.096 R)
• M13: 18,265,152 km (0.107 R)
• M14: 18,573,623 km (0.109 R)
• M15: 19,907,437 km (0.077 R)
• M16: 20,365,955 km (0.115 R)
• M17: 20,831,354 km (0.069 R)
• M18: 21,991,336 km (0.098 R)
• M19: 22,693,548 km (0.085 R)
• M20: 24,739,149 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.4

Radius: 13.3

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 3 AU - 4.58 AU

Year: 5004 Days

Day: 9.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,495,275 km

• M1: 165,455 km (0.091 R)
• M2: 592,707 km (0.042 R)
• M3: 1,794,127 km (0.11 R)
• M4: 2,765,466 km (0.062 R)
• M5: 3,220,244 km (0.045 R)
• M6: 4,798,202 km (0.067 R)
• M7: 5,513,579 km (0.074 R)
• M8: 5,953,696 km (0.118 R)
• M9: 6,719,338 km (0.042 R)
• M10: 8,269,321 km (0.099 R)
• M11: 9,609,120 km (0.061 R)
• M12: 10,372,368 km (0.07 R)
• M13: 12,434,425 km (0.06 R)
• M14: 15,718,847 km (0.074 R)
• M15: 16,608,505 km (0.119 R)
• M16: 18,125,428 km (0.074 R)
• M17: 20,834,047 km (0.046 R)
• M18: 21,635,742 km (0.04 R)
• M19: 22,112,959 km (0.117 R)
• M20: 22,597,058 km (0.115 R)
• M21: 23,658,305 km (0.118 R)
• M22: 24,310,851 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.3

Radius: 14.5

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 4.85 AU - 4.95 AU

Year: 7357 Days

Day: 9.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 65,495,275 km

• M1: 180,415 km (0.104 R)
• M2: 1,986,809 km (0.098 R)
• M3: 3,635,677 km (0.115 R)
• M4: 5,908,518 km (0.116 R)
• M5: 8,857,840 km (0.058 R)
• M6: 11,149,081 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 565.1

Radius: 6.5

Gravity: 13.38 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 8.04 AU - 9.48 AU

Year: 17585 Days

Day: 22 Hours

Environment

Temp: -239 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 65,495,275 km

• M1: 87,664 km (0.104 R)
• M2: 402,269 km (0.061 R)
• M3: 628,012 km (0.06 R)
• M4: 1,054,665 km (0.06 R)
• M5: 1,257,370 km (0.035 R)
• M6: 1,486,255 km (0.116 R)
• M7: 1,900,491 km (0.071 R)
• M8: 2,244,566 km (0.086 R)
• M9: 3,784,826 km (0.053 R)
• M10: 4,330,410 km (0.109 R)
• M11: 5,923,328 km (0.116 R)
• M12: 6,743,124 km (0.074 R)
• M13: 7,003,275 km (0.084 R)
• M14: 7,589,848 km (0.045 R)
• M15: 8,912,144 km (0.067 R)
• M16: 11,203,385 km (0.107 R)
• M17: 12,844,024 km (0.091 R)
• M18: 15,001,824 km (0.096 R)
• M19: 25,737,865 km (0.048 R)
• M20: 27,347,688 km (0.052 R)
• M21: 28,682,998 km (0.075 R)
• M22: 29,137,626 km (0.09 R)
• M23: 31,724,173 km (0.11 R)
• M24: 34,844,785 km (0.11 R)
• M25: 38,575,905 km (0.092 R)
• M26: 38,852,213 km (0.085 R)
• M27: 39,829,685 km (0.078 R)
• M28: 41,979,107 km (0.077 R)
• M29: 51,018,259 km (0.116 R)
• M30: 54,066,914 km (0.111 R)
• M31: 54,934,881 km (0.077 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: 347 - 19,656 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit