🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657

Radius: 12.7

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.5 AU - 0.68 AU

Year: 313 Days

Day: 8.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,929,494 km

• M1: 159,023 km (0.115 R)
• M2: 698,024 km (0.082 R)
• M3: 1,132,605 km (0.026 R)
• M4: 1,615,657 km (0.09 R)
• M5: 2,244,566 km (0.095 R)
• M6: 2,982,533 km (0.076 R)
• M7: 3,973,020 km (0.096 R)
• M8: 4,638,731 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.4

Radius: 11.9

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.26 AU - 2.04 AU

Year: 1463 Days

Day: 12.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,929,494 km

• M1: 148,102 km (0.068 R)
• M2: 550,371 km (0.071 R)
• M3: 1,022,651 km (0.116 R)
• M4: 1,670,709 km (0.043 R)
• M5: 2,072,978 km (0.095 R)
• M6: 3,048,505 km (0.106 R)
• M7: 4,270,720 km (0.094 R)
• M8: 4,710,837 km (0.093 R)
• M9: 6,409,670 km (0.088 R)
• M10: 6,834,229 km (0.097 R)
• M11: 8,193,027 km (0.082 R)
• M12: 9,309,326 km (0.063 R)
• M13: 10,354,117 km (0.109 R)
• M14: 10,835,075 km (0.059 R)
• M15: 13,347,122 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922

Radius: 9.8

Gravity: 9.6 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.67 AU - 3.95 AU

Year: 4157 Days

Day: 10.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,929,494 km

• M1: 122,221 km (0.05 R)
• M2: 447,447 km (0.113 R)
• M3: 1,176,737 km (0.092 R)
• M4: 1,561,054 km (0.115 R)
• M5: 1,890,169 km (0.071 R)
• M6: 2,220,032 km (0.093 R)
• M7: 2,868,838 km (0.106 R)
• M8: 3,287,862 km (0.049 R)
• M9: 5,558,159 km (0.062 R)
• M10: 6,120,198 km (0.046 R)
• M11: 7,497,097 km (0.06 R)
• M12: 9,030,027 km (0.096 R)
• M13: 9,515,921 km (0.093 R)
• M14: 10,233,841 km (0.086 R)
• M15: 11,354,778 km (0.106 R)
• M16: 15,378,212 km (0.087 R)
• M17: 16,665,203 km (0.049 R)
• M18: 19,854,929 km (0.052 R)
• M19: 20,400,512 km (0.115 R)
• M20: 22,315,963 km (0.112 R)
• M21: 23,733,852 km (0.102 R)
• M22: 24,039,779 km (0.087 R)
• M23: 26,996,432 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.1

Radius: 8.5

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.42 AU - 4.54 AU

Year: 6545 Days

Day: 7 Hours

Environment

Temp: -213 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 49,929,494 km

• M1: 105,766 km (0.082 R)
• M2: 408,851 km (0.032 R)
• M3: 1,194,988 km (0.114 R)
• M4: 1,679,834 km (0.1 R)
• M5: 3,021,877 km (0.063 R)
• M6: 3,735,309 km (0.061 R)
• M7: 4,347,314 km (0.097 R)
• M8: 4,718,317 km (0.105 R)
• M9: 6,899,753 km (0.068 R)
• M10: 7,705,487 km (0.085 R)
• M11: 8,250,023 km (0.087 R)
• M12: 8,987,541 km (0.088 R)
• M13: 9,285,839 km (0.114 R)
• M14: 9,812,872 km (0.115 R)
• M15: 10,687,870 km (0.066 R)
• M16: 11,917,116 km (0.115 R)
• M17: 13,792,924 km (0.093 R)
• M18: 14,076,112 km (0.116 R)
• M19: 15,734,405 km (0.1 R)
• M20: 16,168,538 km (0.117 R)
• M21: 17,985,254 km (0.07 R)
• M22: 19,293,039 km (0.112 R)
• M23: 20,959,559 km (0.111 R)
• M24: 23,194,851 km (0.048 R)
• M25: 23,515,140 km (0.104 R)
• M26: 24,328,803 km (0.115 R)
• M27: 28,957,809 km (0.1 R)
• M28: 31,331,928 km (0.117 R)
• M29: 33,832,905 km (0.101 R)
• M30: 34,245,047 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 708.9

Radius: 4.7

Gravity: 32.09 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 5.26 AU - 6.98 AU

Year: 10451 Days

Day: 19 Hours

Environment

Temp: -233 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,929,494 km

• M1: 58,493 km (0.099 R)
• M2: 507,286 km (0.048 R)
• M3: 809,923 km (0.097 R)
• M4: 1,051,075 km (0.085 R)
• M5: 1,325,736 km (0.063 R)
• M6: 2,215,096 km (0.116 R)
• M7: 2,838,470 km (0.07 R)
• M8: 4,277,751 km (0.063 R)
• M9: 6,596,369 km (0.064 R)
• M10: 6,791,295 km (0.114 R)
• M11: 8,584,075 km (0.082 R)
• M12: 10,776,881 km (0.094 R)
• M13: 11,267,263 km (0.041 R)
• M14: 11,658,910 km (0.062 R)
• M15: 12,117,428 km (0.077 R)
• M16: 13,565,535 km (0.1 R)
• M17: 19,379,507 km (0.105 R)
• M18: 21,097,788 km (0.09 R)
• M19: 22,473,191 km (0.059 R)
• M20: 31,779,225 km (0.089 R)
• M21: 33,125,756 km (0.113 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: 318 - 16,465 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit