🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.2

Radius: 10.6

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.74 AU - 0.8 AU

Year: 458 Days

Day: 9.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,342,773 km

• M1: 132,394 km (0.098 R)
• M2: 464,352 km (0.109 R)
• M3: 913,893 km (0.027 R)
• M4: 1,570,927 km (0.112 R)
• M5: 2,041,562 km (0.116 R)
• M6: 2,548,250 km (0.081 R)
• M7: 4,228,982 km (0.085 R)
• M8: 4,730,733 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.6

Radius: 8.7

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.73 AU - 1.05 AU

Year: 569 Days

Day: 6.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,342,773 km

• M1: 109,356 km (0.037 R)
• M2: 405,111 km (0.046 R)
• M3: 727,494 km (0.111 R)
• M4: 1,018,313 km (0.03 R)
• M5: 1,401,582 km (0.115 R)
• M6: 1,863,541 km (0.053 R)
• M7: 2,375,764 km (0.053 R)
• M8: 2,967,872 km (0.097 R)
• M9: 3,269,013 km (0.118 R)
• M10: 3,974,217 km (0.087 R)
• M11: 4,518,304 km (0.104 R)
• M12: 4,934,336 km (0.102 R)
• M13: 5,861,245 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.1

Radius: 10

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.92 AU - 0.96 AU

Year: 618 Days

Day: 9.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,342,773 km

• M1: 124,316 km (0.062 R)
• M2: 442,361 km (0.065 R)
• M3: 839,693 km (0.091 R)
• M4: 1,324,240 km (0.064 R)
• M5: 1,681,480 km (0.095 R)
• M6: 2,032,586 km (0.059 R)
• M7: 2,354,670 km (0.08 R)
• M8: 2,808,401 km (0.116 R)
• M9: 4,003,538 km (0.065 R)
• M10: 4,484,196 km (0.062 R)
• M11: 5,168,158 km (0.087 R)
• M12: 5,703,120 km (0.054 R)
• M13: 6,312,881 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.4

Radius: 12.9

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.65 AU - 4.29 AU

Year: 5365 Days

Day: 6.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 86.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,342,773 km

• M1: 160,519 km (0.039 R)
• M2: 584,628 km (0.117 R)
• M3: 1,081,293 km (0.11 R)
• M4: 1,531,733 km (0.115 R)
• M5: 2,049,640 km (0.06 R)
• M6: 2,683,786 km (0.074 R)
• M7: 3,467,379 km (0.099 R)
• M8: 7,346,751 km (0.079 R)
• M9: 7,748,571 km (0.116 R)
• M10: 8,281,439 km (0.104 R)
• M11: 9,548,533 km (0.081 R)
• M12: 10,117,005 km (0.118 R)
• M13: 11,466,527 km (0.089 R)
• M14: 12,775,658 km (0.091 R)
• M15: 14,014,777 km (0.089 R)
• M16: 15,391,676 km (0.083 R)
• M17: 15,930,677 km (0.102 R)
• M18: 19,088,987 km (0.115 R)
• M19: 19,921,948 km (0.059 R)
• M20: 21,884,523 km (0.057 R)
• M21: 23,497,936 km (0.108 R)
• M22: 26,531,182 km (0.063 R)
• M23: 28,453,665 km (0.075 R)
• M24: 29,724,349 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.9

Radius: 12.7

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 4.2 AU - 4.86 AU

Year: 6539 Days

Day: 5 Hours

Environment

Temp: -221 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 38,342,773 km

• M1: 157,975 km (0.097 R)
• M2: 584,778 km (0.119 R)
• M3: 1,000,211 km (0.116 R)
• M4: 1,431,502 km (0.111 R)
• M5: 2,033,484 km (0.095 R)
• M6: 2,672,267 km (0.079 R)
• M7: 3,572,397 km (0.108 R)
• M8: 4,559,893 km (0.097 R)
• M9: 5,160,678 km (0.11 R)
• M10: 6,001,119 km (0.066 R)
• M11: 6,487,910 km (0.067 R)
• M12: 8,069,758 km (0.084 R)
• M13: 9,544,643 km (0.04 R)
• M14: 11,192,314 km (0.117 R)
• M15: 11,681,948 km (0.043 R)
• M16: 15,221,583 km (0.106 R)
• M17: 17,658,233 km (0.058 R)
• M18: 18,661,138 km (0.052 R)
• M19: 19,211,359 km (0.096 R)
• M20: 20,561,629 km (0.064 R)
• M21: 23,930,423 km (0.082 R)
• M22: 25,915,138 km (0.114 R)
• M23: 26,773,681 km (0.105 R)
• M24: 27,828,794 km (0.054 R)
• M25: 30,682,673 km (0.109 R)
• M26: 33,022,384 km (0.114 R)
• M27: 33,827,968 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.9

Radius: 8.2

Gravity: 8.91 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 4.76 AU - 5.3 AU

Year: 7651 Days

Day: 6 Hours

Environment

Temp: -228 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,342,773 km

• M1: 103,821 km (0.091 R)
• M2: 426,653 km (0.107 R)
• M3: 846,275 km (0.086 R)
• M4: 1,297,163 km (0.113 R)
• M5: 1,901,090 km (0.065 R)
• M6: 2,200,285 km (0.115 R)
• M7: 3,609,946 km (0.081 R)
• M8: 5,115,200 km (0.071 R)
• M9: 5,478,872 km (0.073 R)
• M10: 6,464,274 km (0.03 R)
• M11: 9,393,400 km (0.076 R)
• M12: 9,801,204 km (0.068 R)
• M13: 10,079,605 km (0.109 R)
• M14: 11,810,602 km (0.093 R)
• M15: 15,978,100 km (0.084 R)
• M16: 17,155,285 km (0.118 R)
• M17: 20,125,102 km (0.065 R)
• M18: 23,174,655 km (0.09 R)
• M19: 24,340,471 km (0.071 R)
• M20: 26,161,975 km (0.09 R)
• M21: 27,794,088 km (0.098 R)
• M22: 30,269,783 km (0.115 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 170 - 11,008 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit