🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.2

Radius: 9.7

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.7 AU - 0.94 AU

Year: 495 Days

Day: 14.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 84,357,635 km

• M1: 120,576 km (0.116 R)
• M2: 524,789 km (0.068 R)
• M3: 905,217 km (0.104 R)
• M4: 1,341,295 km (0.074 R)
• M5: 1,874,611 km (0.095 R)
• M6: 2,186,971 km (0.112 R)
• M7: 2,695,903 km (0.108 R)
• M8: 3,051,497 km (0.088 R)
• M9: 3,450,624 km (0.117 R)
• M10: 4,212,377 km (0.106 R)
• M11: 4,739,261 km (0.114 R)
• M12: 5,114,302 km (0.088 R)
• M13: 6,121,694 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.8

Radius: 8.7

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.75 AU - 2.91 AU

Year: 2372 Days

Day: 10 Hours

Environment

Temp: -202 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 84,357,635 km

• M1: 108,907 km (0.105 R)
• M2: 681,867 km (0.045 R)
• M3: 1,206,208 km (0.069 R)
• M4: 1,888,374 km (0.051 R)
• M5: 4,605,370 km (0.06 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 429.9

Radius: 5.4

Gravity: 14.74 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 5.35 AU - 7.95 AU

Year: 11436 Days

Day: 20.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 84,357,635 km

• M1: 67,169 km (0.036 R)
• M2: 430,991 km (0.112 R)
• M3: 605,273 km (0.057 R)
• M4: 863,928 km (0.119 R)
• M5: 1,115,402 km (0.041 R)
• M6: 1,605,484 km (0.092 R)
• M7: 2,055,026 km (0.067 R)
• M8: 2,545,408 km (0.081 R)
• M9: 2,870,933 km (0.1 R)
• M10: 5,436,536 km (0.117 R)
• M11: 5,838,207 km (0.117 R)
• M12: 6,295,527 km (0.086 R)
• M13: 7,810,804 km (0.105 R)
• M14: 10,389,123 km (0.082 R)
• M15: 12,260,144 km (0.052 R)
• M16: 13,848,574 km (0.103 R)
• M17: 14,407,173 km (0.1 R)
• M18: 15,305,957 km (0.076 R)
• M19: 15,569,398 km (0.035 R)
• M20: 16,173,325 km (0.088 R)
• M21: 16,792,660 km (0.101 R)
• M22: 31,551,089 km (0.099 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 924.2

Radius: 6.3

Gravity: 23.29 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 7.25 AU - 9.05 AU

Year: 15516 Days

Day: 17.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 84,357,635 km

• M1: 79,137 km (0.049 R)
• M2: 374,294 km (0.118 R)
• M3: 620,532 km (0.112 R)
• M4: 975,229 km (0.109 R)
• M5: 1,458,579 km (0.106 R)
• M6: 1,825,692 km (0.064 R)
• M7: 2,445,626 km (0.063 R)
• M8: 4,548,673 km (0.032 R)
• M9: 7,725,683 km (0.073 R)
• M10: 8,730,681 km (0.1 R)
• M11: 10,338,858 km (0.099 R)
• M12: 12,004,631 km (0.098 R)
• M13: 13,072,161 km (0.071 R)
• M14: 13,913,200 km (0.105 R)
• M15: 14,641,144 km (0.104 R)
• M16: 15,241,629 km (0.115 R)
• M17: 16,733,419 km (0.105 R)
• M18: 17,389,705 km (0.113 R)
• M19: 18,319,905 km (0.091 R)
• M20: 20,556,692 km (0.05 R)
• M21: 24,399,413 km (0.077 R)
• M22: 26,987,905 km (0.087 R)
• M23: 28,233,157 km (0.057 R)
• M24: 31,574,875 km (0.099 R)
• M25: 32,323,762 km (0.103 R)
• M26: 33,598,186 km (0.116 R)
• M27: 35,571,980 km (0.114 R)
• M28: 36,519,084 km (0.11 R)
• M29: 38,181,565 km (0.116 R)
• M30: 44,708,820 km (0.107 R)
• M31: 47,743,562 km (0.108 R)
• M32: 48,070,882 km (0.108 R)
• M33: 48,895,466 km (0.113 R)
• M34: 49,227,872 km (0.116 R)
• M35: 58,223,940 km (0.076 R)
• M36: 61,064,504 km (0.116 R)
• M37: 66,611,444 km (0.095 R)
• M38: 70,560,828 km (0.072 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 889.4

Radius: 3.1

Gravity: 92.55 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 7.69 AU - 11.93 AU

Year: 20490 Days

Day: 23.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 84,357,635 km

• M1: 39,643 km (0.102 R)
• M2: 207,193 km (0.091 R)
• M3: 340,485 km (0.107 R)
• M4: 467,643 km (0.077 R)
• M5: 948,750 km (0.075 R)
• M6: 1,371,962 km (0.101 R)
• M7: 2,031,838 km (0.099 R)
• M8: 2,338,065 km (0.105 R)
• M9: 2,827,549 km (0.075 R)
• M10: 3,294,444 km (0.116 R)
• M11: 3,939,810 km (0.109 R)
• M12: 4,775,762 km (0.051 R)
• M13: 5,078,848 km (0.056 R)
• M14: 5,314,464 km (0.114 R)
• M15: 7,825,016 km (0.043 R)
• M16: 8,086,363 km (0.106 R)
• M17: 11,027,308 km (0.082 R)
• M18: 11,289,553 km (0.068 R)
• M19: 12,591,653 km (0.06 R)
• M20: 12,806,027 km (0.06 R)
• M21: 18,710,654 km (0.118 R)
• M22: 21,628,262 km (0.055 R)
• M23: 23,301,664 km (0.097 R)
• M24: 24,947,091 km (0.114 R)
• M25: 28,589,799 km (0.067 R)
• M26: 29,836,398 km (0.101 R)
• M27: 33,246,182 km (0.113 R)
• M28: 43,860,749 km (0.105 R)
• M29: 45,348,949 km (0.117 R)
• M30: 48,425,579 km (0.069 R)
• M31: 55,946,761 km (0.112 R)
• M32: 58,089,302 km (0.103 R)
• M33: 63,160,969 km (0.071 R)
• M34: 64,209,500 km (0.107 R)
• M35: 65,911,176 km (0.093 R)
• M36: 73,018,721 km (0.051 R)
• M37: 74,173,467 km (0.184 R)
• M38: 79,885,861 km (0.109 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 435 - 13,378 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit