🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.2

Radius: 11.3

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.6 AU - 0.62 AU

Year: 323 Days

Day: 11.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,962,217 km

• M1: 140,622 km (0.103 R)
• M2: 515,065 km (0.119 R)
• M3: 902,973 km (0.047 R)
• M4: 1,303,596 km (0.101 R)
• M5: 1,668,615 km (0.097 R)
• M6: 2,363,497 km (0.09 R)
• M7: 3,052,545 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.9

Radius: 15

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.65 AU - 0.65 AU

Year: 355 Days

Day: 11.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,962,217 km

• M1: 186,698 km (0.059 R)
• M2: 682,316 km (0.072 R)
• M3: 1,207,255 km (0.117 R)
• M4: 1,722,619 km (0.094 R)
• M5: 2,353,623 km (0.12 R)
• M6: 2,965,628 km (0.103 R)
• M7: 3,512,857 km (0.037 R)
• M8: 4,305,427 km (0.092 R)
• M9: 4,814,059 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.3

Radius: 13.4

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.7 AU - 1.12 AU

Year: 589 Days

Day: 13 Hours

Environment

Temp: -170 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,962,217 km

• M1: 166,652 km (0.088 R)
• M2: 619,634 km (0.075 R)
• M3: 1,036,713 km (0.1 R)
• M4: 1,471,445 km (0.068 R)
• M5: 1,893,311 km (0.11 R)
• M6: 2,357,812 km (0.08 R)
• M7: 3,049,852 km (0.067 R)
• M8: 3,561,925 km (0.086 R)
• M9: 4,446,198 km (0.084 R)
• M10: 5,472,141 km (0.1 R)
• M11: 6,670,270 km (0.115 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 378.5

Radius: 7.6

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 6.46 AU - 7 AU

Year: 11842 Days

Day: 21 Hours

Environment

Temp: -228 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 67,962,217 km

• M1: 94,695 km (0.114 R)
• M2: 425,307 km (0.043 R)
• M3: 1,008,140 km (0.088 R)
• M4: 1,602,642 km (0.047 R)
• M5: 2,144,186 km (0.066 R)
• M6: 2,740,783 km (0.115 R)
• M7: 2,991,209 km (0.03 R)
• M8: 3,419,508 km (0.053 R)
• M9: 3,710,626 km (0.113 R)
• M10: 4,772,920 km (0.069 R)
• M11: 5,990,796 km (0.113 R)
• M12: 6,343,099 km (0.112 R)
• M13: 8,934,733 km (0.076 R)
• M14: 9,583,539 km (0.095 R)
• M15: 9,968,155 km (0.074 R)
• M16: 10,513,888 km (0.089 R)
• M17: 13,130,504 km (0.078 R)
• M18: 13,485,500 km (0.109 R)
• M19: 14,463,421 km (0.103 R)
• M20: 16,423,303 km (0.113 R)
• M21: 17,114,146 km (0.085 R)
• M22: 19,994,503 km (0.06 R)
• M23: 20,464,540 km (0.042 R)
• M24: 20,702,251 km (0.071 R)
• M25: 21,508,284 km (0.059 R)
• M26: 21,918,930 km (0.109 R)
• M27: 27,939,497 km (0.101 R)
• M28: 33,969,188 km (0.109 R)
• M29: 35,658,896 km (0.057 R)
• M30: 39,327,036 km (0.111 R)
• M31: 40,437,352 km (0.12 R)
• M32: 43,369,470 km (0.084 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 63.8

Radius: 3.7

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 6.27 AU - 7.47 AU

Year: 12213 Days

Day: 20 Hours

Environment

Temp: -224 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,962,217 km

• M1: 73,901 km (0.115 R)
• M2: 496,815 km (0.055 R)
• M3: 1,126,771 km (0.101 R)
• M4: 1,515,875 km (0.112 R)
• M5: 1,753,885 km (0.075 R)
• M6: 2,961,290 km (0.045 R)
• M7: 4,101,525 km (0.059 R)
• M8: 4,683,461 km (0.104 R)
• M9: 4,930,895 km (0.11 R)
• M10: 5,265,695 km (0.114 R)
• M11: 6,360,752 km (0.109 R)
• M12: 6,850,984 km (0.091 R)
• M13: 7,871,840 km (0.085 R)
• M14: 9,256,368 km (0.099 R)
• M15: 12,078,532 km (0.108 R)
• M16: 14,996,588 km (0.092 R)
• M17: 16,874,939 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 373

Radius: 5.2

Gravity: 13.79 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 9.59 AU - 11.29 AU

Year: 22879 Days

Day: 22.5 Hours

Environment

Temp: -246 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 67,962,217 km

• M1: 64,776 km (0.115 R)
• M2: 235,467 km (0.081 R)
• M3: 501,602 km (0.098 R)
• M4: 768,035 km (0.081 R)
• M5: 1,271,881 km (0.08 R)
• M6: 1,737,878 km (0.03 R)
• M7: 2,527,007 km (0.05 R)
• M8: 3,645,251 km (0.11 R)
• M9: 4,575,152 km (0.11 R)
• M10: 5,967,609 km (0.1 R)
• M11: 6,334,722 km (0.049 R)
• M12: 6,587,692 km (0.057 R)
• M13: 7,858,675 km (0.103 R)
• M14: 9,124,423 km (0.086 R)
• M15: 11,988,624 km (0.045 R)
• M16: 14,009,392 km (0.076 R)
• M17: 15,552,045 km (0.086 R)
• M18: 19,319,967 km (0.046 R)
• M19: 21,984,005 km (0.12 R)
• M20: 25,301,787 km (0.105 R)
• M21: 28,938,661 km (0.118 R)
• M22: 36,416,161 km (0.096 R)
• M23: 38,190,242 km (0.098 R)
• M24: 44,621,454 km (0.066 R)
• M25: 45,706,787 km (0.113 R)
• M26: 46,809,772 km (0.058 R)
• M27: 53,802,425 km (0.074 R)
• M28: 56,459,284 km (0.097 R)
• M29: 58,831,607 km (0.093 R)
• M30: 67,353,001 km (0.104 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 266 - 14,017 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit