🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.3

Radius: 9

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.41 AU - 0.61 AU

Year: 247 Days

Day: 8.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 80,471,350 km

• M1: 112,348 km (0.097 R)
• M2: 442,211 km (0.058 R)
• M3: 790,176 km (0.113 R)
• M4: 1,096,104 km (0.113 R)
• M5: 1,752,389 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.3

Radius: 13.5

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.56 AU - 0.9 AU

Year: 423 Days

Day: 11.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,471,350 km

• M1: 167,849 km (0.066 R)
• M2: 691,292 km (0.11 R)
• M3: 1,269,338 km (0.091 R)
• M4: 1,958,087 km (0.027 R)
• M5: 2,640,253 km (0.069 R)
• M6: 3,160,853 km (0.059 R)
• M7: 4,010,869 km (0.104 R)
• M8: 4,512,171 km (0.071 R)
• M9: 4,946,304 km (0.096 R)
• M10: 5,692,648 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175

Radius: 13.8

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.26 AU - 1.8 AU

Year: 1284 Days

Day: 10.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 80,471,350 km

• M1: 171,589 km (0.118 R)
• M2: 942,317 km (0.081 R)
• M3: 1,389,914 km (0.025 R)
• M4: 3,213,362 km (0.083 R)
• M5: 4,452,033 km (0.076 R)
• M6: 7,693,968 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.4

Radius: 13.2

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.69 AU - 2.15 AU

Year: 1804 Days

Day: 7.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,471,350 km

• M1: 164,408 km (0.077 R)
• M2: 685,308 km (0.062 R)
• M3: 1,252,882 km (0.113 R)
• M4: 1,721,124 km (0.098 R)
• M5: 3,223,236 km (0.093 R)
• M6: 4,004,286 km (0.077 R)
• M7: 5,555,018 km (0.116 R)
• M8: 6,010,094 km (0.104 R)
• M9: 8,004,533 km (0.073 R)
• M10: 9,078,646 km (0.09 R)
• M11: 9,712,343 km (0.087 R)
• M12: 10,867,238 km (0.076 R)
• M13: 11,374,674 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.1

Radius: 14.8

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.58 AU - 2.74 AU

Year: 2942 Days

Day: 11.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 80,471,350 km

• M1: 184,005 km (0.093 R)
• M2: 646,113 km (0.116 R)
• M3: 1,192,594 km (0.096 R)
• M4: 1,655,001 km (0.113 R)
• M5: 2,200,285 km (0.042 R)
• M6: 2,801,669 km (0.109 R)
• M7: 3,292,350 km (0.106 R)
• M8: 4,064,724 km (0.079 R)
• M9: 4,721,159 km (0.078 R)
• M10: 6,589,487 km (0.09 R)
• M11: 8,017,399 km (0.039 R)
• M12: 8,525,283 km (0.05 R)
• M13: 9,605,679 km (0.079 R)
• M14: 10,336,016 km (0.083 R)
• M15: 12,347,060 km (0.106 R)
• M16: 13,398,135 km (0.058 R)
• M17: 14,707,415 km (0.116 R)
• M18: 15,419,053 km (0.086 R)
• M19: 16,583,672 km (0.111 R)
• M20: 17,410,799 km (0.105 R)
• M21: 18,850,528 km (0.038 R)
• M22: 19,448,022 km (0.1 R)
• M23: 20,681,307 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.8

Radius: 10.4

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.79 AU - 4.25 AU

Year: 4479 Days

Day: 11.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 80,471,350 km

• M1: 131,048 km (0.117 R)
• M2: 1,095,356 km (0.108 R)
• M3: 1,479,822 km (0.101 R)
• M4: 2,009,099 km (0.101 R)
• M5: 2,562,462 km (0.119 R)
• M6: 3,570,602 km (0.091 R)
• M7: 4,480,606 km (0.104 R)
• M8: 5,373,855 km (0.114 R)
• M9: 5,762,809 km (0.104 R)
• M10: 6,979,339 km (0.073 R)
• M11: 7,787,018 km (0.12 R)
• M12: 8,655,882 km (0.102 R)
• M13: 10,977,492 km (0.119 R)
• M14: 14,520,269 km (0.089 R)
• M15: 17,951,894 km (0.045 R)
• M16: 19,206,571 km (0.065 R)
• M17: 20,185,241 km (0.088 R)
• M18: 22,241,912 km (0.043 R)
• M19: 22,669,463 km (0.115 R)
• M20: 25,583,330 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.9

Radius: 9.5

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 5.07 AU - 5.89 AU

Year: 8701 Days

Day: 6.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 80,471,350 km

• M1: 118,482 km (0.091 R)
• M2: 562,787 km (0.111 R)
• M3: 979,417 km (0.119 R)
• M4: 1,350,570 km (0.069 R)
• M5: 1,939,686 km (0.076 R)
• M6: 2,258,479 km (0.085 R)
• M7: 3,046,710 km (0.038 R)
• M8: 3,433,271 km (0.086 R)
• M9: 3,878,026 km (0.074 R)
• M10: 4,883,323 km (0.086 R)
• M11: 6,446,023 km (0.062 R)
• M12: 7,163,943 km (0.04 R)
• M13: 7,685,142 km (0.115 R)
• M14: 9,591,168 km (0.084 R)
• M15: 10,174,899 km (0.049 R)
• M16: 11,306,607 km (0.106 R)
• M17: 11,683,743 km (0.088 R)
• M18: 12,982,253 km (0.113 R)
• M19: 13,818,355 km (0.114 R)
• M20: 14,312,028 km (0.103 R)
• M21: 16,611,348 km (0.068 R)
• M22: 17,957,579 km (0.12 R)
• M23: 18,694,648 km (0.105 R)
• M24: 19,993,755 km (0.077 R)
• M25: 21,108,110 km (0.06 R)
• M26: 22,012,279 km (0.08 R)
• M27: 23,113,769 km (0.08 R)
• M28: 28,578,728 km (0.089 R)
• M29: 40,327,696 km (0.116 R)
• M30: 41,590,751 km (0.099 R)
• M31: 43,798,217 km (0.045 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 665.9

Radius: 5.4

Gravity: 22.84 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 9.51 AU - 10.87 AU

Year: 22062 Days

Day: 22.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 80,471,350 km

• M1: 67,319 km (0.097 R)
• M2: 243,845 km (0.098 R)
• M3: 1,137,542 km (0.114 R)
• M4: 1,597,556 km (0.101 R)
• M5: 1,967,960 km (0.103 R)
• M6: 2,628,435 km (0.056 R)
• M7: 3,514,503 km (0.111 R)
• M8: 4,239,753 km (0.06 R)
• M9: 5,731,244 km (0.088 R)
• M10: 7,200,295 km (0.064 R)
• M11: 7,842,519 km (0.069 R)
• M12: 8,047,468 km (0.116 R)
• M13: 9,070,867 km (0.112 R)
• M14: 9,353,906 km (0.03 R)
• M15: 11,178,102 km (0.034 R)
• M16: 11,569,451 km (0.047 R)
• M17: 13,517,514 km (0.108 R)
• M18: 14,957,394 km (0.1 R)
• M19: 15,273,195 km (0.078 R)
• M20: 16,164,200 km (0.061 R)
• M21: 18,587,984 km (0.092 R)
• M22: 18,769,895 km (0.051 R)
• M23: 19,509,208 km (0.061 R)
• M24: 23,499,731 km (0.042 R)
• M25: 24,249,815 km (0.118 R)
• M26: 26,137,590 km (0.078 R)
• M27: 37,930,391 km (0.108 R)
• M28: 38,961,569 km (0.113 R)
• M29: 42,167,301 km (0.112 R)
• M30: 44,561,915 km (0.03 R)
• M31: 48,924,338 km (0.114 R)
• M32: 66,424,297 km (0.12 R)
• M33: 71,203,650 km (0.104 R)
• M34: 76,907,218 km (0.16 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: 383 - 11,452 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit