🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.3

Radius: 10

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.66 AU - 0.66 AU

Year: 377 Days

Day: 9 Hours

Environment

Temp: -157 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,012,028 km

• M1: 124,316 km (0.081 R)
• M2: 490,531 km (0.091 R)
• M3: 810,970 km (0.116 R)
• M4: 1,579,903 km (0.114 R)
• M5: 2,054,428 km (0.057 R)
• M6: 2,528,653 km (0.087 R)
• M7: 2,990,461 km (0.037 R)
• M8: 3,721,845 km (0.095 R)
• M9: 4,110,501 km (0.083 R)
• M10: 4,567,971 km (0.093 R)
• M11: 5,119,239 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.7

Radius: 14.3

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.07 AU - 1.57 AU

Year: 1066 Days

Day: 10.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 55.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,012,028 km

• M1: 177,872 km (0.062 R)
• M2: 626,665 km (0.089 R)
• M3: 1,168,808 km (0.095 R)
• M4: 1,618,649 km (0.111 R)
• M5: 2,279,423 km (0.028 R)
• M6: 3,116,423 km (0.093 R)
• M7: 4,119,028 km (0.052 R)
• M8: 4,730,733 km (0.085 R)
• M9: 5,196,432 km (0.087 R)
• M10: 5,811,877 km (0.109 R)
• M11: 6,475,643 km (0.113 R)
• M12: 7,074,783 km (0.061 R)
• M13: 8,180,760 km (0.091 R)
• M14: 8,935,481 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.1

Radius: 12.3

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.43 AU - 4.01 AU

Year: 5043 Days

Day: 8.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 83,012,028 km

• M1: 175,478 km (0.079 R)
• M2: 809,324 km (0.095 R)
• M3: 1,795,623 km (0.061 R)
• M4: 2,352,277 km (0.1 R)
• M5: 2,871,232 km (0.116 R)
• M6: 3,423,996 km (0.074 R)
• M7: 5,727,055 km (0.105 R)
• M8: 7,648,341 km (0.067 R)
• M9: 9,038,404 km (0.046 R)
• M10: 11,622,558 km (0.119 R)
• M11: 12,515,807 km (0.077 R)
• M12: 14,327,586 km (0.109 R)
• M13: 17,619,188 km (0.049 R)
• M14: 19,134,316 km (0.088 R)
• M15: 21,311,563 km (0.083 R)
• M16: 21,751,381 km (0.06 R)
• M17: 23,649,329 km (0.11 R)
• M18: 24,438,607 km (0.095 R)
• M19: 25,573,008 km (0.119 R)
• M20: 31,968,167 km (0.078 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 733.2

Radius: 4.5

Gravity: 36.21 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 5.23 AU - 6.31 AU

Year: 9743 Days

Day: 21.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 83,012,028 km

• M1: 56,548 km (0.094 R)
• M2: 260,599 km (0.065 R)
• M3: 441,015 km (0.068 R)
• M4: 781,200 km (0.083 R)
• M5: 972,087 km (0.097 R)
• M6: 1,677,890 km (0.101 R)
• M7: 2,032,437 km (0.114 R)
• M8: 2,245,913 km (0.065 R)
• M9: 2,396,408 km (0.06 R)
• M10: 3,348,898 km (0.103 R)
• M11: 3,571,200 km (0.111 R)
• M12: 4,710,239 km (0.057 R)
• M13: 5,615,156 km (0.05 R)
• M14: 6,823,458 km (0.093 R)
• M15: 7,719,250 km (0.116 R)
• M16: 8,463,200 km (0.082 R)
• M17: 9,691,848 km (0.073 R)
• M18: 13,643,176 km (0.047 R)
• M19: 15,867,248 km (0.111 R)
• M20: 16,849,358 km (0.079 R)
• M21: 17,282,444 km (0.065 R)
• M22: 19,166,928 km (0.082 R)
• M23: 19,797,782 km (0.111 R)
• M24: 21,267,581 km (0.066 R)
• M25: 21,603,877 km (0.112 R)
• M26: 25,919,776 km (0.086 R)
• M27: 28,685,093 km (0.039 R)
• M28: 30,991,144 km (0.084 R)
• M29: 34,677,385 km (0.097 R)
• M30: 39,397,946 km (0.053 R)
• M31: 44,392,271 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 991.1

Radius: 4.5

Gravity: 48.94 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 7.25 AU - 10.73 AU

Year: 18947 Days

Day: 23.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 83,012,028 km

• M1: 55,950 km (0.079 R)
• M2: 221,854 km (0.084 R)
• M3: 421,866 km (0.108 R)
• M4: 616,044 km (0.087 R)
• M5: 891,903 km (0.108 R)
• M6: 1,447,808 km (0.1 R)
• M7: 2,100,205 km (0.073 R)
• M8: 2,774,293 km (0.036 R)
• M9: 3,767,323 km (0.078 R)
• M10: 4,326,520 km (0.095 R)
• M11: 4,939,123 km (0.108 R)
• M12: 6,028,046 km (0.11 R)
• M13: 7,268,063 km (0.045 R)
• M14: 7,415,566 km (0.117 R)
• M15: 9,403,273 km (0.11 R)
• M16: 9,995,980 km (0.09 R)
• M17: 16,834,847 km (0.074 R)
• M18: 17,885,024 km (0.068 R)
• M19: 18,244,657 km (0.092 R)
• M20: 18,885,385 km (0.084 R)
• M21: 23,797,281 km (0.092 R)
• M22: 24,451,622 km (0.08 R)
• M23: 31,799,720 km (0.074 R)
• M24: 41,424,249 km (0.092 R)
• M25: 42,529,478 km (0.054 R)
• M26: 43,169,757 km (0.075 R)
• M27: 43,979,081 km (0.109 R)
• M28: 45,461,447 km (0.112 R)
• M29: 47,489,096 km (0.117 R)
• M30: 48,873,924 km (0.105 R)
• M31: 57,557,332 km (0.111 R)
• M32: 60,530,889 km (0.105 R)
• M33: 64,652,909 km (0.096 R)
• M34: 64,863,692 km (0.1 R)
• M35: 71,405,308 km (0.113 R)
• M36: 72,309,328 km (0.071 R)
• M37: 74,834,988 km (0.173 R)
• M38: 78,133,621 km (0.112 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 283 - 18,550 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit