🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.2

Radius: 12.7

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.15 AU - 1.71 AU

Year: 1180 Days

Day: 14.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,459,813 km

• M1: 159,471 km (0.061 R)
• M2: 768,634 km (0.113 R)
• M3: 1,227,750 km (0.098 R)
• M4: 1,653,655 km (0.072 R)
• M5: 2,447,272 km (0.117 R)
• M6: 2,925,386 km (0.116 R)
• M7: 5,023,646 km (0.081 R)
• M8: 5,758,620 km (0.115 R)
• M9: 6,468,462 km (0.088 R)
• M10: 8,118,527 km (0.118 R)
• M11: 10,001,665 km (0.035 R)
• M12: 12,529,719 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.3

Radius: 13.2

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.07 AU - 3.23 AU

Year: 2978 Days

Day: 5.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,459,813 km

• M1: 164,258 km (0.106 R)
• M2: 636,988 km (0.078 R)
• M3: 1,269,637 km (0.085 R)
• M4: 1,934,151 km (0.042 R)
• M5: 2,464,775 km (0.108 R)
• M6: 3,023,074 km (0.118 R)
• M7: 3,645,551 km (0.117 R)
• M8: 4,508,880 km (0.091 R)
• M9: 5,173,693 km (0.115 R)
• M10: 5,876,055 km (0.07 R)
• M11: 7,001,928 km (0.039 R)
• M12: 8,474,271 km (0.097 R)
• M13: 11,077,872 km (0.078 R)
• M14: 13,116,592 km (0.11 R)
• M15: 13,783,948 km (0.118 R)
• M16: 14,929,419 km (0.113 R)
• M17: 16,137,422 km (0.098 R)
• M18: 17,015,411 km (0.067 R)
• M19: 20,152,778 km (0.091 R)
• M20: 20,913,483 km (0.094 R)
• M21: 21,431,092 km (0.094 R)
• M22: 22,424,721 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.4

Radius: 9.3

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.52 AU - 4.04 AU

Year: 4100 Days

Day: 10.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,459,813 km

• M1: 115,639 km (0.086 R)
• M2: 449,691 km (0.068 R)
• M3: 828,772 km (0.1 R)
• M4: 1,397,095 km (0.04 R)
• M5: 2,013,438 km (0.095 R)
• M6: 2,608,987 km (0.096 R)
• M7: 4,485,692 km (0.111 R)
• M8: 4,897,984 km (0.106 R)
• M9: 9,403,573 km (0.102 R)
• M10: 9,861,791 km (0.054 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 993.2

Radius: 6.5

Gravity: 23.51 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 6.29 AU - 8.09 AU

Year: 13308 Days

Day: 20.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 72,459,813 km

• M1: 80,783 km (0.074 R)
• M2: 284,834 km (0.062 R)
• M3: 559,496 km (0.104 R)
• M4: 899,382 km (0.12 R)
• M5: 1,385,575 km (0.114 R)
• M6: 1,663,229 km (0.111 R)
• M7: 2,149,422 km (0.115 R)
• M8: 2,772,797 km (0.12 R)
• M9: 3,038,632 km (0.091 R)
• M10: 4,090,455 km (0.081 R)
• M11: 4,599,087 km (0.098 R)
• M12: 5,113,405 km (0.067 R)
• M13: 5,975,388 km (0.109 R)
• M14: 6,296,874 km (0.07 R)
• M15: 6,672,215 km (0.057 R)
• M16: 7,195,807 km (0.086 R)
• M17: 7,559,779 km (0.072 R)
• M18: 9,298,555 km (0.104 R)
• M19: 12,805,727 km (0.048 R)
• M20: 13,820,450 km (0.111 R)
• M21: 15,554,139 km (0.061 R)
• M22: 17,105,469 km (0.11 R)
• M23: 18,001,411 km (0.1 R)
• M24: 19,797,782 km (0.067 R)
• M25: 20,967,937 km (0.12 R)
• M26: 34,662,874 km (0.118 R)
• M27: 35,831,383 km (0.113 R)
• M28: 44,908,383 km (0.03 R)
• M29: 46,922,120 km (0.111 R)
• M30: 50,136,679 km (0.096 R)
• M31: 54,531,117 km (0.114 R)
• M32: 59,175,532 km (0.107 R)
• M33: 62,540,886 km (0.089 R)
• M34: 64,853,968 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 331

Radius: 3.9

Gravity: 21.76 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 7.04 AU - 8.3 AU

Year: 14662 Days

Day: 15.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,459,813 km

• M1: 48,619 km (0.081 R)
• M2: 262,395 km (0.116 R)
• M3: 413,638 km (0.113 R)
• M4: 586,274 km (0.11 R)
• M5: 881,431 km (0.097 R)
• M6: 1,578,856 km (0.089 R)
• M7: 1,937,891 km (0.092 R)
• M8: 3,539,934 km (0.053 R)
• M9: 5,895,054 km (0.084 R)
• M10: 10,110,422 km (0.106 R)
• M11: 12,059,832 km (0.09 R)
• M12: 12,583,724 km (0.068 R)
• M13: 13,991,141 km (0.112 R)
• M14: 14,634,561 km (0.09 R)
• M15: 18,682,979 km (0.114 R)
• M16: 20,426,392 km (0.115 R)
• M17: 26,592,966 km (0.027 R)
• M18: 28,080,268 km (0.108 R)
• M19: 32,872,935 km (0.118 R)
• M20: 34,933,496 km (0.074 R)
• M21: 35,639,000 km (0.118 R)
• M22: 37,935,776 km (0.093 R)
• M23: 43,629,471 km (0.111 R)
• M24: 47,677,739 km (0.052 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 853.1

Radius: 4.3

Gravity: 46.14 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 7.56 AU - 9.14 AU

Year: 16655 Days

Day: 20.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,459,813 km

• M1: 61,036 km (0.047 R)
• M2: 220,058 km (0.062 R)
• M3: 1,677,291 km (0.085 R)
• M4: 2,189,664 km (0.096 R)
• M5: 2,338,215 km (0.107 R)
• M6: 3,811,006 km (0.109 R)
• M7: 5,891,015 km (0.108 R)
• M8: 7,813,347 km (0.072 R)
• M9: 9,050,073 km (0.09 R)
• M10: 11,645,895 km (0.101 R)
• M11: 11,839,175 km (0.087 R)
• M12: 12,431,583 km (0.119 R)
• M13: 17,060,590 km (0.07 R)
• M14: 23,839,617 km (0.083 R)
• M15: 26,742,564 km (0.079 R)
• M16: 39,539,465 km (0.109 R)
• M17: 41,454,468 km (0.087 R)
• M18: 55,885,725 km (0.119 R)
• M19: 65,728,816 km (0.103 R)
• M20: 66,341,420 km (0.06 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 250 - 10,815 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit