🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.3

Radius: 10.3

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.09 AU - 1.09 AU

Year: 772 Days

Day: 12.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,545,587 km

• M1: 128,056 km (0.111 R)
• M2: 527,033 km (0.09 R)
• M3: 1,018,462 km (0.075 R)
• M4: 1,355,806 km (0.046 R)
• M5: 3,233,408 km (0.115 R)
• M6: 3,610,993 km (0.116 R)
• M7: 4,194,425 km (0.114 R)
• M8: 4,686,153 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.8

Radius: 14

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.08 AU - 2.22 AU

Year: 2138 Days

Day: 5.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,545,587 km

• M1: 174,132 km (0.053 R)
• M2: 640,428 km (0.088 R)
• M3: 1,095,056 km (0.108 R)
• M4: 1,530,835 km (0.087 R)
• M5: 2,030,342 km (0.1 R)
• M6: 2,573,233 km (0.099 R)
• M7: 3,243,731 km (0.088 R)
• M8: 3,957,163 km (0.07 R)
• M9: 4,753,173 km (0.112 R)
• M10: 5,451,646 km (0.074 R)
• M11: 6,049,439 km (0.105 R)
• M12: 8,615,192 km (0.092 R)
• M13: 9,078,347 km (0.101 R)
• M14: 11,427,632 km (0.109 R)
• M15: 11,911,880 km (0.063 R)
• M16: 13,203,508 km (0.055 R)
• M17: 13,862,337 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.5

Radius: 8.5

Gravity: 10.25 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 4.31 AU - 6.89 AU

Year: 8988 Days

Day: 6.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 55,545,587 km

• M1: 111,151 km (0.052 R)
• M2: 528,978 km (0.081 R)
• M3: 1,119,890 km (0.048 R)
• M4: 1,808,937 km (0.119 R)
• M5: 2,497,088 km (0.041 R)
• M6: 3,164,893 km (0.102 R)
• M7: 3,816,690 km (0.116 R)
• M8: 5,385,374 km (0.081 R)
• M9: 5,717,331 km (0.046 R)
• M10: 5,992,741 km (0.08 R)
• M11: 6,349,532 km (0.076 R)
• M12: 7,424,243 km (0.102 R)
• M13: 7,878,123 km (0.095 R)
• M14: 8,978,415 km (0.045 R)
• M15: 9,589,672 km (0.087 R)
• M16: 12,892,344 km (0.064 R)
• M17: 14,226,608 km (0.071 R)
• M18: 15,253,298 km (0.114 R)
• M19: 16,054,993 km (0.095 R)
• M20: 18,034,771 km (0.058 R)
• M21: 18,779,619 km (0.101 R)
• M22: 19,159,747 km (0.065 R)
• M23: 21,055,900 km (0.085 R)
• M24: 21,798,055 km (0.078 R)
• M25: 22,217,977 km (0.116 R)
• M26: 23,073,826 km (0.071 R)
• M27: 24,040,527 km (0.111 R)
• M28: 26,813,773 km (0.112 R)
• M29: 27,783,765 km (0.072 R)
• M30: 32,439,550 km (0.065 R)
• M31: 32,986,929 km (0.102 R)
• M32: 34,552,471 km (0.118 R)
• M33: 36,637,267 km (0.107 R)
• M34: 37,230,871 km (0.09 R)
• M35: 38,681,970 km (0.116 R)
• M36: 39,297,416 km (0.088 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 626.4

Radius: 6.8

Gravity: 13.55 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 5.59 AU - 6.53 AU

Year: 10118 Days

Day: 20.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 55,545,587 km

• M1: 84,523 km (0.082 R)
• M2: 310,565 km (0.077 R)
• M3: 916,736 km (0.067 R)
• M4: 1,214,286 km (0.1 R)
• M5: 1,478,925 km (0.113 R)
• M6: 1,812,977 km (0.053 R)
• M7: 2,214,198 km (0.1 R)
• M8: 2,494,096 km (0.053 R)
• M9: 2,947,377 km (0.084 R)
• M10: 3,193,915 km (0.1 R)
• M11: 4,851,609 km (0.042 R)
• M12: 6,590,235 km (0.106 R)
• M13: 7,332,689 km (0.117 R)
• M14: 8,043,130 km (0.117 R)
• M15: 9,029,428 km (0.061 R)
• M16: 10,866,191 km (0.067 R)
• M17: 11,348,046 km (0.106 R)
• M18: 12,069,257 km (0.113 R)
• M19: 12,354,540 km (0.11 R)
• M20: 13,663,821 km (0.083 R)
• M21: 15,261,077 km (0.09 R)
• M22: 19,128,631 km (0.104 R)
• M23: 19,594,927 km (0.108 R)
• M24: 27,236,536 km (0.094 R)
• M25: 30,064,086 km (0.104 R)
• M26: 31,873,023 km (0.094 R)
• M27: 33,753,319 km (0.103 R)
• M28: 36,651,030 km (0.094 R)
• M29: 37,491,022 km (0.067 R)
• M30: 37,733,520 km (0.106 R)
• M31: 38,098,987 km (0.106 R)
• M32: 38,837,103 km (0.118 R)
• M33: 40,724,131 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 598.1

Radius: 7.1

Gravity: 11.86 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 6.68 AU - 7.9 AU

Year: 13350 Days

Day: 24.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 55,545,587 km

• M1: 88,263 km (0.116 R)
• M2: 411,693 km (0.118 R)
• M3: 771,925 km (0.109 R)
• M4: 1,051,823 km (0.094 R)
• M5: 1,772,585 km (0.108 R)
• M6: 2,874,673 km (0.082 R)
• M7: 3,155,468 km (0.12 R)
• M8: 4,167,797 km (0.107 R)
• M9: 4,844,727 km (0.086 R)
• M10: 5,664,224 km (0.084 R)
• M11: 6,298,370 km (0.038 R)
• M12: 9,214,780 km (0.087 R)
• M13: 11,362,557 km (0.099 R)
• M14: 12,127,002 km (0.074 R)
• M15: 12,491,273 km (0.08 R)
• M16: 14,021,360 km (0.057 R)
• M17: 15,178,050 km (0.047 R)
• M18: 18,705,419 km (0.108 R)
• M19: 20,021,132 km (0.041 R)
• M20: 20,444,494 km (0.083 R)
• M21: 20,701,503 km (0.1 R)
• M22: 22,018,712 km (0.07 R)
• M23: 22,288,736 km (0.049 R)
• M24: 26,002,803 km (0.12 R)
• M25: 27,017,675 km (0.106 R)
• M26: 30,553,869 km (0.07 R)
• M27: 42,155,483 km (0.103 R)
• M28: 43,413,152 km (0.093 R)
• M29: 45,419,110 km (0.094 R)
• M30: 51,331,368 km (0.09 R)
• M31: 52,124,685 km (0.095 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 487 - 11,544 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit