🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.6

Radius: 11.4

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.09 AU - 1.15 AU

Year: 765 Days

Day: 6.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,165,926 km

• M1: 141,819 km (0.078 R)
• M2: 569,968 km (0.044 R)
• M3: 1,293,573 km (0.096 R)
• M4: 1,742,366 km (0.048 R)
• M5: 2,596,121 km (0.05 R)
• M6: 2,986,123 km (0.104 R)
• M7: 3,470,222 km (0.086 R)
• M8: 3,870,845 km (0.099 R)
• M9: 4,835,302 km (0.111 R)
• M10: 6,093,869 km (0.115 R)
• M11: 7,054,437 km (0.119 R)
• M12: 8,113,291 km (0.089 R)
• M13: 8,514,213 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.9

Radius: 13.4

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.18 AU - 1.72 AU

Year: 1127 Days

Day: 12 Hours

Environment

Temp: -168 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,165,926 km

• M1: 166,652 km (0.085 R)
• M2: 639,980 km (0.081 R)
• M3: 1,279,062 km (0.094 R)
• M4: 1,829,881 km (0.106 R)
• M5: 2,271,943 km (0.065 R)
• M6: 3,557,886 km (0.092 R)
• M7: 4,594,151 km (0.068 R)
• M8: 5,026,638 km (0.055 R)
• M9: 6,195,297 km (0.105 R)
• M10: 7,160,352 km (0.084 R)
• M11: 7,822,772 km (0.111 R)
• M12: 8,497,907 km (0.114 R)
• M13: 9,359,142 km (0.109 R)
• M14: 10,277,673 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.5

Radius: 12.6

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.47 AU - 2.25 AU

Year: 1638 Days

Day: 14.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,165,926 km

• M1: 156,629 km (0.08 R)
• M2: 561,441 km (0.042 R)
• M3: 996,621 km (0.053 R)
• M4: 1,810,134 km (0.117 R)
• M5: 2,294,233 km (0.112 R)
• M6: 2,706,525 km (0.103 R)
• M7: 4,550,618 km (0.114 R)
• M8: 5,298,158 km (0.116 R)
• M9: 6,125,883 km (0.106 R)
• M10: 7,512,805 km (0.101 R)
• M11: 11,961,397 km (0.067 R)
• M12: 12,397,026 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.2

Radius: 9.5

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.92 AU - 1.94 AU

Year: 1731 Days

Day: 13.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,165,926 km

• M1: 118,182 km (0.097 R)
• M2: 451,786 km (0.038 R)
• M3: 867,368 km (0.067 R)
• M4: 1,551,031 km (0.117 R)
• M5: 2,015,981 km (0.088 R)
• M6: 2,535,235 km (0.095 R)
• M7: 3,448,829 km (0.087 R)
• M8: 3,939,660 km (0.103 R)
• M9: 4,386,808 km (0.091 R)
• M10: 4,906,062 km (0.118 R)
• M11: 6,688,521 km (0.088 R)
• M12: 7,051,595 km (0.037 R)
• M13: 8,084,867 km (0.085 R)
• M14: 8,666,205 km (0.099 R)
• M15: 9,157,035 km (0.11 R)
• M16: 9,758,120 km (0.062 R)
• M17: 10,068,385 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.2

Radius: 8.6

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 3.1 AU - 4.76 AU

Year: 5030 Days

Day: 9.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,165,926 km

• M1: 106,962 km (0.036 R)
• M2: 391,498 km (0.1 R)
• M3: 897,886 km (0.051 R)
• M4: 2,117,408 km (0.107 R)
• M5: 2,547,801 km (0.101 R)
• M6: 3,070,496 km (0.079 R)
• M7: 3,682,501 km (0.084 R)
• M8: 3,965,690 km (0.047 R)
• M9: 4,808,973 km (0.06 R)
• M10: 6,550,442 km (0.051 R)
• M11: 7,276,889 km (0.087 R)
• M12: 8,997,863 km (0.028 R)
• M13: 10,050,284 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 781.7

Radius: 3.8

Gravity: 54.13 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 9.06 AU - 10.58 AU

Year: 19869 Days

Day: 24.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 79,165,926 km

• M1: 74,350 km (0.081 R)
• M2: 225,145 km (0.088 R)
• M3: 422,464 km (0.096 R)
• M4: 624,870 km (0.088 R)
• M5: 844,630 km (0.071 R)
• M6: 1,225,057 km (0.113 R)
• M7: 1,621,940 km (0.059 R)
• M8: 2,248,157 km (0.111 R)
• M9: 2,404,337 km (0.118 R)
• M10: 2,567,548 km (0.033 R)
• M11: 3,831,650 km (0.083 R)
• M12: 5,264,349 km (0.11 R)
• M13: 6,425,977 km (0.096 R)
• M14: 6,833,032 km (0.105 R)
• M15: 10,917,204 km (0.114 R)
• M16: 11,893,031 km (0.05 R)
• M17: 12,854,945 km (0.116 R)
• M18: 13,941,774 km (0.072 R)
• M19: 22,897,151 km (0.063 R)
• M20: 24,164,245 km (0.071 R)
• M21: 25,813,113 km (0.038 R)
• M22: 26,265,048 km (0.098 R)
• M23: 30,699,428 km (0.069 R)
• M24: 33,559,141 km (0.093 R)
• M25: 39,801,261 km (0.108 R)
• M26: 42,563,137 km (0.059 R)
• M27: 46,440,565 km (0.104 R)
• M28: 51,076,603 km (0.092 R)
• M29: 53,964,440 km (0.074 R)
• M30: 62,463,095 km (0.034 R)
• M31: 62,869,253 km (0.092 R)
• M32: 63,481,856 km (0.109 R)
• M33: 73,153,658 km (0.109 R)
• M34: 74,285,366 km (0.088 R)
• M35: 75,658,674 km (0.063 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: 303 - 15,476 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit