🌌 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: 211.7

Radius: 10

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.51 AU - 0.51 AU

Year: 247 Days

Day: 9.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 42,275,287 km

• M1: 124,465 km (0.055 R)
• M2: 504,145 km (0.116 R)
• M3: 978,968 km (0.032 R)
• M4: 1,652,308 km (0.106 R)
• M5: 2,056,821 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.3

Radius: 14.7

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.43 AU - 0.71 AU

Year: 292 Days

Day: 11.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 42,275,287 km

• M1: 182,958 km (0.09 R)
• M2: 737,069 km (0.102 R)
• M3: 1,211,444 km (0.079 R)
• M4: 1,726,659 km (0.086 R)
• M5: 2,390,125 km (0.064 R)
• M6: 3,364,606 km (0.079 R)
• M7: 3,903,607 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.5

Radius: 14

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.64 AU - 0.74 AU

Year: 389 Days

Day: 7.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,275,287 km

• M1: 174,132 km (0.037 R)
• M2: 614,249 km (0.094 R)
• M3: 1,058,704 km (0.11 R)
• M4: 1,509,143 km (0.058 R)
• M5: 2,015,383 km (0.025 R)
• M6: 2,458,491 km (0.096 R)
• M7: 3,211,567 km (0.084 R)
• M8: 3,683,399 km (0.078 R)
• M9: 4,164,057 km (0.107 R)
• M10: 4,605,520 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.2

Radius: 11.9

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.71 AU - 1.17 AU

Year: 618 Days

Day: 9.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,275,287 km

• M1: 147,952 km (0.106 R)
• M2: 635,193 km (0.107 R)
• M3: 1,041,949 km (0.05 R)
• M4: 1,709,156 km (0.119 R)
• M5: 2,294,083 km (0.077 R)
• M6: 2,924,339 km (0.095 R)
• M7: 3,353,386 km (0.104 R)
• M8: 3,897,324 km (0.07 R)
• M9: 4,355,392 km (0.069 R)
• M10: 5,039,503 km (0.104 R)
• M11: 5,641,186 km (0.085 R)
• M12: 6,496,587 km (0.12 R)
• M13: 7,322,816 km (0.063 R)
• M14: 7,761,586 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.7

Radius: 15

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.84 AU - 1.12 AU

Year: 658 Days

Day: 10.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,275,287 km

• M1: 186,549 km (0.105 R)
• M2: 749,037 km (0.109 R)
• M3: 1,567,187 km (0.095 R)
• M4: 2,198,042 km (0.103 R)
• M5: 2,664,488 km (0.095 R)
• M6: 3,258,690 km (0.079 R)
• M7: 3,789,164 km (0.063 R)
• M8: 4,332,205 km (0.113 R)
• M9: 4,910,999 km (0.039 R)
• M10: 5,702,671 km (0.093 R)
• M11: 6,283,260 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.4

Radius: 12.9

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.1 AU - 1.46 AU

Year: 982 Days

Day: 8.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,275,287 km

• M1: 160,519 km (0.094 R)
• M2: 578,196 km (0.049 R)
• M3: 1,060,649 km (0.075 R)
• M4: 1,472,043 km (0.116 R)
• M5: 2,094,520 km (0.092 R)
• M6: 2,539,274 km (0.106 R)
• M7: 2,966,975 km (0.1 R)
• M8: 3,384,502 km (0.088 R)
• M9: 4,068,912 km (0.102 R)
• M10: 5,267,042 km (0.082 R)
• M11: 5,735,882 km (0.119 R)
• M12: 6,322,006 km (0.088 R)
• M13: 6,828,844 km (0.093 R)
• M14: 7,288,259 km (0.118 R)
• M15: 8,459,610 km (0.107 R)
• M16: 9,104,975 km (0.099 R)
• M17: 10,026,498 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.8

Radius: 11.8

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.28 AU - 2.3 AU

Year: 2350 Days

Day: 11.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,275,287 km

• M1: 146,905 km (0.055 R)
• M2: 543,190 km (0.103 R)
• M3: 1,812,079 km (0.115 R)
• M4: 2,201,333 km (0.062 R)
• M5: 2,632,623 km (0.108 R)
• M6: 3,120,312 km (0.086 R)
• M7: 3,490,268 km (0.113 R)
• M8: 5,656,894 km (0.078 R)
• M9: 7,024,368 km (0.044 R)
• M10: 7,457,155 km (0.108 R)
• M11: 8,344,420 km (0.103 R)
• M12: 11,196,952 km (0.057 R)
• M13: 12,992,276 km (0.115 R)
• M14: 14,831,133 km (0.035 R)
• M15: 15,642,253 km (0.113 R)
• M16: 17,145,711 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 426

Radius: 5.3

Gravity: 15.17 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 6.46 AU - 7.42 AU

Year: 12400 Days

Day: 16.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 42,275,287 km

• M1: 66,721 km (0.111 R)
• M2: 336,446 km (0.072 R)
• M3: 647,160 km (0.114 R)
• M4: 914,043 km (0.118 R)
• M5: 1,134,700 km (0.069 R)
• M6: 1,377,796 km (0.106 R)
• M7: 1,625,680 km (0.103 R)
• M8: 1,870,721 km (0.095 R)
• M9: 2,247,858 km (0.119 R)
• M10: 2,474,050 km (0.099 R)
• M11: 2,736,145 km (0.092 R)
• M12: 3,152,476 km (0.112 R)
• M13: 4,596,395 km (0.112 R)
• M14: 5,445,811 km (0.08 R)
• M15: 5,925,272 km (0.091 R)
• M16: 6,139,197 km (0.059 R)
• M17: 7,086,601 km (0.091 R)
• M18: 9,751,088 km (0.045 R)
• M19: 10,251,942 km (0.115 R)
• M20: 11,523,823 km (0.114 R)
• M21: 12,838,190 km (0.064 R)
• M22: 13,136,488 km (0.064 R)
• M23: 15,289,800 km (0.077 R)
• M24: 16,033,900 km (0.087 R)
• M25: 16,310,506 km (0.071 R)
• M26: 18,714,245 km (0.082 R)
• M27: 19,881,108 km (0.091 R)
• M28: 20,280,684 km (0.075 R)
• M29: 23,671,469 km (0.054 R)
• M30: 24,301,426 km (0.09 R)
• M31: 32,312,242 km (0.078 R)
• M32: 33,874,194 km (0.088 R)
• M33: 38,612,706 km (0.098 R)
• M34: 42,443,459 km (0.066 R)
• M35: 45,408,339 km (0.038 R)
• M36: 45,684,497 km (0.082 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 231.8

Radius: 3.3

Gravity: 21.29 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 6.29 AU - 8.93 AU

Year: 14239 Days

Day: 16.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,275,287 km

• M1: 60,288 km (0.097 R)
• M2: 1,412,054 km (0.091 R)
• M3: 6,765,564 km (0.119 R)
• M4: 7,106,198 km (0.06 R)
• M5: 7,945,143 km (0.107 R)
• M6: 9,817,211 km (0.111 R)
• M7: 10,009,594 km (0.114 R)
• M8: 11,586,205 km (0.114 R)
• M9: 11,801,028 km (0.105 R)
• M10: 13,795,018 km (0.093 R)
• M11: 15,285,312 km (0.038 R)
• M12: 17,016,907 km (0.081 R)
• M13: 27,470,507 km (0.07 R)
• M14: 33,684,803 km (0.111 R)
• M15: 36,826,358 km (0.099 R)
• M16: 42,148,751 km (0.116 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 197 - 17,566 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit