🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422

Radius: 11.6

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.57 AU - 0.63 AU

Year: 315 Days

Day: 14.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,977,383 km

• M1: 145,110 km (0.103 R)
• M2: 559,646 km (0.109 R)
• M3: 926,160 km (0.077 R)
• M4: 1,479,224 km (0.112 R)
• M5: 2,192,058 km (0.11 R)
• M6: 3,083,063 km (0.057 R)
• M7: 3,457,207 km (0.115 R)
• M8: 3,850,350 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.7

Radius: 8.7

Gravity: 12.84 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.6 AU - 0.72 AU

Year: 364 Days

Day: 11.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,977,383 km

• M1: 108,458 km (0.047 R)
• M2: 463,155 km (0.05 R)
• M3: 803,640 km (0.053 R)
• M4: 1,121,984 km (0.11 R)
• M5: 1,464,713 km (0.101 R)
• M6: 1,784,254 km (0.036 R)
• M7: 2,211,805 km (0.113 R)
• M8: 2,937,055 km (0.105 R)
• M9: 3,249,864 km (0.087 R)
• M10: 3,584,963 km (0.038 R)
• M11: 4,117,382 km (0.085 R)
• M12: 4,776,361 km (0.115 R)
• M13: 5,470,794 km (0.093 R)

Asteroid Belt

Center: 2.23 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.5

Radius: 15

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.98 AU - 4.62 AU

Year: 5024 Days

Day: 9.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,977,383 km

• M1: 190,737 km (0.032 R)
• M2: 730,486 km (0.092 R)
• M3: 1,228,797 km (0.052 R)
• M4: 1,785,600 km (0.082 R)
• M5: 2,759,034 km (0.093 R)
• M6: 3,670,384 km (0.071 R)
• M7: 4,910,700 km (0.09 R)
• M8: 6,060,060 km (0.087 R)
• M9: 7,787,916 km (0.083 R)
• M10: 8,484,443 km (0.06 R)
• M11: 9,013,122 km (0.113 R)
• M12: 11,111,083 km (0.114 R)
• M13: 13,959,426 km (0.096 R)
• M14: 16,377,825 km (0.115 R)
• M15: 18,182,424 km (0.087 R)
• M16: 19,202,083 km (0.091 R)
• M17: 20,475,760 km (0.106 R)
• M18: 21,504,694 km (0.089 R)
• M19: 22,108,022 km (0.12 R)
• M20: 25,046,723 km (0.08 R)
• M21: 26,825,741 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.8

Radius: 14.8

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 3.03 AU - 4.83 AU

Year: 5284 Days

Day: 11.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,977,383 km

• M1: 184,005 km (0.064 R)
• M2: 724,054 km (0.035 R)
• M3: 1,471,744 km (0.091 R)
• M4: 2,162,138 km (0.1 R)
• M5: 3,063,615 km (0.044 R)
• M6: 4,204,149 km (0.056 R)
• M7: 4,872,851 km (0.109 R)
• M8: 5,854,064 km (0.078 R)
• M9: 7,208,523 km (0.117 R)
• M10: 9,641,134 km (0.087 R)
• M11: 10,762,220 km (0.085 R)
• M12: 11,234,351 km (0.084 R)
• M13: 14,707,415 km (0.11 R)
• M14: 15,230,858 km (0.095 R)
• M15: 16,687,942 km (0.117 R)
• M16: 19,320,565 km (0.063 R)
• M17: 20,591,100 km (0.112 R)
• M18: 22,524,054 km (0.086 R)
• M19: 23,220,432 km (0.11 R)
• M20: 23,851,585 km (0.067 R)
• M21: 25,230,728 km (0.106 R)
• M22: 31,474,046 km (0.111 R)
• M23: 32,442,841 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.8

Radius: 9.8

Gravity: 8.78 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 4.54 AU - 4.68 AU

Year: 6713 Days

Day: 7.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 71,977,383 km

• M1: 121,922 km (0.082 R)
• M2: 1,011,730 km (0.072 R)
• M3: 1,337,255 km (0.101 R)
• M4: 1,651,261 km (0.069 R)
• M5: 2,126,534 km (0.042 R)
• M6: 2,948,125 km (0.095 R)
• M7: 3,264,974 km (0.089 R)
• M8: 3,651,834 km (0.091 R)
• M9: 4,197,716 km (0.072 R)
• M10: 4,999,710 km (0.048 R)
• M11: 6,653,365 km (0.117 R)
• M12: 7,353,932 km (0.108 R)
• M13: 8,391,393 km (0.115 R)
• M14: 10,903,142 km (0.077 R)
• M15: 11,929,233 km (0.081 R)
• M16: 13,587,376 km (0.066 R)
• M17: 15,020,374 km (0.086 R)
• M18: 16,224,338 km (0.12 R)
• M19: 16,750,174 km (0.102 R)
• M20: 17,835,806 km (0.094 R)
• M21: 19,773,099 km (0.079 R)
• M22: 21,926,261 km (0.112 R)
• M23: 22,407,218 km (0.105 R)
• M24: 23,141,743 km (0.114 R)
• M25: 24,061,322 km (0.076 R)
• M26: 26,784,003 km (0.116 R)
• M27: 33,041,981 km (0.106 R)
• M28: 33,462,800 km (0.104 R)
• M29: 34,100,535 km (0.112 R)
• M30: 35,181,380 km (0.055 R)
• M31: 39,262,111 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.4

Radius: 10

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 4.52 AU - 5.9 AU

Year: 8066 Days

Day: 14.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,977,383 km

• M1: 124,316 km (0.112 R)
• M2: 559,047 km (0.075 R)
• M3: 885,769 km (0.105 R)
• M4: 1,854,864 km (0.076 R)
• M5: 2,273,140 km (0.096 R)
• M6: 2,669,125 km (0.1 R)
• M7: 3,037,136 km (0.037 R)
• M8: 6,397,553 km (0.083 R)
• M9: 7,393,127 km (0.096 R)
• M10: 7,910,586 km (0.106 R)
• M11: 9,017,760 km (0.092 R)
• M12: 10,309,537 km (0.042 R)
• M13: 11,766,621 km (0.063 R)
• M14: 24,846,710 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 430.6

Radius: 3.8

Gravity: 29.82 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 8.09 AU - 12.99 AU

Year: 23209 Days

Day: 20.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 71,977,383 km

• M1: 82,728 km (0.064 R)
• M2: 216,468 km (0.088 R)
• M3: 358,736 km (0.111 R)
• M4: 510,129 km (0.094 R)
• M5: 911,051 km (0.108 R)
• M6: 1,054,067 km (0.115 R)
• M7: 1,893,909 km (0.109 R)
• M8: 2,295,430 km (0.053 R)
• M9: 2,585,500 km (0.079 R)
• M10: 3,265,273 km (0.082 R)
• M11: 3,545,021 km (0.099 R)
• M12: 4,248,729 km (0.062 R)
• M13: 4,480,307 km (0.049 R)
• M14: 5,886,676 km (0.093 R)
• M15: 6,174,503 km (0.065 R)
• M16: 8,509,725 km (0.044 R)
• M17: 8,877,586 km (0.072 R)
• M18: 9,310,971 km (0.096 R)
• M19: 10,161,136 km (0.077 R)
• M20: 10,877,710 km (0.057 R)
• M21: 12,410,639 km (0.094 R)
• M22: 13,158,928 km (0.108 R)
• M23: 14,300,659 km (0.087 R)
• M24: 14,670,465 km (0.106 R)
• M25: 15,122,699 km (0.088 R)
• M26: 16,697,366 km (0.081 R)
• M27: 17,608,268 km (0.066 R)
• M28: 18,991,898 km (0.052 R)
• M29: 22,070,922 km (0.072 R)
• M30: 23,268,303 km (0.113 R)
• M31: 23,574,380 km (0.048 R)
• M32: 25,791,870 km (0.11 R)
• M33: 28,375,724 km (0.077 R)
• M34: 31,872,724 km (0.058 R)
• M35: 35,917,102 km (0.108 R)
• M36: 36,053,087 km (0.082 R)
• M37: 36,737,497 km (0.11 R)
• M38: 41,623,513 km (0.085 R)
• M39: 42,225,345 km (0.09 R)
• M40: 46,925,112 km (0.075 R)
• M41: 47,413,400 km (0.111 R)
• M42: 48,234,841 km (0.085 R)
• M43: 48,732,105 km (0.084 R)
• M44: 50,244,689 km (0.103 R)
• M45: 60,942,582 km (0.118 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 434 - 15,966 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit