🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.5

Radius: 12

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.48 AU - 0.78 AU

Year: 333 Days

Day: 14.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,044,869 km

• M1: 149,299 km (0.078 R)
• M2: 579,841 km (0.109 R)
• M3: 1,004,101 km (0.102 R)
• M4: 1,506,600 km (0.073 R)
• M5: 1,934,600 km (0.097 R)
• M6: 2,473,002 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.7

Radius: 14.7

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.09 AU - 2.11 AU

Year: 2029 Days

Day: 8.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,044,869 km

• M1: 207,043 km (0.032 R)
• M2: 1,315,713 km (0.071 R)
• M3: 3,205,583 km (0.079 R)
• M4: 4,770,227 km (0.119 R)
• M5: 6,589,637 km (0.12 R)
• M6: 7,771,759 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.5

Radius: 8.8

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.21 AU - 2.71 AU

Year: 2573 Days

Day: 10.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,044,869 km

• M1: 114,143 km (0.074 R)
• M2: 700,567 km (0.057 R)
• M3: 1,319,304 km (0.114 R)
• M4: 1,679,386 km (0.066 R)
• M5: 2,572,036 km (0.101 R)
• M6: 3,335,285 km (0.089 R)
• M7: 4,301,088 km (0.108 R)
• M8: 4,752,724 km (0.101 R)
• M9: 5,281,254 km (0.109 R)
• M10: 6,248,703 km (0.071 R)
• M11: 7,104,104 km (0.036 R)
• M12: 7,855,085 km (0.03 R)
• M13: 8,657,827 km (0.105 R)
• M14: 10,390,021 km (0.119 R)
• M15: 11,166,284 km (0.049 R)
• M16: 12,020,339 km (0.107 R)
• M17: 13,814,615 km (0.111 R)
• M18: 15,732,909 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454

Radius: 10.4

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.07 AU - 3.19 AU

Year: 3693 Days

Day: 8.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,044,869 km

• M1: 130,749 km (0.061 R)
• M2: 471,532 km (0.119 R)
• M3: 918,830 km (0.118 R)
• M4: 1,963,173 km (0.08 R)
• M5: 2,349,135 km (0.091 R)
• M6: 2,706,973 km (0.117 R)
• M7: 3,764,780 km (0.057 R)
• M8: 4,322,630 km (0.093 R)
• M9: 4,655,935 km (0.106 R)
• M10: 5,734,236 km (0.118 R)
• M11: 6,417,150 km (0.07 R)
• M12: 8,176,571 km (0.088 R)
• M13: 9,367,819 km (0.028 R)
• M14: 10,631,173 km (0.078 R)
• M15: 12,004,780 km (0.096 R)
• M16: 12,847,465 km (0.097 R)
• M17: 15,355,473 km (0.095 R)
• M18: 16,996,712 km (0.117 R)
• M19: 17,438,773 km (0.104 R)
• M20: 19,283,614 km (0.111 R)
• M21: 20,069,003 km (0.075 R)
• M22: 21,382,622 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.6

Radius: 12.2

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 3.23 AU - 4.59 AU

Year: 5156 Days

Day: 5.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,044,869 km

• M1: 151,692 km (0.104 R)
• M2: 621,280 km (0.109 R)
• M3: 1,691,054 km (0.104 R)
• M4: 2,250,850 km (0.077 R)
• M5: 2,708,918 km (0.099 R)
• M6: 3,311,947 km (0.092 R)
• M7: 4,868,962 km (0.065 R)
• M8: 7,692,023 km (0.084 R)
• M9: 9,407,612 km (0.036 R)
• M10: 10,469,607 km (0.068 R)
• M11: 10,887,883 km (0.109 R)
• M12: 13,149,204 km (0.05 R)
• M13: 14,192,200 km (0.075 R)
• M14: 15,647,638 km (0.104 R)
• M15: 18,921,587 km (0.096 R)
• M16: 25,684,010 km (0.107 R)
• M17: 28,734,460 km (0.055 R)
• M18: 32,605,604 km (0.096 R)
• M19: 33,100,324 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.4

Radius: 11.3

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 4.3 AU - 4.94 AU

Year: 6622 Days

Day: 11.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,044,869 km

• M1: 140,472 km (0.117 R)
• M2: 1,194,838 km (0.09 R)
• M3: 1,983,668 km (0.098 R)
• M4: 2,869,586 km (0.096 R)
• M5: 3,325,411 km (0.104 R)
• M6: 4,021,490 km (0.085 R)
• M7: 5,410,656 km (0.105 R)
• M8: 7,126,244 km (0.058 R)
• M9: 7,874,084 km (0.085 R)
• M10: 8,640,474 km (0.094 R)
• M11: 9,110,062 km (0.113 R)
• M12: 11,800,280 km (0.046 R)
• M13: 12,803,932 km (0.098 R)
• M14: 17,499,660 km (0.093 R)
• M15: 18,143,828 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.2

Radius: 14.1

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 5.01 AU - 6 AU

Year: 8601 Days

Day: 6.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 60,044,869 km

• M1: 176,077 km (0.078 R)
• M2: 629,059 km (0.079 R)
• M3: 1,155,045 km (0.087 R)
• M4: 2,686,778 km (0.064 R)
• M5: 3,200,497 km (0.09 R)
• M6: 3,935,471 km (0.045 R)
• M7: 4,661,470 km (0.113 R)
• M8: 5,344,234 km (0.088 R)
• M9: 7,674,520 km (0.109 R)
• M10: 8,317,043 km (0.11 R)
• M11: 9,515,771 km (0.078 R)
• M12: 10,207,362 km (0.044 R)
• M13: 11,361,809 km (0.082 R)
• M14: 12,369,650 km (0.047 R)
• M15: 17,005,688 km (0.108 R)
• M16: 19,395,962 km (0.11 R)
• M17: 21,081,631 km (0.047 R)
• M18: 22,344,088 km (0.038 R)
• M19: 25,019,496 km (0.038 R)
• M20: 26,434,243 km (0.104 R)
• M21: 32,409,631 km (0.108 R)
• M22: 34,318,500 km (0.037 R)
• M23: 39,354,413 km (0.093 R)
• M24: 39,858,258 km (0.071 R)
• M25: 41,266,273 km (0.065 R)
• M26: 42,839,893 km (0.085 R)
• M27: 45,967,087 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 905.9

Radius: 5.7

Gravity: 27.88 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 6.46 AU - 7.42 AU

Year: 12192 Days

Day: 17.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 60,044,869 km

• M1: 71,358 km (0.096 R)
• M2: 253,718 km (0.051 R)
• M3: 488,736 km (0.108 R)
• M4: 839,394 km (0.057 R)
• M5: 1,088,923 km (0.088 R)
• M6: 1,564,046 km (0.032 R)
• M7: 2,091,977 km (0.095 R)
• M8: 2,325,648 km (0.043 R)
• M9: 2,576,674 km (0.119 R)
• M10: 2,915,962 km (0.084 R)
• M11: 4,642,471 km (0.085 R)
• M12: 7,126,693 km (0.096 R)
• M13: 8,949,244 km (0.046 R)
• M14: 11,353,880 km (0.115 R)
• M15: 11,651,879 km (0.087 R)
• M16: 12,896,084 km (0.086 R)
• M17: 14,503,065 km (0.094 R)
• M18: 16,389,644 km (0.107 R)
• M19: 17,079,140 km (0.112 R)
• M20: 21,809,425 km (0.12 R)
• M21: 25,575,402 km (0.119 R)
• M22: 25,779,453 km (0.105 R)
• M23: 27,238,182 km (0.11 R)
• M24: 27,772,246 km (0.089 R)
• M25: 28,531,605 km (0.046 R)
• M26: 35,364,338 km (0.074 R)
• M27: 42,066,323 km (0.106 R)
• M28: 42,493,425 km (0.036 R)
• M29: 42,779,605 km (0.095 R)
• M30: 43,646,376 km (0.08 R)
• M31: 47,537,416 km (0.116 R)
• M32: 49,408,886 km (0.067 R)
• M33: 56,517,926 km (0.11 R)
• M34: 58,087,357 km (0.044 R)
• M35: 58,440,109 km (0.076 R)
• M36: 59,149,801 km (0.112 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 312 - 18,738 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit