🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.8

Radius: 11.9

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.77 AU - 1.25 AU

Year: 645 Days

Day: 8 Hours

Environment

Temp: -150 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,408,398 km

• M1: 147,952 km (0.032 R)
• M2: 645,216 km (0.084 R)
• M3: 1,112,260 km (0.083 R)
• M4: 2,075,970 km (0.096 R)
• M5: 3,336,033 km (0.117 R)
• M6: 3,840,477 km (0.12 R)
• M7: 4,769,180 km (0.086 R)
• M8: 5,615,455 km (0.067 R)
• M9: 6,351,028 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.7

Radius: 13.3

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.48 AU - 3.3 AU

Year: 3124 Days

Day: 8.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,408,398 km

• M1: 165,455 km (0.117 R)
• M2: 714,330 km (0.12 R)
• M3: 1,434,344 km (0.037 R)
• M4: 1,879,996 km (0.107 R)
• M5: 2,349,883 km (0.114 R)
• M6: 2,835,328 km (0.116 R)
• M7: 4,341,480 km (0.044 R)
• M8: 4,962,461 km (0.034 R)
• M9: 5,441,772 km (0.108 R)
• M10: 8,190,184 km (0.055 R)
• M11: 8,827,770 km (0.119 R)
• M12: 10,089,180 km (0.114 R)
• M13: 11,021,474 km (0.106 R)
• M14: 11,591,292 km (0.111 R)
• M15: 13,511,231 km (0.095 R)
• M16: 14,307,092 km (0.081 R)
• M17: 15,183,585 km (0.11 R)
• M18: 16,990,129 km (0.112 R)
• M19: 17,862,135 km (0.106 R)
• M20: 18,365,532 km (0.109 R)
• M21: 19,636,217 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926

Radius: 12.8

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.77 AU - 3.81 AU

Year: 3794 Days

Day: 6.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,408,398 km

• M1: 159,172 km (0.098 R)
• M2: 633,547 km (0.067 R)
• M3: 1,197,531 km (0.067 R)
• M4: 1,638,994 km (0.088 R)
• M5: 2,048,743 km (0.111 R)
• M6: 2,709,666 km (0.109 R)
• M7: 3,329,450 km (0.099 R)
• M8: 3,844,366 km (0.098 R)
• M9: 4,317,694 km (0.107 R)
• M10: 4,855,199 km (0.092 R)
• M11: 7,433,069 km (0.035 R)
• M12: 8,354,592 km (0.04 R)
• M13: 9,075,205 km (0.081 R)
• M14: 9,713,689 km (0.102 R)
• M15: 17,120,280 km (0.097 R)
• M16: 17,910,455 km (0.096 R)
• M17: 18,408,616 km (0.104 R)
• M18: 19,760,682 km (0.053 R)
• M19: 21,177,972 km (0.064 R)
• M20: 22,879,498 km (0.09 R)
• M21: 23,838,421 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.7

Radius: 10.6

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.53 AU - 3.55 AU

Year: 4235 Days

Day: 14.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,408,398 km

• M1: 132,095 km (0.05 R)
• M2: 784,641 km (0.108 R)
• M3: 1,153,998 km (0.112 R)
• M4: 2,005,359 km (0.1 R)
• M5: 2,423,336 km (0.113 R)
• M6: 2,766,663 km (0.083 R)
• M7: 3,770,764 km (0.089 R)
• M8: 4,256,807 km (0.091 R)
• M9: 6,425,677 km (0.049 R)
• M10: 6,843,205 km (0.112 R)
• M11: 10,373,266 km (0.111 R)
• M12: 10,907,181 km (0.051 R)
• M13: 13,515,569 km (0.052 R)
• M14: 14,004,006 km (0.106 R)
• M15: 17,299,647 km (0.063 R)
• M16: 17,933,942 km (0.104 R)
• M17: 18,823,900 km (0.07 R)
• M18: 21,803,441 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376

Radius: 11.7

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 4.13 AU - 5.49 AU

Year: 6707 Days

Day: 15 Hours

Environment

Temp: -220 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,408,398 km

• M1: 145,708 km (0.106 R)
• M2: 1,240,615 km (0.103 R)
• M3: 1,612,815 km (0.108 R)
• M4: 2,148,375 km (0.092 R)
• M5: 2,836,376 km (0.059 R)
• M6: 3,580,775 km (0.118 R)
• M7: 4,779,802 km (0.114 R)
• M8: 5,179,078 km (0.034 R)
• M9: 7,844,464 km (0.109 R)
• M10: 9,431,398 km (0.038 R)
• M11: 11,130,530 km (0.089 R)
• M12: 12,371,146 km (0.114 R)
• M13: 16,888,852 km (0.103 R)
• M14: 17,257,311 km (0.096 R)
• M15: 21,101,079 km (0.119 R)
• M16: 25,481,305 km (0.11 R)
• M17: 26,705,613 km (0.085 R)

Asteroid Belt

Center: 5.66 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 784.1

Radius: 6

Gravity: 21.78 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 6.23 AU - 6.77 AU

Year: 10537 Days

Day: 23.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,408,398 km

• M1: 74,649 km (0.067 R)
• M2: 626,665 km (0.098 R)
• M3: 3,833,894 km (0.111 R)
• M4: 4,196,669 km (0.077 R)
• M5: 4,862,230 km (0.047 R)
• M6: 6,712,008 km (0.116 R)
• M7: 12,610,951 km (0.101 R)
• M8: 13,286,684 km (0.12 R)
• M9: 13,857,400 km (0.043 R)
• M10: 14,378,300 km (0.104 R)
• M11: 15,597,822 km (0.1 R)
• M12: 16,090,298 km (0.068 R)
• M13: 22,923,181 km (0.086 R)
• M14: 23,835,728 km (0.117 R)
• M15: 24,583,119 km (0.119 R)
• M16: 25,058,092 km (0.039 R)
• M17: 25,636,138 km (0.102 R)
• M18: 25,830,765 km (0.115 R)
• M19: 31,023,158 km (0.114 R)
• M20: 40,577,226 km (0.103 R)
• M21: 44,384,791 km (0.103 R)
• M22: 45,088,798 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 646.8

Radius: 3.3

Gravity: 59.39 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 5.73 AU - 9.33 AU

Year: 13138 Days

Day: 23.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 56,408,398 km

• M1: 42,336 km (0.052 R)
• M2: 167,699 km (0.079 R)
• M3: 810,521 km (0.107 R)
• M4: 1,009,038 km (0.081 R)
• M5: 3,410,532 km (0.109 R)
• M6: 3,621,615 km (0.092 R)
• M7: 3,785,574 km (0.096 R)
• M8: 3,925,897 km (0.112 R)
• M9: 8,338,137 km (0.075 R)
• M10: 8,818,645 km (0.1 R)
• M11: 9,729,397 km (0.108 R)
• M12: 9,993,138 km (0.028 R)
• M13: 10,153,656 km (0.112 R)
• M14: 10,425,027 km (0.117 R)
• M15: 10,534,981 km (0.096 R)
• M16: 11,038,976 km (0.067 R)
• M17: 11,617,771 km (0.03 R)
• M18: 13,152,495 km (0.117 R)
• M19: 20,215,609 km (0.052 R)
• M20: 20,472,319 km (0.115 R)
• M21: 20,818,189 km (0.091 R)
• M22: 21,432,588 km (0.051 R)
• M23: 22,790,039 km (0.07 R)
• M24: 24,882,763 km (0.116 R)
• M25: 29,555,303 km (0.107 R)
• M26: 34,535,566 km (0.047 R)
• M27: 43,363,636 km (0.033 R)
• M28: 44,653,169 km (0.063 R)
• M29: 51,010,181 km (0.073 R)
• M30: 51,964,765 km (0.091 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: 290 - 14,242 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit