🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.8

Radius: 10

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.19 AU - 1.59 AU

Year: 1058 Days

Day: 8.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 88,952,144 km

• M1: 124,316 km (0.086 R)
• M2: 487,539 km (0.115 R)
• M3: 905,815 km (0.034 R)
• M4: 1,392,307 km (0.086 R)
• M5: 1,738,028 km (0.049 R)
• M6: 2,130,722 km (0.079 R)
• M7: 2,936,457 km (0.096 R)
• M8: 3,528,116 km (0.059 R)
• M9: 4,030,765 km (0.051 R)
• M10: 4,421,215 km (0.048 R)
• M11: 4,930,447 km (0.099 R)
• M12: 5,580,599 km (0.099 R)
• M13: 6,603,848 km (0.059 R)
• M14: 8,139,321 km (0.107 R)
• M15: 8,626,561 km (0.071 R)
• M16: 9,161,972 km (0.048 R)
• M17: 9,659,535 km (0.065 R)
• M18: 10,581,656 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.6

Radius: 12

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.11 AU - 1.73 AU

Year: 1093 Days

Day: 7.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 88,952,144 km

• M1: 149,299 km (0.112 R)
• M2: 546,930 km (0.103 R)
• M3: 923,168 km (0.065 R)
• M4: 1,344,436 km (0.073 R)
• M5: 1,738,327 km (0.071 R)
• M6: 2,275,234 km (0.072 R)
• M7: 2,780,276 km (0.099 R)
• M8: 3,490,567 km (0.116 R)
• M9: 4,067,117 km (0.119 R)
• M10: 4,509,628 km (0.089 R)
• M11: 5,614,258 km (0.073 R)
• M12: 6,844,103 km (0.096 R)
• M13: 7,373,679 km (0.101 R)
• M14: 8,060,782 km (0.113 R)
• M15: 9,071,465 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.2

Radius: 12.5

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.35 AU - 1.51 AU

Year: 1104 Days

Day: 11.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 88,952,144 km

• M1: 155,432 km (0.069 R)
• M2: 708,645 km (0.036 R)
• M3: 1,103,135 km (0.061 R)
• M4: 1,604,138 km (0.064 R)
• M5: 2,036,326 km (0.101 R)
• M6: 2,701,438 km (0.069 R)
• M7: 3,360,567 km (0.093 R)
• M8: 4,325,174 km (0.067 R)
• M9: 4,830,216 km (0.117 R)
• M10: 5,785,398 km (0.093 R)
• M11: 6,734,298 km (0.063 R)
• M12: 7,146,290 km (0.092 R)
• M13: 8,165,501 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.6

Radius: 9.6

Gravity: 8.9 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.9 AU - 1.94 AU

Year: 1718 Days

Day: 11.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 104.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 88,952,144 km

• M1: 119,678 km (0.099 R)
• M2: 454,778 km (0.085 R)
• M3: 866,172 km (0.111 R)
• M4: 1,227,151 km (0.084 R)
• M5: 1,619,247 km (0.092 R)
• M6: 1,990,100 km (0.066 R)
• M7: 2,591,334 km (0.082 R)
• M8: 3,228,920 km (0.037 R)
• M9: 4,022,986 km (0.092 R)
• M10: 5,382,980 km (0.111 R)
• M11: 5,707,009 km (0.081 R)
• M12: 6,838,119 km (0.112 R)
• M13: 8,570,612 km (0.088 R)
• M14: 9,808,833 km (0.052 R)
• M15: 10,578,065 km (0.091 R)
• M16: 10,977,492 km (0.04 R)
• M17: 14,993,596 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326

Radius: 12.4

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 4.63 AU - 4.69 AU

Year: 6495 Days

Day: 8.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 88,952,144 km

• M1: 157,975 km (0.092 R)
• M2: 900,430 km (0.099 R)
• M3: 1,722,470 km (0.088 R)
• M4: 3,318,978 km (0.078 R)
• M5: 6,304,952 km (0.096 R)
• M6: 7,034,690 km (0.098 R)
• M7: 8,252,417 km (0.07 R)
• M8: 9,008,784 km (0.095 R)
• M9: 10,187,017 km (0.096 R)
• M10: 13,400,528 km (0.114 R)
• M11: 15,828,053 km (0.047 R)
• M12: 18,282,954 km (0.097 R)
• M13: 20,031,903 km (0.102 R)
• M14: 25,867,117 km (0.05 R)
• M15: 26,992,991 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.6

Radius: 13.2

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 5.03 AU - 5.05 AU

Year: 7306 Days

Day: 10.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 84.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 88,952,144 km

• M1: 168,298 km (0.089 R)
• M2: 652,995 km (0.088 R)
• M3: 1,074,113 km (0.107 R)
• M4: 1,487,900 km (0.043 R)
• M5: 2,107,385 km (0.116 R)
• M6: 2,562,163 km (0.108 R)
• M7: 3,257,344 km (0.048 R)
• M8: 3,997,704 km (0.048 R)
• M9: 4,477,614 km (0.081 R)
• M10: 5,881,889 km (0.032 R)
• M11: 6,505,114 km (0.103 R)
• M12: 7,020,030 km (0.102 R)
• M13: 8,131,841 km (0.082 R)
• M14: 8,556,400 km (0.12 R)
• M15: 11,110,933 km (0.095 R)
• M16: 11,848,750 km (0.026 R)
• M17: 12,562,780 km (0.036 R)
• M18: 17,605,874 km (0.051 R)
• M19: 18,755,384 km (0.098 R)
• M20: 19,954,561 km (0.073 R)
• M21: 25,087,114 km (0.094 R)
• M22: 26,357,350 km (0.107 R)
• M23: 27,479,633 km (0.076 R)
• M24: 27,956,700 km (0.12 R)
• M25: 30,323,638 km (0.092 R)
• M26: 31,659,996 km (0.089 R)
• M27: 33,683,307 km (0.088 R)
• M28: 36,360,660 km (0.064 R)
• M29: 41,133,281 km (0.036 R)
• M30: 41,883,514 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 143.5

Radius: 5.1

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 8.58 AU - 10.82 AU

Year: 19506 Days

Day: 22.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 88,952,144 km

• M1: 63,579 km (0.117 R)
• M2: 305,329 km (0.089 R)
• M3: 1,310,178 km (0.102 R)
• M4: 2,615,868 km (0.118 R)
• M5: 4,641,723 km (0.035 R)
• M6: 7,012,849 km (0.109 R)
• M7: 7,247,568 km (0.111 R)
• M8: 9,364,677 km (0.051 R)
• M9: 31,667,027 km (0.113 R)
• M10: 32,524,073 km (0.067 R)
• M11: 40,944,339 km (0.112 R)
• M12: 41,833,100 km (0.078 R)
• M13: 43,648,919 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 108.6

Radius: 6.5

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 9.68 AU - 11.96 AU

Year: 22980 Days

Day: 21 Hours

Environment

Temp: -234 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 88,952,144 km

• M1: 113,694 km (0.059 R)
• M2: 375,790 km (0.118 R)
• M3: 1,932,655 km (0.106 R)
• M4: 2,150,021 km (0.068 R)
• M5: 2,383,692 km (0.091 R)
• M6: 4,614,945 km (0.11 R)
• M7: 6,909,327 km (0.116 R)
• M8: 8,564,927 km (0.108 R)
• M9: 10,017,672 km (0.117 R)
• M10: 11,143,545 km (0.11 R)
• M11: 17,841,192 km (0.046 R)
• M12: 18,503,461 km (0.029 R)
• M13: 19,029,747 km (0.099 R)
• M14: 19,876,919 km (0.113 R)
• M15: 22,315,066 km (0.045 R)
• M16: 24,673,476 km (0.08 R)
• M17: 30,188,252 km (0.112 R)
• M18: 33,952,134 km (0.069 R)
• M19: 39,482,319 km (0.081 R)
• M20: 43,440,978 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 769.9

Radius: 7

Gravity: 15.71 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 8.74 AU - 13.44 AU

Year: 23846 Days

Day: 21 Hours

Environment

Temp: -242 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 88,952,144 km

• M1: 87,066 km (0.054 R)
• M2: 464,801 km (0.074 R)
• M3: 808,726 km (0.079 R)
• M4: 1,409,960 km (0.109 R)
• M5: 1,666,969 km (0.096 R)
• M6: 2,165,878 km (0.081 R)
• M7: 4,408,350 km (0.079 R)
• M8: 6,530,845 km (0.055 R)
• M9: 7,605,406 km (0.026 R)
• M10: 8,293,407 km (0.087 R)
• M11: 9,372,307 km (0.084 R)
• M12: 14,314,571 km (0.096 R)
• M13: 15,033,838 km (0.09 R)
• M14: 15,526,613 km (0.054 R)
• M15: 16,544,178 km (0.099 R)
• M16: 17,969,397 km (0.103 R)
• M17: 18,431,056 km (0.079 R)
• M18: 20,257,796 km (0.109 R)
• M19: 21,575,005 km (0.076 R)
• M20: 25,635,390 km (0.049 R)
• M21: 26,934,199 km (0.087 R)
• M22: 33,672,087 km (0.111 R)
• M23: 37,577,040 km (0.039 R)
• M24: 39,871,722 km (0.058 R)
• M25: 40,341,609 km (0.116 R)
• M26: 42,910,204 km (0.111 R)
• M27: 43,238,871 km (0.089 R)
• M28: 44,401,994 km (0.097 R)
• M29: 45,245,577 km (0.062 R)
• M30: 46,444,454 km (0.033 R)
• M31: 48,193,552 km (0.078 R)
• M32: 53,703,840 km (0.095 R)
• M33: 56,216,785 km (0.103 R)
• M34: 58,807,073 km (0.054 R)
• M35: 59,212,483 km (0.114 R)
• M36: 65,302,612 km (0.098 R)
• M37: 80,441,617 km (0.072 R)
• M38: 83,215,162 km (0.086 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 216 - 18,761 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit