🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.5

Radius: 14.6

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.67 AU - 0.73 AU

Year: 412 Days

Day: 8.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,065,904 km

• M1: 181,612 km (0.09 R)
• M2: 677,978 km (0.117 R)
• M3: 1,174,044 km (0.084 R)
• M4: 1,630,617 km (0.089 R)
• M5: 2,653,118 km (0.093 R)
• M6: 3,214,858 km (0.088 R)
• M7: 3,726,184 km (0.091 R)
• M8: 4,566,625 km (0.12 R)
• M9: 5,135,994 km (0.106 R)
• M10: 5,683,522 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983

Radius: 8

Gravity: 15.36 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.9 AU - 1.32 AU

Year: 822 Days

Day: 14 Hours

Environment

Temp: -175 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,065,904 km

• M1: 99,931 km (0.043 R)
• M2: 668,104 km (0.111 R)
• M3: 926,908 km (0.107 R)
• M4: 1,240,017 km (0.092 R)
• M5: 1,711,100 km (0.061 R)
• M6: 2,340,907 km (0.041 R)
• M7: 2,678,999 km (0.079 R)
• M8: 2,943,936 km (0.068 R)
• M9: 3,526,919 km (0.078 R)
• M10: 3,783,929 km (0.067 R)
• M11: 4,167,946 km (0.114 R)
• M12: 4,613,299 km (0.102 R)
• M13: 4,977,271 km (0.072 R)
• M14: 5,458,826 km (0.118 R)
• M15: 6,605,344 km (0.054 R)
• M16: 6,927,129 km (0.026 R)
• M17: 8,641,521 km (0.068 R)
• M18: 9,684,667 km (0.028 R)
• M19: 10,221,574 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.5

Radius: 9.7

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.21 AU - 1.27 AU

Year: 971 Days

Day: 8 Hours

Environment

Temp: -185 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,065,904 km

• M1: 121,922 km (0.089 R)
• M2: 493,523 km (0.115 R)
• M3: 833,859 km (0.119 R)
• M4: 1,423,573 km (0.082 R)
• M5: 1,908,869 km (0.065 R)
• M6: 2,224,221 km (0.119 R)
• M7: 2,649,229 km (0.071 R)
• M8: 3,008,862 km (0.106 R)
• M9: 3,583,318 km (0.12 R)
• M10: 4,471,480 km (0.066 R)
• M11: 4,984,003 km (0.095 R)
• M12: 6,088,783 km (0.083 R)
• M13: 6,862,952 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.6

Radius: 12.6

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.66 AU - 3.16 AU

Year: 3489 Days

Day: 10.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,065,904 km

• M1: 156,779 km (0.087 R)
• M2: 845,078 km (0.108 R)
• M3: 1,337,405 km (0.086 R)
• M4: 1,751,791 km (0.026 R)
• M5: 2,876,318 km (0.078 R)
• M6: 3,416,965 km (0.066 R)
• M7: 3,814,447 km (0.091 R)
• M8: 4,225,990 km (0.118 R)
• M9: 4,630,952 km (0.109 R)
• M10: 6,893,171 km (0.1 R)
• M11: 8,649,450 km (0.093 R)
• M12: 9,453,239 km (0.073 R)
• M13: 10,783,763 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.1

Radius: 8.5

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.4 AU - 3.52 AU

Year: 4524 Days

Day: 14.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,065,904 km

• M1: 105,915 km (0.079 R)
• M2: 705,653 km (0.109 R)
• M3: 1,210,247 km (0.11 R)
• M4: 1,826,740 km (0.101 R)
• M5: 2,883,349 km (0.083 R)
• M6: 3,553,847 km (0.062 R)
• M7: 4,324,575 km (0.108 R)
• M8: 4,690,492 km (0.11 R)
• M9: 5,355,155 km (0.088 R)
• M10: 6,600,258 km (0.095 R)
• M11: 8,760,751 km (0.059 R)
• M12: 10,398,698 km (0.112 R)
• M13: 12,141,662 km (0.117 R)
• M14: 16,745,088 km (0.117 R)
• M15: 18,230,894 km (0.075 R)
• M16: 19,493,650 km (0.11 R)
• M17: 20,177,910 km (0.078 R)
• M18: 22,801,408 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.8

Radius: 13.4

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 4.05 AU - 6.43 AU

Year: 8432 Days

Day: 5.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,065,904 km

• M1: 167,101 km (0.12 R)
• M2: 639,980 km (0.107 R)
• M3: 1,292,226 km (0.103 R)
• M4: 2,566,800 km (0.053 R)
• M5: 3,058,678 km (0.116 R)
• M6: 3,520,187 km (0.098 R)
• M7: 4,053,953 km (0.11 R)
• M8: 4,503,046 km (0.079 R)
• M9: 4,956,177 km (0.094 R)
• M10: 6,293,433 km (0.104 R)
• M11: 8,392,590 km (0.106 R)
• M12: 13,286,236 km (0.095 R)
• M13: 14,465,815 km (0.108 R)
• M14: 16,102,116 km (0.115 R)
• M15: 17,032,765 km (0.076 R)
• M16: 18,281,608 km (0.07 R)
• M17: 20,116,126 km (0.069 R)
• M18: 21,274,313 km (0.049 R)
• M19: 23,892,874 km (0.064 R)
• M20: 30,960,476 km (0.03 R)
• M21: 33,028,816 km (0.1 R)
• M22: 34,748,743 km (0.099 R)
• M23: 38,249,483 km (0.09 R)
• M24: 40,266,062 km (0.055 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 538.8

Radius: 3.9

Gravity: 35.42 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 5.77 AU - 7.83 AU

Year: 12464 Days

Day: 16.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,065,904 km

• M1: 50,863 km (0.099 R)
• M2: 258,206 km (0.103 R)
• M3: 1,258,866 km (0.047 R)
• M4: 3,038,931 km (0.077 R)
• M5: 3,251,959 km (0.038 R)
• M6: 4,176,174 km (0.06 R)
• M7: 5,675,294 km (0.08 R)
• M8: 7,713,865 km (0.104 R)
• M9: 8,065,569 km (0.092 R)
• M10: 10,996,939 km (0.06 R)
• M11: 19,397,758 km (0.103 R)
• M12: 22,790,188 km (0.088 R)
• M13: 24,157,962 km (0.102 R)
• M14: 29,747,836 km (0.063 R)
• M15: 44,221,879 km (0.113 R)
• M16: 49,876,080 km (0.025 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 382.8

Radius: 6.1

Gravity: 10.29 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 6.56 AU - 10.56 AU

Year: 17604 Days

Day: 20.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 57,065,904 km

• M1: 76,445 km (0.079 R)
• M2: 329,415 km (0.057 R)
• M3: 766,240 km (0.119 R)
• M4: 1,924,427 km (0.104 R)
• M5: 3,156,216 km (0.075 R)
• M6: 3,866,507 km (0.101 R)
• M7: 4,334,897 km (0.095 R)
• M8: 5,210,195 km (0.117 R)
• M9: 6,120,797 km (0.06 R)
• M10: 8,158,918 km (0.086 R)
• M11: 8,489,829 km (0.083 R)
• M12: 10,063,598 km (0.118 R)
• M13: 11,350,290 km (0.086 R)
• M14: 12,002,836 km (0.083 R)
• M15: 19,208,217 km (0.114 R)
• M16: 20,048,359 km (0.101 R)
• M17: 21,177,075 km (0.074 R)
• M18: 22,715,988 km (0.069 R)
• M19: 27,672,315 km (0.086 R)
• M20: 28,526,818 km (0.08 R)
• M21: 31,540,766 km (0.074 R)
• M22: 31,772,194 km (0.077 R)
• M23: 32,590,794 km (0.104 R)
• M24: 36,896,370 km (0.05 R)
• M25: 37,540,688 km (0.083 R)
• M26: 37,800,689 km (0.092 R)
• M27: 39,519,120 km (0.093 R)
• M28: 40,875,973 km (0.056 R)
• M29: 41,704,894 km (0.094 R)
• M30: 42,685,957 km (0.094 R)
• M31: 43,969,956 km (0.108 R)
• M32: 44,403,490 km (0.115 R)
• M33: 57,390,231 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 597.2

Radius: 7.3

Gravity: 11.21 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 8.25 AU - 8.99 AU

Year: 17790 Days

Day: 19.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,065,904 km

• M1: 91,255 km (0.083 R)
• M2: 1,152,502 km (0.072 R)
• M3: 3,302,074 km (0.054 R)
• M4: 5,848,978 km (0.097 R)
• M5: 9,750,490 km (0.113 R)
• M6: 10,086,038 km (0.073 R)
• M7: 12,135,828 km (0.028 R)
• M8: 12,458,959 km (0.069 R)
• M9: 15,180,444 km (0.044 R)
• M10: 17,444,309 km (0.12 R)
• M11: 19,217,791 km (0.032 R)
• M12: 27,517,930 km (0.086 R)
• M13: 28,870,295 km (0.071 R)
• M14: 31,221,674 km (0.109 R)
• M15: 32,816,836 km (0.119 R)
• M16: 36,973,263 km (0.083 R)
• M17: 38,897,242 km (0.113 R)
• M18: 41,467,632 km (0.065 R)
• M19: 42,943,565 km (0.093 R)
• M20: 49,525,572 km (0.03 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 337.5

Radius: 3.7

Gravity: 24.65 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 7.14 AU - 10.56 AU

Year: 18506 Days

Day: 19.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 57,065,904 km

• M1: 46,076 km (0.032 R)
• M2: 258,356 km (0.071 R)
• M3: 389,702 km (0.096 R)
• M4: 544,536 km (0.062 R)
• M5: 814,710 km (0.089 R)
• M6: 1,119,142 km (0.05 R)
• M7: 1,897,051 km (0.068 R)
• M8: 2,267,455 km (0.086 R)
• M9: 3,722,743 km (0.073 R)
• M10: 4,516,509 km (0.091 R)
• M11: 5,311,472 km (0.074 R)
• M12: 5,524,051 km (0.07 R)
• M13: 6,080,106 km (0.086 R)
• M14: 6,195,596 km (0.118 R)
• M15: 6,312,581 km (0.113 R)
• M16: 8,109,850 km (0.114 R)
• M17: 9,741,215 km (0.12 R)
• M18: 11,996,552 km (0.07 R)
• M19: 13,309,274 km (0.112 R)
• M20: 14,168,265 km (0.08 R)
• M21: 16,513,660 km (0.107 R)
• M22: 17,974,932 km (0.051 R)
• M23: 18,534,279 km (0.104 R)
• M24: 20,282,031 km (0.07 R)
• M25: 20,627,003 km (0.102 R)
• M26: 21,506,489 km (0.113 R)
• M27: 23,151,916 km (0.1 R)
• M28: 24,683,200 km (0.086 R)
• M29: 28,480,592 km (0.11 R)
• M30: 28,804,472 km (0.101 R)
• M31: 30,573,766 km (0.104 R)
• M32: 31,027,047 km (0.097 R)
• M33: 37,206,636 km (0.072 R)
• M34: 40,514,843 km (0.08 R)
• M35: 45,174,518 km (0.112 R)
• M36: 46,504,742 km (0.085 R)
• M37: 47,254,826 km (0.108 R)
• M38: 48,625,292 km (0.088 R)
• M39: 52,086,538 km (0.108 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 151 - 13,803 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit