🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.3

Radius: 15

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.88 AU - 1.04 AU

Year: 649 Days

Day: 7.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 30,265,669 km

• M1: 186,549 km (0.101 R)
• M2: 702,960 km (0.09 R)
• M3: 1,325,736 km (0.049 R)
• M4: 1,825,692 km (0.089 R)
• M5: 2,334,924 km (0.109 R)
• M6: 3,324,962 km (0.07 R)
• M7: 3,995,310 km (0.082 R)
• M8: 5,960,428 km (0.112 R)
• M9: 6,727,117 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.5

Radius: 8.5

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.94 AU - 1.1 AU

Year: 711 Days

Day: 11.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,265,669 km

• M1: 105,915 km (0.065 R)
• M2: 406,009 km (0.082 R)
• M3: 810,222 km (0.07 R)
• M4: 1,091,915 km (0.109 R)
• M5: 2,226,016 km (0.088 R)
• M6: 2,547,353 km (0.097 R)
• M7: 3,307,759 km (0.089 R)
• M8: 4,046,024 km (0.057 R)
• M9: 4,367,659 km (0.074 R)
• M10: 5,638,942 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.8

Radius: 14.6

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.53 AU - 2.33 AU

Year: 1851 Days

Day: 13.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,265,669 km

• M1: 181,911 km (0.113 R)
• M2: 646,562 km (0.092 R)
• M3: 1,198,578 km (0.027 R)
• M4: 2,123,392 km (0.069 R)
• M5: 2,982,682 km (0.111 R)
• M6: 3,561,177 km (0.063 R)
• M7: 4,230,927 km (0.058 R)
• M8: 4,946,154 km (0.092 R)
• M9: 7,842,070 km (0.03 R)
• M10: 9,095,251 km (0.118 R)
• M11: 10,321,355 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.5

Radius: 11.8

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.9 AU - 2.52 AU

Year: 2268 Days

Day: 7.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,265,669 km

• M1: 147,055 km (0.103 R)
• M2: 600,486 km (0.12 R)
• M3: 1,051,673 km (0.089 R)
• M4: 1,586,934 km (0.105 R)
• M5: 3,200,946 km (0.096 R)
• M6: 3,917,220 km (0.083 R)
• M7: 6,093,720 km (0.09 R)
• M8: 6,641,697 km (0.064 R)
• M9: 7,580,872 km (0.064 R)
• M10: 9,105,424 km (0.081 R)
• M11: 14,372,765 km (0.103 R)
• M12: 14,942,284 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.3

Radius: 9.7

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.19 AU - 2.45 AU

Year: 2439 Days

Day: 7.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,265,669 km

• M1: 120,725 km (0.101 R)
• M2: 428,897 km (0.056 R)
• M3: 934,837 km (0.081 R)
• M4: 1,716,336 km (0.092 R)
• M5: 2,530,598 km (0.085 R)
• M6: 2,853,430 km (0.104 R)
• M7: 3,237,148 km (0.099 R)
• M8: 3,746,828 km (0.116 R)
• M9: 4,268,775 km (0.091 R)
• M10: 4,686,004 km (0.057 R)
• M11: 4,994,325 km (0.119 R)
• M12: 6,286,252 km (0.1 R)
• M13: 6,744,470 km (0.072 R)
• M14: 8,705,250 km (0.079 R)
• M15: 10,415,303 km (0.101 R)
• M16: 11,251,555 km (0.113 R)
• M17: 12,091,098 km (0.107 R)
• M18: 12,547,222 km (0.113 R)
• M19: 14,029,887 km (0.067 R)
• M20: 15,096,968 km (0.036 R)
• M21: 17,183,859 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.3

Radius: 14.4

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.36 AU - 2.74 AU

Year: 2811 Days

Day: 7.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,265,669 km

• M1: 179,069 km (0.069 R)
• M2: 853,306 km (0.09 R)
• M3: 1,493,436 km (0.119 R)
• M4: 2,253,692 km (0.107 R)
• M5: 2,782,670 km (0.117 R)
• M6: 3,344,260 km (0.06 R)
• M7: 5,886,676 km (0.11 R)
• M8: 6,472,352 km (0.063 R)
• M9: 8,851,556 km (0.066 R)
• M10: 10,657,352 km (0.111 R)
• M11: 12,823,081 km (0.111 R)
• M12: 15,174,460 km (0.104 R)
• M13: 16,132,335 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.5

Radius: 8

Gravity: 14.4 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.88 AU - 3.14 AU

Year: 3605 Days

Day: 8.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 30,265,669 km

• M1: 99,483 km (0.084 R)
• M2: 361,129 km (0.116 R)
• M3: 842,236 km (0.067 R)
• M4: 1,782,907 km (0.084 R)
• M5: 2,854,028 km (0.104 R)
• M6: 3,397,218 km (0.072 R)
• M7: 3,897,324 km (0.113 R)
• M8: 4,469,536 km (0.098 R)
• M9: 7,066,255 km (0.079 R)
• M10: 9,495,426 km (0.107 R)
• M11: 10,444,026 km (0.059 R)
• M12: 11,007,262 km (0.077 R)
• M13: 11,774,400 km (0.07 R)
• M14: 12,100,373 km (0.089 R)
• M15: 13,515,719 km (0.078 R)
• M16: 14,767,703 km (0.079 R)
• M17: 16,905,756 km (0.104 R)
• M18: 17,320,890 km (0.038 R)
• M19: 21,994,926 km (0.115 R)
• M20: 24,318,331 km (0.098 R)
• M21: 24,619,770 km (0.085 R)
• M22: 25,000,198 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.2

Radius: 14.2

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.77 AU - 5.27 AU

Year: 6633 Days

Day: 14.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 30,265,669 km

• M1: 177,573 km (0.036 R)
• M2: 695,630 km (0.102 R)
• M3: 1,144,873 km (0.113 R)
• M4: 1,761,216 km (0.091 R)
• M5: 2,251,298 km (0.114 R)
• M6: 2,746,767 km (0.102 R)
• M7: 4,304,828 km (0.066 R)
• M8: 5,651,359 km (0.069 R)
• M9: 6,578,566 km (0.037 R)
• M10: 7,501,286 km (0.062 R)
• M11: 8,396,480 km (0.083 R)
• M12: 9,321,892 km (0.086 R)
• M13: 11,330,244 km (0.089 R)
• M14: 12,953,081 km (0.067 R)
• M15: 13,716,479 km (0.037 R)
• M16: 14,671,811 km (0.041 R)
• M17: 17,133,893 km (0.076 R)
• M18: 18,305,095 km (0.066 R)
• M19: 19,727,172 km (0.042 R)
• M20: 21,013,564 km (0.082 R)
• M21: 21,925,513 km (0.062 R)
• M22: 24,665,697 km (0.075 R)
• M23: 27,960,889 km (0.095 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.6

Radius: 15

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 4.3 AU - 6.1 AU

Year: 8185 Days

Day: 12.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,265,669 km

• M1: 186,549 km (0.115 R)
• M2: 781,499 km (0.094 R)
• M3: 1,303,446 km (0.096 R)
• M4: 2,050,089 km (0.114 R)
• M5: 3,465,584 km (0.05 R)
• M6: 5,034,567 km (0.11 R)
• M7: 6,012,039 km (0.08 R)
• M8: 6,635,713 km (0.064 R)
• M9: 8,013,360 km (0.043 R)
• M10: 8,901,073 km (0.105 R)
• M11: 10,378,801 km (0.117 R)
• M12: 13,007,684 km (0.077 R)
• M13: 15,409,777 km (0.114 R)
• M14: 20,533,205 km (0.033 R)
• M15: 21,871,807 km (0.058 R)
• M16: 24,461,346 km (0.1 R)
• M17: 25,695,529 km (0.083 R)
• M18: 27,907,184 km (0.108 R)
• M19: 30,543,996 km (0.115 R)
• M20: 32,706,582 km (0.064 R)
• M21: 38,263,994 km (0.114 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.4

Radius: 13.6

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 4.58 AU - 5.82 AU

Year: 8185 Days

Day: 6 Hours

Environment

Temp: -223 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 30,265,669 km

• M1: 169,195 km (0.113 R)
• M2: 617,241 km (0.053 R)
• M3: 1,048,531 km (0.1 R)
• M4: 1,768,995 km (0.099 R)
• M5: 2,228,260 km (0.1 R)
• M6: 2,663,590 km (0.106 R)
• M7: 3,435,515 km (0.064 R)
• M8: 4,328,166 km (0.119 R)
• M9: 4,829,767 km (0.058 R)
• M10: 5,342,140 km (0.08 R)
• M11: 5,801,705 km (0.105 R)
• M12: 6,833,930 km (0.088 R)
• M13: 7,623,208 km (0.12 R)
• M14: 8,549,369 km (0.064 R)
• M15: 9,100,038 km (0.028 R)
• M16: 11,543,570 km (0.104 R)
• M17: 13,328,721 km (0.105 R)
• M18: 14,396,701 km (0.089 R)
• M19: 14,951,559 km (0.047 R)
• M20: 17,007,483 km (0.099 R)
• M21: 20,539,488 km (0.075 R)
• M22: 21,386,212 km (0.081 R)
• M23: 24,691,278 km (0.073 R)
• M24: 25,810,569 km (0.071 R)
• M25: 26,796,569 km (0.071 R)
• M26: 27,467,815 km (0.057 R)
• M27: 28,064,411 km (0.072 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 177 - 17,775 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit