🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.7

Radius: 8.9

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.84 AU - 0.88 AU

Year: 523 Days

Day: 6 Hours

Environment

Temp: -154 °C

Axial Tilt: 87.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,228,282 km

• M1: 110,702 km (0.105 R)
• M2: 540,048 km (0.06 R)
• M3: 816,954 km (0.107 R)
• M4: 1,137,991 km (0.083 R)
• M5: 1,631,514 km (0.074 R)
• M6: 2,528,653 km (0.061 R)
• M7: 2,978,045 km (0.113 R)
• M8: 3,734,412 km (0.066 R)
• M9: 4,061,283 km (0.025 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.3

Radius: 10.9

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.87 AU - 1.15 AU

Year: 666 Days

Day: 7.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,228,282 km

• M1: 135,536 km (0.076 R)
• M2: 497,563 km (0.041 R)
• M3: 877,392 km (0.095 R)
• M4: 1,241,962 km (0.046 R)
• M5: 1,726,509 km (0.105 R)
• M6: 2,173,208 km (0.119 R)
• M7: 2,696,352 km (0.093 R)
• M8: 3,262,730 km (0.057 R)
• M9: 3,921,708 km (0.086 R)
• M10: 4,617,189 km (0.062 R)
• M11: 4,959,618 km (0.107 R)
• M12: 5,318,952 km (0.096 R)
• M13: 6,825,403 km (0.113 R)
• M14: 7,760,240 km (0.052 R)
• M15: 8,471,578 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.4

Radius: 11

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.01 AU - 2.93 AU

Year: 2547 Days

Day: 12.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,228,282 km

• M1: 136,882 km (0.072 R)
• M2: 608,115 km (0.094 R)
• M3: 1,039,556 km (0.11 R)
• M4: 1,683,574 km (0.098 R)
• M5: 2,832,785 km (0.044 R)
• M6: 3,907,646 km (0.095 R)
• M7: 4,501,998 km (0.087 R)
• M8: 5,631,612 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.8

Radius: 8.1

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.61 AU - 2.61 AU

Year: 2766 Days

Day: 5.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 36,228,282 km

• M1: 101,727 km (0.098 R)
• M2: 593,156 km (0.064 R)
• M3: 882,627 km (0.025 R)
• M4: 1,159,832 km (0.085 R)
• M5: 1,447,958 km (0.117 R)
• M6: 1,817,315 km (0.061 R)
• M7: 2,122,495 km (0.101 R)
• M8: 2,475,396 km (0.105 R)
• M9: 3,054,340 km (0.099 R)
• M10: 3,333,639 km (0.101 R)
• M11: 3,666,045 km (0.064 R)
• M12: 3,924,999 km (0.105 R)
• M13: 4,754,819 km (0.09 R)
• M14: 5,480,219 km (0.053 R)
• M15: 6,622,099 km (0.1 R)
• M16: 8,068,711 km (0.095 R)
• M17: 8,637,631 km (0.116 R)
• M18: 10,395,257 km (0.1 R)
• M19: 10,841,208 km (0.106 R)
• M20: 11,261,129 km (0.029 R)
• M21: 11,771,258 km (0.079 R)
• M22: 12,133,434 km (0.119 R)
• M23: 12,669,743 km (0.101 R)
• M24: 15,447,027 km (0.114 R)
• M25: 16,573,051 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.1

Radius: 9.8

Gravity: 9.29 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.72 AU - 2.92 AU

Year: 3107 Days

Day: 5.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,228,282 km

• M1: 121,922 km (0.095 R)
• M2: 439,818 km (0.08 R)
• M3: 766,839 km (0.074 R)
• M4: 1,102,836 km (0.108 R)
• M5: 1,527,993 km (0.061 R)
• M6: 1,929,962 km (0.057 R)
• M7: 3,036,837 km (0.083 R)
• M8: 4,522,643 km (0.119 R)
• M9: 4,978,318 km (0.067 R)
• M10: 5,570,726 km (0.094 R)
• M11: 6,682,238 km (0.089 R)
• M12: 7,867,502 km (0.087 R)
• M13: 8,386,008 km (0.104 R)
• M14: 9,075,355 km (0.094 R)
• M15: 12,215,564 km (0.112 R)
• M16: 12,629,950 km (0.086 R)
• M17: 14,029,288 km (0.096 R)
• M18: 16,125,154 km (0.111 R)
• M19: 18,662,933 km (0.103 R)
• M20: 19,028,400 km (0.102 R)
• M21: 20,928,293 km (0.106 R)
• M22: 22,059,253 km (0.085 R)
• M23: 23,582,758 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.4

Radius: 13.2

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.98 AU - 3 AU

Year: 3392 Days

Day: 11.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,228,282 km

• M1: 164,707 km (0.054 R)
• M2: 581,038 km (0.073 R)
• M3: 1,019,360 km (0.116 R)
• M4: 1,468,901 km (0.073 R)
• M5: 1,897,051 km (0.096 R)
• M6: 2,692,163 km (0.103 R)
• M7: 3,383,156 km (0.105 R)
• M8: 6,041,211 km (0.113 R)
• M9: 7,101,112 km (0.106 R)
• M10: 8,000,494 km (0.087 R)
• M11: 11,201,440 km (0.117 R)
• M12: 12,845,371 km (0.032 R)
• M13: 14,078,207 km (0.066 R)
• M14: 15,066,750 km (0.075 R)
• M15: 16,493,764 km (0.084 R)
• M16: 17,710,742 km (0.112 R)
• M17: 20,063,917 km (0.081 R)
• M18: 21,585,477 km (0.114 R)
• M19: 22,201,371 km (0.076 R)
• M20: 23,325,300 km (0.084 R)
• M21: 25,307,472 km (0.053 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.3

Radius: 8.5

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.97 AU - 4.79 AU

Year: 5014 Days

Day: 5.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,228,282 km

• M1: 177,124 km (0.061 R)
• M2: 714,180 km (0.088 R)
• M3: 1,413,101 km (0.069 R)
• M4: 2,097,512 km (0.107 R)
• M5: 2,393,865 km (0.119 R)
• M6: 2,673,314 km (0.07 R)
• M7: 3,071,843 km (0.077 R)
• M8: 3,536,643 km (0.049 R)
• M9: 3,959,257 km (0.106 R)
• M10: 4,804,635 km (0.111 R)
• M11: 7,529,710 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.1

Radius: 13.6

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 4.09 AU - 6.53 AU

Year: 8027 Days

Day: 9.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 36,228,282 km

• M1: 169,794 km (0.111 R)
• M2: 1,018,911 km (0.066 R)
• M3: 1,590,525 km (0.046 R)
• M4: 2,076,718 km (0.111 R)
• M5: 2,777,284 km (0.071 R)
• M6: 3,749,521 km (0.119 R)
• M7: 4,381,572 km (0.11 R)
• M8: 5,263,302 km (0.085 R)
• M9: 6,750,006 km (0.107 R)
• M10: 7,688,732 km (0.112 R)
• M11: 10,441,183 km (0.104 R)
• M12: 10,981,680 km (0.114 R)
• M13: 13,219,665 km (0.118 R)
• M14: 15,242,377 km (0.041 R)
• M15: 16,067,858 km (0.12 R)
• M16: 16,590,553 km (0.117 R)
• M17: 17,946,957 km (0.09 R)
• M18: 20,420,857 km (0.091 R)
• M19: 23,446,025 km (0.034 R)
• M20: 25,858,142 km (0.076 R)
• M21: 29,487,386 km (0.115 R)
• M22: 30,470,094 km (0.102 R)
• M23: 31,070,131 km (0.089 R)
• M24: 32,708,677 km (0.075 R)
• M25: 34,728,547 km (0.088 R)
• M26: 37,625,660 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 556.6

Radius: 4.3

Gravity: 30.1 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 7.29 AU - 7.45 AU

Year: 13125 Days

Day: 17.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,228,282 km

• M1: 53,706 km (0.055 R)
• M2: 593,305 km (0.102 R)
• M3: 822,040 km (0.093 R)
• M4: 1,005,896 km (0.075 R)
• M5: 2,067,293 km (0.107 R)
• M6: 2,215,096 km (0.029 R)
• M7: 2,511,299 km (0.114 R)
• M8: 2,900,852 km (0.092 R)
• M9: 3,611,891 km (0.113 R)
• M10: 4,165,553 km (0.093 R)
• M11: 5,132,553 km (0.103 R)
• M12: 6,394,112 km (0.107 R)
• M13: 7,117,418 km (0.081 R)
• M14: 8,348,459 km (0.106 R)
• M15: 9,612,561 km (0.115 R)
• M16: 9,766,198 km (0.051 R)
• M17: 10,832,681 km (0.06 R)
• M18: 24,318,181 km (0.109 R)
• M19: 27,274,235 km (0.05 R)
• M20: 29,051,159 km (0.098 R)
• M21: 37,688,940 km (0.115 R)
• M22: 38,199,218 km (0.106 R)
• M23: 45,690,331 km (0.076 R)
• M24: 46,270,472 km (0.117 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 157.8

Radius: 3.6

Gravity: 12.18 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 7.06 AU - 8.1 AU

Year: 13690 Days

Day: 22.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 36,228,282 km

• M1: 45,179 km (0.049 R)
• M2: 195,824 km (0.07 R)
• M3: 375,042 km (0.105 R)
• M4: 490,831 km (0.1 R)
• M5: 882,328 km (0.099 R)
• M6: 1,230,442 km (0.062 R)
• M7: 1,649,915 km (0.102 R)
• M8: 2,158,248 km (0.094 R)
• M9: 2,802,866 km (0.091 R)
• M10: 3,043,718 km (0.039 R)
• M11: 3,520,935 km (0.097 R)
• M12: 4,354,046 km (0.1 R)
• M13: 5,401,231 km (0.076 R)
• M14: 6,163,881 km (0.077 R)
• M15: 7,978,204 km (0.088 R)
• M16: 9,799,409 km (0.102 R)
• M17: 10,733,647 km (0.111 R)
• M18: 11,025,213 km (0.091 R)
• M19: 12,191,628 km (0.047 R)
• M20: 15,803,369 km (0.066 R)
• M21: 18,020,560 km (0.054 R)
• M22: 20,288,613 km (0.12 R)
• M23: 22,581,200 km (0.113 R)
• M24: 24,871,394 km (0.09 R)
• M25: 26,953,647 km (0.088 R)
• M26: 27,945,630 km (0.103 R)
• M27: 29,526,431 km (0.063 R)
• M28: 35,795,779 km (0.059 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: 375 - 12,949 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit