🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.4

Radius: 14.9

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.08 AU - 1.58 AU

Year: 1040 Days

Day: 7.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,553,998 km

• M1: 186,100 km (0.062 R)
• M2: 704,756 km (0.042 R)
• M3: 1,897,051 km (0.086 R)
• M4: 2,495,442 km (0.106 R)
• M5: 3,043,120 km (0.09 R)
• M6: 3,592,892 km (0.059 R)
• M7: 5,257,318 km (0.118 R)
• M8: 6,610,880 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.6

Radius: 14.1

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.45 AU - 1.57 AU

Year: 1259 Days

Day: 9.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,553,998 km

• M1: 175,478 km (0.111 R)
• M2: 618,587 km (0.078 R)
• M3: 1,248,843 km (0.071 R)
• M4: 1,777,821 km (0.119 R)
• M5: 2,550,494 km (0.089 R)
• M6: 3,083,063 km (0.085 R)
• M7: 3,941,605 km (0.081 R)
• M8: 4,749,882 km (0.104 R)
• M9: 5,982,419 km (0.085 R)
• M10: 6,445,275 km (0.096 R)
• M11: 7,443,691 km (0.065 R)
• M12: 8,111,795 km (0.114 R)

Asteroid Belt

Center: 2.05 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.5

Radius: 11.6

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.48 AU - 2.7 AU

Year: 2827 Days

Day: 14.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,553,998 km

• M1: 144,362 km (0.057 R)
• M2: 572,661 km (0.096 R)
• M3: 1,008,888 km (0.114 R)
• M4: 1,553,424 km (0.083 R)
• M5: 2,114,566 km (0.103 R)
• M6: 2,667,180 km (0.103 R)
• M7: 3,279,036 km (0.057 R)
• M8: 3,802,479 km (0.048 R)
• M9: 4,168,096 km (0.08 R)
• M10: 4,601,930 km (0.113 R)
• M11: 6,088,334 km (0.047 R)
• M12: 7,091,388 km (0.117 R)
• M13: 9,314,412 km (0.086 R)
• M14: 10,565,050 km (0.094 R)
• M15: 11,005,766 km (0.096 R)
• M16: 11,753,606 km (0.066 R)
• M17: 13,536,812 km (0.117 R)
• M18: 15,290,099 km (0.099 R)
• M19: 18,889,574 km (0.101 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 144

Radius: 6.7

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 5.48 AU - 7.42 AU

Year: 11110 Days

Day: 23.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,553,998 km

• M1: 89,609 km (0.114 R)
• M2: 386,411 km (0.114 R)
• M3: 1,101,340 km (0.118 R)
• M4: 2,078,962 km (0.077 R)
• M5: 5,156,190 km (0.063 R)
• M6: 10,230,849 km (0.109 R)
• M7: 12,042,329 km (0.086 R)
• M8: 12,388,648 km (0.12 R)
• M9: 14,720,131 km (0.078 R)
• M10: 18,874,315 km (0.103 R)
• M11: 25,651,248 km (0.085 R)
• M12: 28,780,386 km (0.086 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 763.6

Radius: 7.3

Gravity: 14.33 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.92 AU - 8.08 AU

Year: 11240 Days

Day: 17.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 76,553,998 km

• M1: 90,806 km (0.088 R)
• M2: 354,248 km (0.085 R)
• M3: 638,933 km (0.034 R)
• M4: 1,022,651 km (0.112 R)
• M5: 1,358,797 km (0.097 R)
• M6: 1,673,252 km (0.102 R)
• M7: 2,593,279 km (0.049 R)
• M8: 2,874,224 km (0.093 R)
• M9: 4,064,574 km (0.098 R)
• M10: 6,478,785 km (0.113 R)
• M11: 7,039,627 km (0.084 R)
• M12: 7,763,830 km (0.054 R)
• M13: 8,725,745 km (0.064 R)
• M14: 9,063,387 km (0.106 R)
• M15: 15,864,405 km (0.09 R)
• M16: 18,885,385 km (0.072 R)
• M17: 19,532,396 km (0.095 R)
• M18: 21,214,773 km (0.041 R)
• M19: 22,448,507 km (0.043 R)
• M20: 26,037,061 km (0.106 R)
• M21: 27,656,009 km (0.107 R)
• M22: 32,452,715 km (0.079 R)
• M23: 36,394,320 km (0.084 R)
• M24: 38,158,677 km (0.073 R)
• M25: 39,192,249 km (0.079 R)
• M26: 39,453,446 km (0.103 R)
• M27: 41,721,201 km (0.091 R)
• M28: 42,542,044 km (0.109 R)
• M29: 47,545,494 km (0.107 R)
• M30: 49,347,251 km (0.041 R)
• M31: 49,957,910 km (0.105 R)
• M32: 51,506,547 km (0.055 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 521.4

Radius: 4.2

Gravity: 29.56 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 6.15 AU - 10.13 AU

Year: 15752 Days

Day: 15.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 76,553,998 km

• M1: 79,287 km (0.114 R)
• M2: 240,254 km (0.077 R)
• M3: 414,984 km (0.105 R)
• M4: 922,720 km (0.096 R)
• M5: 1,365,679 km (0.099 R)
• M6: 1,955,843 km (0.048 R)
• M7: 2,122,046 km (0.09 R)
• M8: 2,612,128 km (0.117 R)
• M9: 2,791,197 km (0.101 R)
• M10: 3,050,749 km (0.106 R)
• M11: 4,283,137 km (0.088 R)
• M12: 5,303,993 km (0.119 R)
• M13: 5,591,669 km (0.081 R)
• M14: 5,776,722 km (0.091 R)
• M15: 6,805,656 km (0.112 R)
• M16: 7,059,374 km (0.066 R)
• M17: 8,423,856 km (0.116 R)
• M18: 9,373,503 km (0.065 R)
• M19: 10,672,462 km (0.057 R)
• M20: 11,964,389 km (0.076 R)
• M21: 14,160,336 km (0.057 R)
• M22: 15,863,059 km (0.115 R)
• M23: 16,085,062 km (0.104 R)
• M24: 16,611,048 km (0.075 R)
• M25: 22,891,915 km (0.098 R)
• M26: 24,628,297 km (0.099 R)
• M27: 25,528,577 km (0.052 R)
• M28: 28,907,096 km (0.104 R)
• M29: 29,238,455 km (0.09 R)
• M30: 30,247,343 km (0.113 R)
• M31: 31,745,267 km (0.07 R)
• M32: 33,050,807 km (0.097 R)
• M33: 35,515,432 km (0.055 R)
• M34: 36,022,718 km (0.063 R)
• M35: 37,311,803 km (0.052 R)
• M36: 38,498,114 km (0.077 R)
• M37: 43,350,471 km (0.092 R)
• M38: 44,808,153 km (0.102 R)
• M39: 46,600,186 km (0.068 R)
• M40: 46,903,420 km (0.109 R)
• M41: 50,966,199 km (0.118 R)
• M42: 56,797,076 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 362

Radius: 3.1

Gravity: 37.67 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 9.8 AU - 9.9 AU

Year: 20967 Days

Day: 16.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 76,553,998 km

• M1: 38,596 km (0.084 R)
• M2: 148,251 km (0.109 R)
• M3: 270,323 km (0.116 R)
• M4: 427,401 km (0.12 R)
• M5: 677,978 km (0.106 R)
• M6: 1,717,533 km (0.077 R)
• M7: 1,856,510 km (0.115 R)
• M8: 2,059,663 km (0.077 R)
• M9: 2,510,252 km (0.092 R)
• M10: 3,252,258 km (0.109 R)
• M11: 3,659,164 km (0.09 R)
• M12: 6,667,876 km (0.095 R)
• M13: 7,276,740 km (0.097 R)
• M14: 9,114,849 km (0.095 R)
• M15: 10,140,492 km (0.064 R)
• M16: 10,536,926 km (0.11 R)
• M17: 10,768,055 km (0.097 R)
• M18: 10,884,891 km (0.112 R)
• M19: 11,121,106 km (0.08 R)
• M20: 12,481,848 km (0.038 R)
• M21: 12,740,652 km (0.105 R)
• M22: 14,796,725 km (0.063 R)
• M23: 19,120,852 km (0.069 R)
• M24: 22,081,693 km (0.112 R)
• M25: 22,842,697 km (0.091 R)
• M26: 25,748,486 km (0.063 R)
• M27: 27,780,175 km (0.113 R)
• M28: 29,003,886 km (0.1 R)
• M29: 29,116,832 km (0.044 R)
• M30: 36,843,263 km (0.108 R)
• M31: 37,643,462 km (0.1 R)
• M32: 39,694,149 km (0.116 R)
• M33: 40,676,110 km (0.108 R)
• M34: 44,465,274 km (0.114 R)
• M35: 60,119,943 km (0.058 R)
• M36: 61,600,364 km (0.116 R)
• M37: 62,537,894 km (0.085 R)
• M38: 62,726,537 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 563.3

Radius: 6.6

Gravity: 12.93 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 10.17 AU - 10.33 AU

Year: 22258 Days

Day: 18.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 76,553,998 km

• M1: 82,578 km (0.066 R)
• M2: 401,221 km (0.087 R)
• M3: 623,374 km (0.114 R)
• M4: 863,479 km (0.099 R)
• M5: 1,335,161 km (0.07 R)
• M6: 1,908,869 km (0.116 R)
• M7: 2,635,166 km (0.06 R)
• M8: 3,503,283 km (0.061 R)
• M9: 3,800,684 km (0.113 R)
• M10: 7,428,881 km (0.106 R)
• M11: 9,023,893 km (0.111 R)
• M12: 9,930,755 km (0.084 R)
• M13: 10,711,058 km (0.052 R)
• M14: 13,948,057 km (0.102 R)
• M15: 15,079,914 km (0.031 R)
• M16: 18,131,711 km (0.097 R)
• M17: 18,484,463 km (0.083 R)
• M18: 19,662,546 km (0.069 R)
• M19: 22,774,481 km (0.114 R)
• M20: 23,600,710 km (0.107 R)
• M21: 27,221,577 km (0.088 R)
• M22: 32,086,200 km (0.12 R)
• M23: 32,343,658 km (0.09 R)
• M24: 37,500,147 km (0.084 R)
• M25: 42,092,203 km (0.102 R)
• M26: 43,022,253 km (0.09 R)
• M27: 49,233,258 km (0.103 R)
• M28: 52,018,022 km (0.045 R)
• M29: 52,730,407 km (0.052 R)
• M30: 54,174,326 km (0.087 R)
• M31: 56,576,718 km (0.062 R)
• M32: 58,089,900 km (0.082 R)
• M33: 59,049,272 km (0.066 R)
• M34: 65,027,950 km (0.075 R)
• M35: 67,317,546 km (0.089 R)
• M36: 69,875,969 km (0.081 R)
• M37: 70,091,988 km (0.083 R)
• M38: 71,179,116 km (0.06 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 15,719 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit