🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.6

Radius: 8.3

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.73 AU - 1.05 AU

Year: 560 Days

Day: 12.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,044,485 km

• M1: 103,223 km (0.111 R)
• M2: 392,844 km (0.096 R)
• M3: 660,774 km (0.091 R)
• M4: 968,347 km (0.091 R)
• M5: 1,258,716 km (0.088 R)
• M6: 2,088,087 km (0.061 R)
• M7: 2,696,352 km (0.05 R)
• M8: 3,180,750 km (0.113 R)
• M9: 3,644,204 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.4

Radius: 11.7

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.45 AU - 1.67 AU

Year: 1299 Days

Day: 14.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,044,485 km

• M1: 145,858 km (0.052 R)
• M2: 591,660 km (0.112 R)
• M3: 1,117,047 km (0.06 R)
• M4: 1,586,635 km (0.119 R)
• M5: 2,012,241 km (0.081 R)
• M6: 2,405,235 km (0.065 R)
• M7: 4,991,483 km (0.104 R)
• M8: 6,246,010 km (0.084 R)
• M9: 8,016,202 km (0.066 R)
• M10: 8,674,582 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609

Radius: 10.3

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.58 AU - 1.88 AU

Year: 1517 Days

Day: 8.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 122.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,044,485 km

• M1: 128,355 km (0.103 R)
• M2: 451,337 km (0.092 R)
• M3: 863,329 km (0.056 R)
• M4: 1,646,325 km (0.078 R)
• M5: 2,072,080 km (0.094 R)
• M6: 2,457,444 km (0.076 R)
• M7: 2,794,787 km (0.104 R)
• M8: 3,452,569 km (0.064 R)
• M9: 4,338,039 km (0.095 R)
• M10: 5,368,320 km (0.112 R)
• M11: 6,578,566 km (0.106 R)
• M12: 7,365,900 km (0.094 R)
• M13: 8,158,320 km (0.08 R)
• M14: 9,097,645 km (0.04 R)
• M15: 9,593,562 km (0.036 R)
• M16: 10,605,591 km (0.083 R)
• M17: 11,016,088 km (0.047 R)
• M18: 12,014,953 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.4

Radius: 8.1

Gravity: 14.58 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.18 AU - 3.06 AU

Year: 2828 Days

Day: 9 Hours

Environment

Temp: -200 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,044,485 km

• M1: 101,577 km (0.081 R)
• M2: 414,536 km (0.101 R)
• M3: 778,807 km (0.057 R)
• M4: 1,060,948 km (0.104 R)
• M5: 1,627,326 km (0.036 R)
• M6: 2,018,524 km (0.093 R)
• M7: 2,411,368 km (0.12 R)
• M8: 3,113,431 km (0.053 R)
• M9: 4,334,299 km (0.092 R)
• M10: 5,139,435 km (0.111 R)
• M11: 7,422,747 km (0.085 R)
• M12: 7,882,312 km (0.106 R)
• M13: 9,188,600 km (0.085 R)
• M14: 11,345,503 km (0.071 R)
• M15: 12,044,424 km (0.117 R)
• M16: 14,667,024 km (0.062 R)
• M17: 15,443,587 km (0.106 R)
• M18: 16,576,342 km (0.076 R)
• M19: 18,112,861 km (0.107 R)
• M20: 20,945,497 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.5

Radius: 11.7

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.59 AU - 4.31 AU

Year: 4273 Days

Day: 8.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,044,485 km

• M1: 145,858 km (0.087 R)
• M2: 593,754 km (0.119 R)
• M3: 1,038,957 km (0.069 R)
• M4: 1,507,947 km (0.098 R)
• M5: 1,974,841 km (0.117 R)
• M6: 2,424,533 km (0.03 R)
• M7: 3,359,220 km (0.111 R)
• M8: 3,815,344 km (0.112 R)
• M9: 4,368,557 km (0.1 R)
• M10: 6,164,330 km (0.043 R)
• M11: 7,083,160 km (0.025 R)
• M12: 8,205,294 km (0.12 R)
• M13: 8,644,363 km (0.118 R)
• M14: 9,569,626 km (0.12 R)
• M15: 10,122,540 km (0.09 R)
• M16: 10,525,557 km (0.09 R)
• M17: 11,328,299 km (0.072 R)
• M18: 13,453,037 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.7

Radius: 14.2

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.69 AU - 5.13 AU

Year: 6176 Days

Day: 7.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,044,485 km

• M1: 177,722 km (0.107 R)
• M2: 799,451 km (0.069 R)
• M3: 1,524,402 km (0.093 R)
• M4: 3,378,668 km (0.078 R)
• M5: 3,828,060 km (0.105 R)
• M6: 4,498,707 km (0.051 R)
• M7: 5,853,465 km (0.076 R)
• M8: 6,677,301 km (0.091 R)
• M9: 8,354,443 km (0.044 R)
• M10: 9,013,870 km (0.069 R)
• M11: 9,886,774 km (0.064 R)
• M12: 11,700,049 km (0.116 R)
• M13: 12,846,418 km (0.115 R)
• M14: 13,895,548 km (0.08 R)
• M15: 15,241,181 km (0.077 R)
• M16: 16,736,262 km (0.071 R)
• M17: 17,652,399 km (0.085 R)
• M18: 19,871,983 km (0.094 R)
• M19: 20,824,772 km (0.047 R)
• M20: 21,578,296 km (0.106 R)
• M21: 26,927,168 km (0.059 R)
• M22: 30,818,209 km (0.098 R)
• M23: 31,995,245 km (0.105 R)
• M24: 34,543,644 km (0.047 R)
• M25: 35,920,992 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.1

Radius: 14.5

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 4.77 AU - 5.61 AU

Year: 7885 Days

Day: 5.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,044,485 km

• M1: 180,714 km (0.038 R)
• M2: 1,069,625 km (0.119 R)
• M3: 1,588,131 km (0.088 R)
• M4: 3,159,657 km (0.06 R)
• M5: 4,261,295 km (0.058 R)
• M6: 5,347,675 km (0.07 R)
• M7: 6,322,604 km (0.095 R)
• M8: 6,871,778 km (0.077 R)
• M9: 7,334,036 km (0.091 R)
• M10: 8,066,467 km (0.101 R)
• M11: 11,073,234 km (0.084 R)
• M12: 17,371,754 km (0.074 R)
• M13: 18,453,346 km (0.112 R)
• M14: 19,350,634 km (0.079 R)
• M15: 20,198,555 km (0.096 R)
• M16: 22,217,827 km (0.055 R)
• M17: 22,721,822 km (0.038 R)
• M18: 27,995,746 km (0.094 R)
• M19: 35,726,365 km (0.083 R)
• M20: 37,592,748 km (0.098 R)
• M21: 41,392,534 km (0.054 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 1000

Radius: 5.7

Gravity: 30.78 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.35 AU - 6.19 AU

Year: 9243 Days

Day: 16.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 42,044,485 km

• M1: 71,657 km (0.108 R)
• M2: 328,517 km (0.107 R)
• M3: 541,245 km (0.038 R)
• M4: 955,781 km (0.082 R)
• M5: 1,251,087 km (0.117 R)
• M6: 2,617,664 km (0.098 R)
• M7: 3,127,194 km (0.099 R)
• M8: 3,596,034 km (0.097 R)
• M9: 4,370,651 km (0.111 R)
• M10: 5,085,879 km (0.084 R)
• M11: 6,549,993 km (0.06 R)
• M12: 7,611,988 km (0.12 R)
• M13: 8,503,592 km (0.056 R)
• M14: 9,167,657 km (0.071 R)
• M15: 10,280,515 km (0.116 R)
• M16: 11,881,063 km (0.041 R)
• M17: 12,114,136 km (0.098 R)
• M18: 13,577,353 km (0.114 R)
• M19: 14,549,440 km (0.04 R)
• M20: 14,749,303 km (0.06 R)
• M21: 16,486,733 km (0.086 R)
• M22: 18,746,259 km (0.112 R)
• M23: 19,062,359 km (0.117 R)
• M24: 21,547,329 km (0.073 R)
• M25: 24,994,513 km (0.103 R)
• M26: 26,351,964 km (0.088 R)
• M27: 27,452,406 km (0.093 R)
• M28: 29,212,874 km (0.109 R)
• M29: 29,424,704 km (0.113 R)
• M30: 32,387,341 km (0.078 R)
• M31: 35,062,899 km (0.092 R)
• M32: 36,270,752 km (0.114 R)
• M33: 38,387,412 km (0.114 R)
• M34: 40,585,005 km (0.11 R)
• M35: 43,001,908 km (0.059 R)
• M36: 47,094,606 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 347.2

Radius: 5.2

Gravity: 12.84 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 5.65 AU - 7.73 AU

Year: 11539 Days

Day: 24.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 42,044,485 km

• M1: 65,225 km (0.074 R)
• M2: 239,805 km (0.069 R)
• M3: 652,247 km (0.111 R)
• M4: 928,255 km (0.025 R)
• M5: 1,131,409 km (0.119 R)
• M6: 1,303,297 km (0.115 R)
• M7: 1,519,166 km (0.097 R)
• M8: 1,758,673 km (0.105 R)
• M9: 2,089,284 km (0.076 R)
• M10: 2,612,727 km (0.095 R)
• M11: 2,791,945 km (0.068 R)
• M12: 2,979,242 km (0.057 R)
• M13: 3,402,304 km (0.086 R)
• M14: 3,915,575 km (0.053 R)
• M15: 5,280,655 km (0.072 R)
• M16: 5,600,645 km (0.102 R)
• M17: 6,208,910 km (0.062 R)
• M18: 8,128,999 km (0.053 R)
• M19: 9,499,914 km (0.107 R)
• M20: 9,734,633 km (0.106 R)
• M21: 10,864,396 km (0.111 R)
• M22: 11,172,867 km (0.026 R)
• M23: 11,487,321 km (0.09 R)
• M24: 12,521,791 km (0.088 R)
• M25: 12,918,075 km (0.035 R)
• M26: 15,089,638 km (0.102 R)
• M27: 17,423,066 km (0.103 R)
• M28: 19,454,754 km (0.073 R)
• M29: 22,374,456 km (0.08 R)
• M30: 23,042,111 km (0.077 R)
• M31: 23,981,586 km (0.046 R)
• M32: 25,303,433 km (0.111 R)
• M33: 30,059,897 km (0.094 R)
• M34: 32,223,830 km (0.047 R)
• M35: 32,541,127 km (0.103 R)
• M36: 36,513,699 km (0.069 R)
• M37: 38,497,067 km (0.074 R)
• M38: 41,169,035 km (0.083 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: 225 - 13,792 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit