🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.2

Radius: 12.1

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.64 AU - 0.66 AU

Year: 362 Days

Day: 8.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 54,068,071 km

• M1: 151,991 km (0.062 R)
• M2: 538,104 km (0.102 R)
• M3: 1,035,068 km (0.037 R)
• M4: 1,533,827 km (0.083 R)
• M5: 2,474,199 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.5

Radius: 9

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.41 AU - 1.49 AU

Year: 1205 Days

Day: 10.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,068,071 km

• M1: 112,498 km (0.072 R)
• M2: 582,534 km (0.113 R)
• M3: 979,118 km (0.084 R)
• M4: 1,569,282 km (0.096 R)
• M5: 3,316,734 km (0.115 R)
• M6: 3,781,685 km (0.063 R)
• M7: 4,221,652 km (0.073 R)
• M8: 4,731,930 km (0.089 R)
• M9: 5,282,600 km (0.081 R)
• M10: 5,625,030 km (0.091 R)
• M11: 8,372,095 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.8

Radius: 9

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.27 AU - 2.07 AU

Year: 1490 Days

Day: 10.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,068,071 km

• M1: 113,246 km (0.11 R)
• M2: 709,991 km (0.032 R)
• M3: 1,029,383 km (0.062 R)
• M4: 1,318,256 km (0.119 R)
• M5: 1,751,492 km (0.075 R)
• M6: 2,091,378 km (0.106 R)
• M7: 2,633,671 km (0.11 R)
• M8: 3,984,689 km (0.096 R)
• M9: 4,345,369 km (0.075 R)
• M10: 4,682,563 km (0.111 R)
• M11: 5,021,402 km (0.102 R)
• M12: 5,713,891 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.7

Radius: 9.1

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.46 AU - 2.26 AU

Year: 1751 Days

Day: 8.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,068,071 km

• M1: 113,246 km (0.101 R)
• M2: 461,958 km (0.114 R)
• M3: 772,075 km (0.051 R)
• M4: 1,503,758 km (0.068 R)
• M5: 2,628,135 km (0.094 R)
• M6: 3,168,184 km (0.03 R)
• M7: 4,343,425 km (0.113 R)
• M8: 4,787,132 km (0.043 R)
• M9: 5,962,822 km (0.047 R)
• M10: 6,301,960 km (0.111 R)
• M11: 6,750,006 km (0.081 R)
• M12: 7,604,808 km (0.047 R)
• M13: 8,558,345 km (0.07 R)
• M14: 9,961,573 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.5

Radius: 14.7

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.9 AU - 2.78 AU

Year: 2471 Days

Day: 6.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,068,071 km

• M1: 183,407 km (0.109 R)
• M2: 659,278 km (0.042 R)
• M3: 1,521,859 km (0.079 R)
• M4: 2,019,721 km (0.079 R)
• M5: 2,482,577 km (0.066 R)
• M6: 3,722,893 km (0.097 R)
• M7: 4,780,849 km (0.055 R)
• M8: 6,110,923 km (0.098 R)
• M9: 9,421,524 km (0.107 R)
• M10: 10,426,523 km (0.109 R)
• M11: 12,345,265 km (0.115 R)
• M12: 18,185,117 km (0.093 R)
• M13: 18,924,131 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.9

Radius: 10.1

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.22 AU - 2.64 AU

Year: 2615 Days

Day: 7.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,068,071 km

• M1: 125,662 km (0.075 R)
• M2: 525,537 km (0.09 R)
• M3: 1,041,949 km (0.118 R)
• M4: 1,843,046 km (0.083 R)
• M5: 2,799,275 km (0.111 R)
• M6: 3,131,083 km (0.072 R)
• M7: 6,848,890 km (0.101 R)
• M8: 7,708,778 km (0.095 R)
• M9: 8,604,570 km (0.102 R)
• M10: 9,568,280 km (0.061 R)
• M11: 13,535,316 km (0.119 R)
• M12: 16,861,475 km (0.083 R)
• M13: 18,424,324 km (0.091 R)
• M14: 20,758,949 km (0.117 R)
• M15: 21,134,738 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.5

Radius: 13.6

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.89 AU - 3.97 AU

Year: 4385 Days

Day: 9.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,068,071 km

• M1: 172,636 km (0.074 R)
• M2: 727,794 km (0.088 R)
• M3: 1,472,492 km (0.101 R)
• M4: 1,911,412 km (0.067 R)
• M5: 2,439,343 km (0.092 R)
• M6: 3,190,773 km (0.059 R)
• M7: 4,831,712 km (0.073 R)
• M8: 5,390,610 km (0.044 R)
• M9: 6,020,866 km (0.067 R)
• M10: 6,823,159 km (0.082 R)
• M11: 7,729,423 km (0.12 R)
• M12: 9,123,675 km (0.116 R)
• M13: 10,679,493 km (0.081 R)
• M14: 11,279,081 km (0.115 R)
• M15: 13,556,709 km (0.117 R)
• M16: 14,107,528 km (0.103 R)
• M17: 15,631,631 km (0.093 R)
• M18: 16,631,244 km (0.083 R)
• M19: 20,467,981 km (0.114 R)
• M20: 23,689,272 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237

Radius: 10.8

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.94 AU - 4.4 AU

Year: 4853 Days

Day: 10.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,068,071 km

• M1: 141,669 km (0.075 R)
• M2: 493,075 km (0.117 R)
• M3: 1,089,521 km (0.118 R)
• M4: 1,752,988 km (0.044 R)
• M5: 2,104,842 km (0.066 R)
• M6: 2,889,184 km (0.063 R)
• M7: 3,421,602 km (0.039 R)
• M8: 3,779,590 km (0.051 R)
• M9: 4,866,868 km (0.027 R)
• M10: 5,346,179 km (0.092 R)
• M11: 6,741,478 km (0.064 R)
• M12: 9,233,330 km (0.073 R)
• M13: 11,106,595 km (0.113 R)
• M14: 12,068,060 km (0.096 R)
• M15: 15,135,415 km (0.117 R)
• M16: 19,745,573 km (0.098 R)
• M17: 20,657,072 km (0.11 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.5

Radius: 13.2

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 3.29 AU - 4.49 AU

Year: 5296 Days

Day: 14.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,068,071 km

• M1: 164,258 km (0.092 R)
• M2: 594,203 km (0.045 R)
• M3: 1,190,051 km (0.114 R)
• M4: 2,270,297 km (0.102 R)
• M5: 3,301,924 km (0.093 R)
• M6: 3,762,087 km (0.09 R)
• M7: 4,598,788 km (0.106 R)
• M8: 5,769,092 km (0.115 R)
• M9: 9,275,666 km (0.076 R)
• M10: 10,063,748 km (0.042 R)
• M11: 10,754,292 km (0.101 R)
• M12: 11,924,446 km (0.044 R)
• M13: 12,488,430 km (0.063 R)
• M14: 13,669,954 km (0.108 R)
• M15: 14,807,496 km (0.042 R)
• M16: 15,220,237 km (0.075 R)
• M17: 21,236,465 km (0.084 R)
• M18: 24,275,845 km (0.09 R)
• M19: 26,716,085 km (0.114 R)
• M20: 27,594,225 km (0.114 R)
• M21: 29,500,999 km (0.098 R)
• M22: 31,397,152 km (0.096 R)
• M23: 31,883,645 km (0.062 R)
• M24: 32,375,223 km (0.093 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 559.8

Radius: 3

Gravity: 62.2 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 5.51 AU - 8.83 AU

Year: 13252 Days

Day: 22.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 54,068,071 km

• M1: 37,250 km (0.113 R)
• M2: 179,368 km (0.075 R)
• M3: 321,935 km (0.075 R)
• M4: 419,772 km (0.12 R)
• M5: 574,306 km (0.031 R)
• M6: 729,589 km (0.1 R)
• M7: 1,841,251 km (0.101 R)
• M8: 1,943,875 km (0.116 R)
• M9: 2,558,124 km (0.107 R)
• M10: 2,818,723 km (0.117 R)
• M11: 3,316,884 km (0.076 R)
• M12: 3,843,468 km (0.049 R)
• M13: 4,393,390 km (0.052 R)
• M14: 6,012,638 km (0.11 R)
• M15: 9,075,804 km (0.119 R)
• M16: 9,525,944 km (0.114 R)
• M17: 12,666,751 km (0.09 R)
• M18: 12,976,718 km (0.106 R)
• M19: 15,641,654 km (0.097 R)
• M20: 16,728,333 km (0.084 R)
• M21: 17,941,721 km (0.083 R)
• M22: 19,621,706 km (0.094 R)
• M23: 20,120,315 km (0.099 R)
• M24: 22,649,716 km (0.088 R)
• M25: 23,106,139 km (0.102 R)
• M26: 30,156,238 km (0.114 R)
• M27: 33,336,240 km (0.104 R)
• M28: 35,249,896 km (0.116 R)
• M29: 39,033,226 km (0.103 R)
• M30: 40,887,641 km (0.094 R)
• M31: 41,157,366 km (0.079 R)
• M32: 41,563,973 km (0.118 R)
• M33: 45,634,382 km (0.117 R)
• M34: 49,349,794 km (0.108 R)
• M35: 50,735,071 km (0.101 R)
• M36: 53,422,297 km (0.112 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 210 - 17,359 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit