🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.6

Radius: 12.4

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.01 AU - 1.43 AU

Year: 930 Days

Day: 11.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,965,976 km

• M1: 154,385 km (0.109 R)
• M2: 548,725 km (0.086 R)
• M3: 1,014,573 km (0.087 R)
• M4: 1,419,833 km (0.113 R)
• M5: 2,053,380 km (0.103 R)
• M6: 2,552,289 km (0.056 R)
• M7: 3,038,034 km (0.084 R)
• M8: 3,585,263 km (0.097 R)
• M9: 4,769,629 km (0.079 R)
• M10: 5,295,166 km (0.09 R)
• M11: 6,070,233 km (0.089 R)
• M12: 6,643,043 km (0.098 R)
• M13: 7,300,077 km (0.104 R)
• M14: 8,554,006 km (0.094 R)
• M15: 9,218,370 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.5

Radius: 12.4

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.34 AU - 1.78 AU

Year: 1345 Days

Day: 13 Hours

Environment

Temp: -193 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,965,976 km

• M1: 161,566 km (0.098 R)
• M2: 652,995 km (0.07 R)
• M3: 1,048,681 km (0.104 R)
• M4: 1,558,211 km (0.11 R)
• M5: 2,074,174 km (0.11 R)
• M6: 2,572,784 km (0.103 R)
• M7: 2,963,085 km (0.078 R)
• M8: 3,951,329 km (0.078 R)
• M9: 4,902,921 km (0.1 R)
• M10: 5,729,299 km (0.06 R)
• M11: 6,378,105 km (0.092 R)
• M12: 7,024,069 km (0.084 R)
• M13: 7,740,643 km (0.06 R)
• M14: 8,245,087 km (0.112 R)
• M15: 8,771,222 km (0.042 R)
• M16: 10,587,191 km (0.102 R)
• M17: 11,069,195 km (0.115 R)
• M18: 11,637,966 km (0.11 R)
• M19: 12,795,405 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.2

Radius: 14

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.87 AU - 2.89 AU

Year: 2534 Days

Day: 5.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,965,976 km

• M1: 175,179 km (0.108 R)
• M2: 612,603 km (0.103 R)
• M3: 1,116,000 km (0.103 R)
• M4: 1,606,681 km (0.097 R)
• M5: 2,168,421 km (0.112 R)
• M6: 2,873,625 km (0.082 R)
• M7: 4,098,383 km (0.109 R)
• M8: 4,820,343 km (0.112 R)
• M9: 6,634,666 km (0.1 R)
• M10: 7,607,201 km (0.027 R)
• M11: 8,397,228 km (0.068 R)
• M12: 9,068,174 km (0.077 R)
• M13: 10,645,085 km (0.09 R)
• M14: 11,198,448 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.9

Radius: 12.3

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.63 AU - 3.41 AU

Year: 3623 Days

Day: 14.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,965,976 km

• M1: 157,527 km (0.096 R)
• M2: 568,322 km (0.03 R)
• M3: 996,471 km (0.119 R)
• M4: 1,484,160 km (0.097 R)
• M5: 1,896,153 km (0.029 R)
• M6: 2,799,575 km (0.09 R)
• M7: 5,297,709 km (0.046 R)
• M8: 5,983,316 km (0.035 R)
• M9: 7,137,015 km (0.086 R)
• M10: 8,168,941 km (0.062 R)
• M11: 8,806,827 km (0.12 R)
• M12: 9,262,203 km (0.031 R)
• M13: 9,844,138 km (0.093 R)
• M14: 10,605,891 km (0.066 R)
• M15: 11,324,708 km (0.112 R)
• M16: 12,290,213 km (0.111 R)
• M17: 13,538,757 km (0.117 R)
• M18: 13,957,481 km (0.116 R)
• M19: 14,919,096 km (0.07 R)
• M20: 16,443,798 km (0.101 R)
• M21: 17,791,675 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.8

Radius: 10.8

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 3.74 AU - 5.64 AU

Year: 7011 Days

Day: 7.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 75,965,976 km

• M1: 134,339 km (0.072 R)
• M2: 473,627 km (0.071 R)
• M3: 837,299 km (0.111 R)
• M4: 1,432,250 km (0.108 R)
• M5: 1,819,260 km (0.049 R)
• M6: 2,227,662 km (0.119 R)
• M7: 2,715,650 km (0.114 R)
• M8: 4,203,850 km (0.119 R)
• M9: 4,896,937 km (0.052 R)
• M10: 5,633,706 km (0.069 R)
• M11: 6,077,713 km (0.066 R)
• M12: 8,291,612 km (0.078 R)
• M13: 8,825,227 km (0.099 R)
• M14: 11,045,260 km (0.091 R)
• M15: 12,258,498 km (0.103 R)
• M16: 13,558,354 km (0.032 R)
• M17: 15,677,408 km (0.039 R)
• M18: 17,604,827 km (0.042 R)
• M19: 19,757,391 km (0.045 R)
• M20: 22,235,629 km (0.033 R)
• M21: 23,427,924 km (0.093 R)
• M22: 24,080,919 km (0.098 R)
• M23: 30,806,540 km (0.106 R)
• M24: 32,791,255 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628

Radius: 13.9

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 3.65 AU - 5.87 AU

Year: 7168 Days

Day: 6.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 75,965,976 km

• M1: 173,384 km (0.082 R)
• M2: 607,068 km (0.028 R)
• M3: 1,833,771 km (0.105 R)
• M4: 2,769,057 km (0.042 R)
• M5: 3,466,332 km (0.111 R)
• M6: 4,176,623 km (0.043 R)
• M7: 4,841,286 km (0.11 R)
• M8: 6,622,847 km (0.097 R)
• M9: 7,120,559 km (0.092 R)
• M10: 9,020,452 km (0.088 R)
• M11: 9,633,504 km (0.109 R)
• M12: 11,845,758 km (0.116 R)
• M13: 16,598,333 km (0.105 R)
• M14: 17,587,623 km (0.056 R)
• M15: 18,896,605 km (0.063 R)
• M16: 19,683,639 km (0.075 R)
• M17: 20,343,665 km (0.063 R)
• M18: 23,294,932 km (0.113 R)
• M19: 28,518,889 km (0.106 R)
• M20: 29,649,999 km (0.099 R)
• M21: 31,204,620 km (0.105 R)
• M22: 32,102,506 km (0.093 R)
• M23: 32,812,797 km (0.098 R)
• M24: 34,793,622 km (0.058 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 828.6

Radius: 6.7

Gravity: 18.46 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 6.9 AU - 8.06 AU

Year: 14121 Days

Day: 20.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 75,965,976 km

• M1: 85,570 km (0.081 R)
• M2: 361,428 km (0.079 R)
• M3: 739,313 km (0.072 R)
• M4: 2,348,687 km (0.092 R)
• M5: 2,606,593 km (0.086 R)
• M6: 3,078,575 km (0.1 R)
• M7: 3,578,381 km (0.091 R)
• M8: 3,920,960 km (0.089 R)
• M9: 4,475,669 km (0.03 R)
• M10: 6,963,631 km (0.101 R)
• M11: 7,775,948 km (0.071 R)
• M12: 9,533,274 km (0.055 R)
• M13: 10,024,853 km (0.113 R)
• M14: 11,662,500 km (0.074 R)
• M15: 14,799,119 km (0.117 R)
• M16: 17,071,062 km (0.104 R)
• M17: 17,632,802 km (0.075 R)
• M18: 19,478,690 km (0.097 R)
• M19: 29,736,317 km (0.117 R)
• M20: 30,082,935 km (0.108 R)
• M21: 35,480,725 km (0.107 R)
• M22: 38,680,773 km (0.111 R)
• M23: 40,633,474 km (0.116 R)
• M24: 45,189,478 km (0.072 R)
• M25: 55,126,217 km (0.12 R)
• M26: 59,221,608 km (0.055 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 28.6

Radius: 5.5

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 7.37 AU - 9.55 AU

Year: 16985 Days

Day: 23.7 Hours

Environment

Temp: -241 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,965,976 km

• M1: 68,366 km (0.079 R)
• M2: 650,003 km (0.063 R)
• M3: 1,188,106 km (0.055 R)
• M4: 1,404,874 km (0.09 R)
• M5: 2,728,067 km (0.053 R)
• M6: 5,269,435 km (0.079 R)
• M7: 6,854,425 km (0.067 R)
• M8: 7,327,603 km (0.083 R)
• M9: 9,402,376 km (0.064 R)
• M10: 10,146,176 km (0.103 R)
• M11: 13,467,399 km (0.101 R)
• M12: 14,977,140 km (0.088 R)
• M13: 20,051,051 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 387.6

Radius: 7.5

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 6.59 AU - 10.79 AU

Year: 17682 Days

Day: 16 Hours

Environment

Temp: -234 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,965,976 km

• M1: 93,349 km (0.09 R)
• M2: 471,832 km (0.066 R)
• M3: 1,053,019 km (0.075 R)
• M4: 2,154,509 km (0.115 R)
• M5: 3,474,111 km (0.093 R)
• M6: 4,082,376 km (0.048 R)
• M7: 6,574,677 km (0.06 R)
• M8: 7,459,249 km (0.102 R)
• M9: 11,328,000 km (0.12 R)
• M10: 17,501,305 km (0.077 R)
• M11: 24,316,386 km (0.101 R)
• M12: 24,608,999 km (0.113 R)
• M13: 25,002,891 km (0.116 R)
• M14: 26,005,795 km (0.079 R)
• M15: 27,139,747 km (0.032 R)
• M16: 29,395,533 km (0.116 R)
• M17: 36,016,286 km (0.109 R)
• M18: 38,075,949 km (0.073 R)
• M19: 39,941,435 km (0.096 R)
• M20: 43,709,655 km (0.04 R)
• M21: 47,708,407 km (0.117 R)
• M22: 54,236,259 km (0.115 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 526.8

Radius: 3.5

Gravity: 43 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 8.83 AU - 11.73 AU

Year: 22751 Days

Day: 18.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 75,965,976 km

• M1: 43,683 km (0.11 R)
• M2: 214,224 km (0.106 R)
• M3: 457,470 km (0.12 R)
• M4: 841,039 km (0.088 R)
• M5: 955,332 km (0.119 R)
• M6: 1,079,947 km (0.07 R)
• M7: 2,197,593 km (0.12 R)
• M8: 3,827,162 km (0.1 R)
• M9: 4,309,017 km (0.025 R)
• M10: 8,231,772 km (0.035 R)
• M11: 8,598,287 km (0.084 R)
• M12: 10,474,394 km (0.106 R)
• M13: 10,904,638 km (0.104 R)
• M14: 12,401,514 km (0.098 R)
• M15: 12,606,313 km (0.081 R)
• M16: 14,177,989 km (0.071 R)
• M17: 20,511,214 km (0.099 R)
• M18: 25,093,397 km (0.073 R)
• M19: 33,767,830 km (0.117 R)
• M20: 33,900,673 km (0.074 R)
• M21: 35,384,235 km (0.055 R)
• M22: 36,769,960 km (0.094 R)
• M23: 39,945,175 km (0.12 R)
• M24: 40,992,509 km (0.101 R)
• M25: 49,694,617 km (0.102 R)
• M26: 50,905,612 km (0.046 R)
• M27: 51,255,222 km (0.094 R)
• M28: 51,430,551 km (0.104 R)
• M29: 54,291,461 km (0.103 R)
• M30: 56,880,102 km (0.099 R)
• M31: 58,778,649 km (0.116 R)
• M32: 60,523,259 km (0.077 R)
• M33: 71,939,522 km (0.207 R)
• M34: 72,159,431 km (0.104 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 431 - 13,397 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit