🌌 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: 922.5

Radius: 9.2

Gravity: 10.9 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.54 AU - 0.76 AU

Year: 368 Days

Day: 10.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,449,679 km

• M1: 114,442 km (0.097 R)
• M2: 410,197 km (0.108 R)
• M3: 699,669 km (0.084 R)
• M4: 1,014,124 km (0.078 R)
• M5: 1,349,373 km (0.108 R)
• M6: 1,692,401 km (0.109 R)
• M7: 2,010,147 km (0.12 R)
• M8: 3,045,214 km (0.032 R)
• M9: 4,289,121 km (0.034 R)
• M10: 5,456,283 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.8

Radius: 9.7

Gravity: 8.28 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.67 AU - 0.99 AU

Year: 532 Days

Day: 13.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,449,679 km

• M1: 120,576 km (0.037 R)
• M2: 536,159 km (0.114 R)
• M3: 903,870 km (0.114 R)
• M4: 1,381,088 km (0.079 R)
• M5: 1,714,092 km (0.106 R)
• M6: 2,020,918 km (0.093 R)
• M7: 2,587,744 km (0.037 R)
• M8: 2,914,915 km (0.104 R)
• M9: 3,666,494 km (0.052 R)
• M10: 4,809,721 km (0.061 R)
• M11: 5,730,346 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.3

Radius: 9.7

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.76 AU - 1.1 AU

Year: 630 Days

Day: 10.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,449,679 km

• M1: 120,576 km (0.12 R)
• M2: 513,869 km (0.117 R)
• M3: 1,989,352 km (0.079 R)
• M4: 2,353,623 km (0.065 R)
• M5: 2,655,811 km (0.117 R)
• M6: 3,242,235 km (0.12 R)
• M7: 3,723,641 km (0.08 R)
• M8: 4,037,796 km (0.114 R)
• M9: 4,595,946 km (0.117 R)
• M10: 5,221,414 km (0.12 R)
• M11: 5,581,048 km (0.1 R)
• M12: 6,236,436 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.9

Radius: 11.1

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.8 AU - 2.38 AU

Year: 2124 Days

Day: 13.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,449,679 km

• M1: 138,079 km (0.061 R)
• M2: 517,160 km (0.076 R)
• M3: 1,016,368 km (0.045 R)
• M4: 1,374,655 km (0.066 R)
• M5: 1,727,107 km (0.092 R)
• M6: 2,140,746 km (0.099 R)
• M7: 2,634,119 km (0.104 R)
• M8: 2,989,564 km (0.114 R)
• M9: 4,160,616 km (0.039 R)
• M10: 4,829,618 km (0.102 R)
• M11: 5,730,496 km (0.102 R)
• M12: 6,086,838 km (0.112 R)
• M13: 7,056,681 km (0.108 R)
• M14: 9,963,517 km (0.103 R)
• M15: 10,835,224 km (0.088 R)
• M16: 11,568,403 km (0.102 R)
• M17: 12,650,295 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.3

Radius: 12

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.18 AU - 3.12 AU

Year: 3032 Days

Day: 13.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,449,679 km

• M1: 149,299 km (0.059 R)
• M2: 626,217 km (0.114 R)
• M3: 1,018,462 km (0.076 R)
• M4: 2,142,391 km (0.103 R)
• M5: 2,816,629 km (0.115 R)
• M6: 3,570,602 km (0.111 R)
• M7: 4,088,959 km (0.106 R)
• M8: 4,726,096 km (0.081 R)
• M9: 5,608,125 km (0.052 R)
• M10: 6,395,907 km (0.082 R)
• M11: 7,287,062 km (0.093 R)
• M12: 8,811,913 km (0.103 R)
• M13: 9,649,661 km (0.094 R)
• M14: 10,700,137 km (0.116 R)
• M15: 11,868,347 km (0.068 R)
• M16: 13,258,859 km (0.107 R)
• M17: 14,260,716 km (0.115 R)
• M18: 16,041,828 km (0.047 R)
• M19: 16,958,564 km (0.109 R)
• M20: 17,682,768 km (0.102 R)
• M21: 18,778,273 km (0.085 R)
• M22: 20,164,447 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.5

Radius: 10.1

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.58 AU - 4.84 AU

Year: 6072 Days

Day: 8.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,449,679 km

• M1: 128,953 km (0.106 R)
• M2: 490,382 km (0.104 R)
• M3: 908,508 km (0.065 R)
• M4: 1,287,589 km (0.115 R)
• M5: 1,940,284 km (0.108 R)
• M6: 2,401,195 km (0.095 R)
• M7: 4,064,574 km (0.108 R)
• M8: 5,589,724 km (0.107 R)
• M9: 7,752,461 km (0.099 R)
• M10: 8,293,856 km (0.105 R)
• M11: 9,512,929 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.1

Radius: 11.5

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.32 AU - 4.6 AU

Year: 6621 Days

Day: 6.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,449,679 km

• M1: 143,016 km (0.044 R)
• M2: 581,188 km (0.07 R)
• M3: 954,434 km (0.108 R)
• M4: 1,896,602 km (0.119 R)
• M5: 3,648,094 km (0.103 R)
• M6: 6,159,992 km (0.057 R)
• M7: 6,845,748 km (0.054 R)
• M8: 7,890,390 km (0.098 R)
• M9: 8,699,715 km (0.04 R)
• M10: 9,124,573 km (0.04 R)
• M11: 10,016,176 km (0.048 R)
• M12: 11,013,844 km (0.084 R)
• M13: 11,869,095 km (0.105 R)
• M14: 12,985,993 km (0.091 R)
• M15: 15,244,173 km (0.12 R)
• M16: 20,007,219 km (0.103 R)
• M17: 23,819,721 km (0.051 R)
• M18: 26,822,449 km (0.077 R)
• M19: 28,460,995 km (0.111 R)
• M20: 29,589,860 km (0.085 R)
• M21: 29,972,681 km (0.086 R)
• M22: 32,339,619 km (0.094 R)
• M23: 36,119,658 km (0.095 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.6

Radius: 8.3

Gravity: 13.97 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.99 AU - 5.45 AU

Year: 7208 Days

Day: 8.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 168.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 68,449,679 km

• M1: 195,674 km (0.069 R)
• M2: 543,190 km (0.094 R)
• M3: 941,419 km (0.106 R)
• M4: 1,265,748 km (0.111 R)
• M5: 1,622,688 km (0.113 R)
• M6: 1,902,287 km (0.082 R)
• M7: 2,231,701 km (0.108 R)
• M8: 2,817,825 km (0.114 R)
• M9: 3,092,637 km (0.111 R)
• M10: 4,132,492 km (0.08 R)
• M11: 4,545,232 km (0.11 R)
• M12: 5,485,604 km (0.06 R)
• M13: 6,477,438 km (0.062 R)
• M14: 7,267,016 km (0.058 R)
• M15: 8,289,068 km (0.087 R)
• M16: 8,635,537 km (0.109 R)
• M17: 9,973,092 km (0.085 R)
• M18: 10,767,606 km (0.082 R)
• M19: 12,037,692 km (0.115 R)
• M20: 12,595,243 km (0.1 R)
• M21: 15,384,495 km (0.033 R)
• M22: 16,174,671 km (0.079 R)
• M23: 16,444,097 km (0.093 R)
• M24: 18,123,632 km (0.105 R)
• M25: 26,267,591 km (0.095 R)
• M26: 29,848,366 km (0.115 R)
• M27: 31,388,476 km (0.102 R)
• M28: 31,702,631 km (0.06 R)
• M29: 32,765,374 km (0.046 R)
• M30: 33,523,237 km (0.09 R)
• M31: 34,403,621 km (0.09 R)
• M32: 36,440,695 km (0.072 R)
• M33: 38,198,620 km (0.104 R)
• M34: 42,009,625 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 193.7

Radius: 3.3

Gravity: 17.79 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 6.22 AU - 7.88 AU

Year: 13158 Days

Day: 18.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 68,449,679 km

• M1: 41,439 km (0.083 R)
• M2: 158,424 km (0.094 R)
• M3: 390,450 km (0.081 R)
• M4: 681,568 km (0.12 R)
• M5: 1,300,903 km (0.087 R)
• M6: 1,537,417 km (0.031 R)
• M7: 1,645,128 km (0.116 R)
• M8: 2,262,369 km (0.114 R)
• M9: 2,877,066 km (0.056 R)
• M10: 3,642,858 km (0.083 R)
• M11: 3,835,241 km (0.103 R)
• M12: 4,085,368 km (0.077 R)
• M13: 4,214,471 km (0.09 R)
• M14: 4,346,267 km (0.097 R)
• M15: 4,959,020 km (0.077 R)
• M16: 7,870,494 km (0.098 R)
• M17: 8,648,851 km (0.098 R)
• M18: 9,078,496 km (0.099 R)
• M19: 9,567,233 km (0.091 R)
• M20: 10,356,810 km (0.06 R)
• M21: 12,709,536 km (0.048 R)
• M22: 13,096,097 km (0.116 R)
• M23: 13,547,583 km (0.113 R)
• M24: 15,771,056 km (0.051 R)
• M25: 15,897,766 km (0.041 R)
• M26: 17,336,448 km (0.034 R)
• M27: 17,675,138 km (0.111 R)
• M28: 17,880,536 km (0.113 R)
• M29: 19,362,452 km (0.081 R)
• M30: 21,231,079 km (0.086 R)
• M31: 21,463,106 km (0.116 R)
• M32: 24,634,880 km (0.112 R)
• M33: 30,986,506 km (0.113 R)
• M34: 36,105,296 km (0.084 R)
• M35: 36,215,251 km (0.114 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 376

Radius: 3.9

Gravity: 24.72 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 9.61 AU - 10.87 AU

Year: 23033 Days

Day: 17.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 68,449,679 km

• M1: 48,619 km (0.106 R)
• M2: 178,919 km (0.114 R)
• M3: 488,587 km (0.076 R)
• M4: 682,017 km (0.056 R)
• M5: 1,054,366 km (0.084 R)
• M6: 1,182,721 km (0.088 R)
• M7: 1,682,527 km (0.083 R)
• M8: 1,989,203 km (0.111 R)
• M9: 2,689,770 km (0.077 R)
• M10: 3,569,704 km (0.1 R)
• M11: 5,955,042 km (0.105 R)
• M12: 7,195,508 km (0.102 R)
• M13: 7,948,883 km (0.108 R)
• M14: 10,059,858 km (0.051 R)
• M15: 10,640,747 km (0.074 R)
• M16: 10,939,344 km (0.046 R)
• M17: 13,325,430 km (0.111 R)
• M18: 17,397,484 km (0.063 R)
• M19: 20,898,673 km (0.093 R)
• M20: 21,366,765 km (0.072 R)
• M21: 24,633,683 km (0.104 R)
• M22: 25,261,246 km (0.105 R)
• M23: 27,878,760 km (0.11 R)
• M24: 33,136,676 km (0.116 R)
• M25: 38,317,400 km (0.032 R)
• M26: 40,445,580 km (0.112 R)
• M27: 41,612,144 km (0.103 R)
• M28: 42,951,194 km (0.094 R)
• M29: 44,935,760 km (0.081 R)
• M30: 46,029,170 km (0.083 R)
• M31: 48,431,862 km (0.074 R)
• M32: 52,276,378 km (0.101 R)
• M33: 52,965,126 km (0.09 R)
• M34: 57,589,795 km (0.062 R)
• M35: 58,140,165 km (0.025 R)
• M36: 67,023,287 km (0.099 R)
• M37: 67,835,902 km (0.1 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 220 - 16,434 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit