🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.6

Radius: 11.5

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.14 AU - 1.16 AU

Year: 851 Days

Day: 8.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 53,538,889 km

• M1: 143,016 km (0.116 R)
• M2: 571,165 km (0.08 R)
• M3: 1,256,173 km (0.096 R)
• M4: 2,523,716 km (0.108 R)
• M5: 2,898,160 km (0.116 R)
• M6: 4,018,947 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.9

Radius: 11.7

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.79 AU - 2.99 AU

Year: 2550 Days

Day: 5.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,538,889 km

• M1: 147,952 km (0.07 R)
• M2: 661,971 km (0.109 R)
• M3: 1,264,551 km (0.041 R)
• M4: 1,702,125 km (0.081 R)
• M5: 2,678,999 km (0.115 R)
• M6: 4,320,835 km (0.098 R)
• M7: 5,569,379 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.2

Radius: 8.5

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.13 AU - 2.67 AU

Year: 2566 Days

Day: 11.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,538,889 km

• M1: 106,364 km (0.112 R)
• M2: 495,618 km (0.1 R)
• M3: 934,388 km (0.043 R)
• M4: 1,218,325 km (0.045 R)
• M5: 1,494,632 km (0.054 R)
• M6: 2,468,365 km (0.084 R)
• M7: 2,992,257 km (0.057 R)
• M8: 3,337,678 km (0.12 R)
• M9: 4,165,702 km (0.094 R)
• M10: 4,617,787 km (0.094 R)
• M11: 5,058,951 km (0.045 R)
• M12: 6,814,482 km (0.117 R)
• M13: 8,411,589 km (0.08 R)
• M14: 10,561,610 km (0.095 R)
• M15: 11,629,888 km (0.072 R)
• M16: 12,053,250 km (0.091 R)
• M17: 12,407,348 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.9

Radius: 8.1

Gravity: 13.17 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.69 AU - 3.07 AU

Year: 3374 Days

Day: 7.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,538,889 km

• M1: 103,073 km (0.106 R)
• M2: 1,219,073 km (0.11 R)
• M3: 1,629,570 km (0.115 R)
• M4: 2,455,350 km (0.032 R)
• M5: 2,952,464 km (0.068 R)
• M6: 3,885,655 km (0.096 R)
• M7: 4,977,869 km (0.065 R)
• M8: 5,313,118 km (0.096 R)
• M9: 6,501,075 km (0.096 R)
• M10: 7,418,558 km (0.118 R)
• M11: 8,528,425 km (0.083 R)
• M12: 9,626,324 km (0.062 R)
• M13: 11,736,103 km (0.042 R)
• M14: 12,425,001 km (0.097 R)
• M15: 12,898,927 km (0.047 R)
• M16: 16,789,070 km (0.098 R)
• M17: 18,506,005 km (0.119 R)
• M18: 19,186,825 km (0.11 R)
• M19: 24,947,539 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.5

Radius: 8

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.56 AU - 3.64 AU

Year: 3768 Days

Day: 5.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,538,889 km

• M1: 103,671 km (0.081 R)
• M2: 410,197 km (0.106 R)
• M3: 670,797 km (0.11 R)
• M4: 1,130,960 km (0.067 R)
• M5: 1,648,868 km (0.099 R)
• M6: 2,120,849 km (0.025 R)
• M7: 2,616,916 km (0.089 R)
• M8: 3,170,128 km (0.117 R)
• M9: 3,542,029 km (0.113 R)
• M10: 4,262,791 km (0.094 R)
• M11: 4,716,522 km (0.052 R)
• M12: 5,053,117 km (0.091 R)
• M13: 5,640,737 km (0.079 R)
• M14: 6,387,979 km (0.115 R)
• M15: 6,651,121 km (0.111 R)
• M16: 8,077,687 km (0.075 R)
• M17: 10,243,116 km (0.093 R)
• M18: 10,563,854 km (0.079 R)
• M19: 13,281,598 km (0.04 R)
• M20: 14,249,347 km (0.097 R)
• M21: 14,649,222 km (0.107 R)
• M22: 15,108,188 km (0.094 R)
• M23: 19,556,930 km (0.103 R)
• M24: 21,649,056 km (0.11 R)
• M25: 22,445,515 km (0.037 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.8

Radius: 9.9

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.23 AU - 3.57 AU

Year: 4327 Days

Day: 5.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,538,889 km

• M1: 124,166 km (0.103 R)
• M2: 461,061 km (0.11 R)
• M3: 777,161 km (0.113 R)
• M4: 1,317,359 km (0.11 R)
• M5: 2,674,212 km (0.114 R)
• M6: 3,340,221 km (0.095 R)
• M7: 3,894,781 km (0.055 R)
• M8: 5,355,903 km (0.117 R)
• M9: 6,833,032 km (0.077 R)
• M10: 7,182,044 km (0.059 R)
• M11: 8,268,723 km (0.119 R)
• M12: 9,969,501 km (0.106 R)
• M13: 11,440,198 km (0.058 R)
• M14: 12,699,662 km (0.05 R)
• M15: 15,294,288 km (0.062 R)
• M16: 17,566,530 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.7

Radius: 9.9

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 4.48 AU - 5.46 AU

Year: 7648 Days

Day: 10.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,538,889 km

• M1: 123,717 km (0.03 R)
• M2: 707,748 km (0.088 R)
• M3: 1,458,130 km (0.062 R)
• M4: 1,810,733 km (0.108 R)
• M5: 2,653,118 km (0.062 R)
• M6: 3,430,728 km (0.081 R)
• M7: 4,462,056 km (0.054 R)
• M8: 5,034,716 km (0.108 R)
• M9: 5,401,381 km (0.066 R)
• M10: 7,239,789 km (0.108 R)
• M11: 8,835,699 km (0.076 R)
• M12: 10,310,584 km (0.091 R)
• M13: 11,106,595 km (0.116 R)
• M14: 11,572,143 km (0.059 R)
• M15: 11,889,590 km (0.102 R)
• M16: 13,333,359 km (0.102 R)
• M17: 18,220,572 km (0.113 R)
• M18: 18,941,484 km (0.036 R)
• M19: 21,139,825 km (0.078 R)
• M20: 24,879,771 km (0.062 R)
• M21: 26,583,542 km (0.101 R)
• M22: 27,230,403 km (0.083 R)
• M23: 33,425,699 km (0.053 R)
• M24: 34,070,915 km (0.106 R)
• M25: 35,497,331 km (0.093 R)
• M26: 36,056,528 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 710.1

Radius: 5.8

Gravity: 21.11 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 5.81 AU - 5.91 AU

Year: 9792 Days

Day: 15.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 53,538,889 km

• M1: 72,106 km (0.054 R)
• M2: 699,968 km (0.086 R)
• M3: 961,017 km (0.116 R)
• M4: 2,693,061 km (0.045 R)
• M5: 3,083,362 km (0.118 R)
• M6: 4,058,141 km (0.063 R)
• M7: 4,512,171 km (0.067 R)
• M8: 4,874,497 km (0.046 R)
• M9: 5,657,043 km (0.11 R)
• M10: 6,006,803 km (0.078 R)
• M11: 6,520,373 km (0.101 R)
• M12: 7,509,813 km (0.05 R)
• M13: 8,595,594 km (0.087 R)
• M14: 8,871,004 km (0.118 R)
• M15: 9,105,125 km (0.093 R)
• M16: 11,182,291 km (0.088 R)
• M17: 11,958,405 km (0.114 R)
• M18: 12,829,214 km (0.106 R)
• M19: 13,866,376 km (0.083 R)
• M20: 14,437,541 km (0.049 R)
• M21: 17,825,484 km (0.109 R)
• M22: 20,222,191 km (0.1 R)
• M23: 21,962,613 km (0.092 R)
• M24: 22,651,212 km (0.104 R)
• M25: 25,174,479 km (0.066 R)
• M26: 27,779,277 km (0.076 R)
• M27: 30,346,377 km (0.115 R)
• M28: 35,124,084 km (0.102 R)
• M29: 36,302,915 km (0.09 R)
• M30: 37,874,441 km (0.041 R)
• M31: 38,614,801 km (0.115 R)
• M32: 42,993,680 km (0.119 R)
• M33: 45,164,196 km (0.102 R)
• M34: 46,416,629 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 804.5

Radius: 7.8

Gravity: 13.22 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 5.44 AU - 6.72 AU

Year: 10348 Days

Day: 23.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 53,538,889 km

• M1: 109,356 km (0.094 R)
• M2: 548,426 km (0.065 R)
• M3: 894,296 km (0.073 R)
• M4: 1,635,554 km (0.108 R)
• M5: 2,292,288 km (0.118 R)
• M6: 2,649,677 km (0.085 R)
• M7: 3,090,243 km (0.074 R)
• M8: 3,402,155 km (0.093 R)
• M9: 4,436,474 km (0.118 R)
• M10: 5,596,756 km (0.036 R)
• M11: 6,513,641 km (0.044 R)
• M12: 6,907,233 km (0.096 R)
• M13: 7,960,851 km (0.074 R)
• M14: 9,214,930 km (0.043 R)
• M15: 9,863,586 km (0.1 R)
• M16: 12,286,174 km (0.106 R)
• M17: 13,071,712 km (0.057 R)
• M18: 13,445,258 km (0.057 R)
• M19: 13,698,378 km (0.113 R)
• M20: 14,876,611 km (0.05 R)
• M21: 15,629,238 km (0.093 R)
• M22: 19,858,369 km (0.066 R)
• M23: 20,518,844 km (0.12 R)
• M24: 20,939,064 km (0.107 R)
• M25: 22,946,369 km (0.114 R)
• M26: 23,217,290 km (0.032 R)
• M27: 24,416,018 km (0.07 R)
• M28: 30,924,872 km (0.086 R)
• M29: 37,870,103 km (0.075 R)
• M30: 39,013,330 km (0.114 R)
• M31: 39,528,844 km (0.053 R)
• M32: 44,095,020 km (0.096 R)
• M33: 44,374,020 km (0.057 R)
• M34: 48,553,934 km (0.119 R)
• M35: 50,510,075 km (0.1 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 515

Radius: 3.4

Gravity: 44.55 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 5.97 AU - 8.63 AU

Year: 13614 Days

Day: 21.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,538,889 km

• M1: 43,832 km (0.067 R)
• M2: 381,026 km (0.098 R)
• M3: 710,291 km (0.075 R)
• M4: 939,774 km (0.065 R)
• M5: 1,130,810 km (0.058 R)
• M6: 1,280,707 km (0.047 R)
• M7: 1,515,726 km (0.108 R)
• M8: 2,144,934 km (0.06 R)
• M9: 2,643,694 km (0.083 R)
• M10: 2,931,669 km (0.079 R)
• M11: 4,917,132 km (0.077 R)
• M12: 7,521,033 km (0.079 R)
• M13: 13,102,978 km (0.087 R)
• M14: 38,394,892 km (0.099 R)
• M15: 41,023,925 km (0.025 R)
• M16: 42,108,360 km (0.116 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 394 - 14,081 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit