🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.1

Radius: 13.3

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.57 AU - 0.59 AU

Year: 300 Days

Day: 13.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 145.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,192,790 km

• M1: 165,455 km (0.1 R)
• M2: 600,635 km (0.105 R)
• M3: 1,090,419 km (0.038 R)
• M4: 1,653,954 km (0.04 R)
• M5: 2,515,638 km (0.093 R)
• M6: 3,298,035 km (0.074 R)
• M7: 3,764,930 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.6

Radius: 14.8

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.61 AU - 0.65 AU

Year: 339 Days

Day: 8.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 125.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,192,790 km

• M1: 184,005 km (0.031 R)
• M2: 712,086 km (0.062 R)
• M3: 1,425,668 km (0.062 R)
• M4: 2,327,743 km (0.106 R)
• M5: 3,223,984 km (0.087 R)
• M6: 4,354,046 km (0.092 R)
• M7: 5,123,428 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.8

Radius: 8.3

Gravity: 10.01 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.86 AU - 1.4 AU

Year: 815 Days

Day: 8.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,192,790 km

• M1: 103,223 km (0.111 R)
• M2: 361,428 km (0.114 R)
• M3: 705,055 km (0.093 R)
• M4: 1,424,621 km (0.081 R)
• M5: 1,917,845 km (0.098 R)
• M6: 2,292,887 km (0.095 R)
• M7: 2,836,226 km (0.12 R)
• M8: 3,407,092 km (0.089 R)
• M9: 3,720,200 km (0.086 R)
• M10: 4,673,288 km (0.117 R)
• M11: 5,024,693 km (0.091 R)
• M12: 5,318,503 km (0.067 R)
• M13: 5,662,728 km (0.041 R)
• M14: 6,001,268 km (0.087 R)
• M15: 6,269,348 km (0.073 R)
• M16: 8,199,459 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.6

Radius: 9.6

Gravity: 10.41 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.79 AU - 2.43 AU

Year: 2079 Days

Day: 12.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,192,790 km

• M1: 119,529 km (0.117 R)
• M2: 687,402 km (0.11 R)
• M3: 1,013,974 km (0.096 R)
• M4: 1,380,190 km (0.108 R)
• M5: 2,443,083 km (0.072 R)
• M6: 3,163,546 km (0.087 R)
• M7: 3,601,120 km (0.107 R)
• M8: 4,158,970 km (0.082 R)
• M9: 5,896,550 km (0.102 R)
• M10: 7,636,523 km (0.052 R)
• M11: 9,658,787 km (0.113 R)
• M12: 10,243,415 km (0.116 R)
• M13: 11,007,112 km (0.119 R)
• M14: 11,323,063 km (0.06 R)
• M15: 12,139,568 km (0.032 R)
• M16: 12,777,304 km (0.099 R)
• M17: 13,259,009 km (0.1 R)
• M18: 13,662,175 km (0.108 R)
• M19: 15,017,083 km (0.064 R)
• M20: 15,504,473 km (0.111 R)
• M21: 18,821,058 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.3

Radius: 15

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.32 AU - 2.66 AU

Year: 2665 Days

Day: 10 Hours

Environment

Temp: -207 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,192,790 km

• M1: 186,549 km (0.099 R)
• M2: 793,766 km (0.078 R)
• M3: 1,389,914 km (0.092 R)
• M4: 3,303,719 km (0.117 R)
• M5: 3,859,924 km (0.066 R)
• M6: 5,143,175 km (0.081 R)
• M7: 6,005,008 km (0.028 R)
• M8: 6,912,319 km (0.083 R)
• M9: 7,386,544 km (0.104 R)
• M10: 8,262,440 km (0.082 R)
• M11: 9,720,421 km (0.12 R)
• M12: 11,275,940 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.4

Radius: 8.1

Gravity: 12.49 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.51 AU - 3.79 AU

Year: 4730 Days

Day: 13.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 57,192,790 km

• M1: 100,679 km (0.093 R)
• M2: 424,110 km (0.088 R)
• M3: 720,314 km (0.034 R)
• M4: 1,268,590 km (0.111 R)
• M5: 1,983,817 km (0.028 R)
• M6: 2,333,128 km (0.101 R)
• M7: 3,058,528 km (0.043 R)
• M8: 3,613,088 km (0.109 R)
• M9: 4,257,256 km (0.091 R)
• M10: 6,553,284 km (0.116 R)
• M11: 7,617,075 km (0.059 R)
• M12: 8,911,695 km (0.112 R)
• M13: 10,615,615 km (0.046 R)
• M14: 11,213,258 km (0.048 R)
• M15: 12,126,703 km (0.097 R)
• M16: 12,831,009 km (0.118 R)
• M17: 13,456,179 km (0.072 R)
• M18: 14,823,503 km (0.118 R)
• M19: 15,165,035 km (0.11 R)
• M20: 17,514,320 km (0.054 R)
• M21: 18,283,403 km (0.06 R)
• M22: 21,152,989 km (0.089 R)
• M23: 21,513,371 km (0.093 R)
• M24: 23,377,659 km (0.12 R)
• M25: 25,590,511 km (0.032 R)
• M26: 26,831,724 km (0.1 R)
• M27: 28,548,360 km (0.045 R)
• M28: 29,344,370 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 791.3

Radius: 3.4

Gravity: 68.45 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 5.4 AU - 7.9 AU

Year: 11631 Days

Day: 17.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 57,192,790 km

• M1: 43,533 km (0.116 R)
• M2: 441,912 km (0.103 R)
• M3: 602,431 km (0.112 R)
• M4: 791,672 km (0.053 R)
• M5: 963,859 km (0.117 R)
• M6: 1,223,561 km (0.107 R)
• M7: 1,426,117 km (0.103 R)
• M8: 3,140,658 km (0.111 R)
• M9: 4,492,424 km (0.067 R)
• M10: 6,150,866 km (0.043 R)
• M11: 9,699,178 km (0.097 R)
• M12: 10,553,980 km (0.093 R)
• M13: 14,749,901 km (0.053 R)
• M14: 15,377,165 km (0.1 R)
• M15: 16,240,794 km (0.068 R)
• M16: 19,601,360 km (0.053 R)
• M17: 21,487,490 km (0.064 R)
• M18: 22,474,387 km (0.107 R)
• M19: 23,773,495 km (0.088 R)
• M20: 27,550,692 km (0.066 R)
• M21: 32,053,737 km (0.113 R)
• M22: 32,169,377 km (0.04 R)
• M23: 45,475,210 km (0.075 R)
• M24: 45,767,374 km (0.081 R)
• M25: 46,355,443 km (0.079 R)
• M26: 46,503,246 km (0.045 R)
• M27: 49,990,223 km (0.111 R)
• M28: 52,837,669 km (0.104 R)
• M29: 52,999,085 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 684.8

Radius: 3.9

Gravity: 45.02 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 5.59 AU - 8.89 AU

Year: 13213 Days

Day: 22.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 57,192,790 km

• M1: 48,919 km (0.052 R)
• M2: 239,207 km (0.086 R)
• M3: 379,231 km (0.117 R)
• M4: 645,964 km (0.044 R)
• M5: 1,440,328 km (0.096 R)
• M6: 1,749,697 km (0.073 R)
• M7: 1,902,735 km (0.09 R)
• M8: 2,395,810 km (0.047 R)
• M9: 2,520,724 km (0.119 R)
• M10: 2,993,005 km (0.074 R)
• M11: 3,187,631 km (0.064 R)
• M12: 3,339,024 km (0.086 R)
• M13: 4,051,858 km (0.118 R)
• M14: 6,267,403 km (0.069 R)
• M15: 7,697,409 km (0.088 R)
• M16: 10,174,899 km (0.056 R)
• M17: 10,896,709 km (0.047 R)
• M18: 11,592,638 km (0.052 R)
• M19: 12,317,739 km (0.077 R)
• M20: 13,072,460 km (0.119 R)
• M21: 13,395,891 km (0.037 R)
• M22: 13,924,420 km (0.063 R)
• M23: 15,377,913 km (0.092 R)
• M24: 15,521,377 km (0.06 R)
• M25: 17,005,837 km (0.089 R)
• M26: 20,082,018 km (0.04 R)
• M27: 20,253,457 km (0.07 R)
• M28: 20,949,237 km (0.12 R)
• M29: 23,131,571 km (0.116 R)
• M30: 24,374,729 km (0.1 R)
• M31: 24,667,941 km (0.114 R)
• M32: 30,240,910 km (0.025 R)
• M33: 35,585,444 km (0.095 R)
• M34: 38,019,252 km (0.101 R)
• M35: 44,366,390 km (0.099 R)
• M36: 47,181,672 km (0.119 R)
• M37: 48,710,263 km (0.084 R)
• M38: 57,021,622 km (0.058 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 404.7

Radius: 4.7

Gravity: 18.32 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 7.7 AU - 9.41 AU

Year: 16957 Days

Day: 15 Hours

Environment

Temp: -228 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 57,192,790 km

• M1: 58,493 km (0.069 R)
• M2: 650,302 km (0.112 R)
• M3: 1,312,721 km (0.1 R)
• M4: 2,074,623 km (0.106 R)
• M5: 2,859,563 km (0.103 R)
• M6: 3,552,949 km (0.115 R)
• M7: 3,938,912 km (0.093 R)
• M8: 5,475,880 km (0.112 R)
• M9: 6,536,380 km (0.095 R)
• M10: 6,698,245 km (0.055 R)
• M11: 7,817,087 km (0.094 R)
• M12: 9,825,738 km (0.106 R)
• M13: 10,418,145 km (0.107 R)
• M14: 10,583,750 km (0.115 R)
• M15: 11,555,538 km (0.119 R)
• M16: 13,675,190 km (0.09 R)
• M17: 14,209,105 km (0.062 R)
• M18: 15,389,731 km (0.097 R)
• M19: 15,894,175 km (0.096 R)
• M20: 17,088,864 km (0.051 R)
• M21: 19,404,639 km (0.105 R)
• M22: 19,993,456 km (0.064 R)
• M23: 22,284,697 km (0.091 R)
• M24: 22,652,110 km (0.09 R)
• M25: 23,969,618 km (0.054 R)
• M26: 25,040,140 km (0.07 R)
• M27: 26,653,553 km (0.098 R)
• M28: 28,442,445 km (0.054 R)
• M29: 31,445,323 km (0.037 R)
• M30: 32,609,194 km (0.104 R)
• M31: 37,552,058 km (0.085 R)
• M32: 43,255,327 km (0.05 R)
• M33: 45,866,707 km (0.108 R)
• M34: 46,760,106 km (0.102 R)
• M35: 51,241,759 km (0.113 R)
• M36: 52,042,257 km (0.113 R)
• M37: 52,364,790 km (0.052 R)
• M38: 55,832,469 km (0.092 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 397 - 11,029 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit