🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.5

Radius: 8.7

Gravity: 10.35 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.19 AU - 1.21 AU

Year: 892 Days

Day: 12.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,302,559 km

• M1: 108,159 km (0.053 R)
• M2: 467,045 km (0.099 R)
• M3: 755,918 km (0.052 R)
• M4: 1,195,885 km (0.089 R)
• M5: 1,475,783 km (0.105 R)
• M6: 1,846,187 km (0.03 R)
• M7: 2,224,520 km (0.072 R)
• M8: 2,690,219 km (0.117 R)
• M9: 3,233,558 km (0.1 R)
• M10: 3,561,177 km (0.113 R)
• M11: 4,350,306 km (0.11 R)
• M12: 4,913,692 km (0.098 R)
• M13: 5,406,467 km (0.037 R)
• M14: 5,787,194 km (0.073 R)
• M15: 6,624,942 km (0.097 R)
• M16: 7,322,517 km (0.109 R)
• M17: 8,017,099 km (0.091 R)
• M18: 9,224,205 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.1

Radius: 12.7

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.36 AU - 1.88 AU

Year: 1399 Days

Day: 11.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,302,559 km

• M1: 165,455 km (0.097 R)
• M2: 600,635 km (0.111 R)
• M3: 1,003,503 km (0.091 R)
• M4: 1,408,464 km (0.108 R)
• M5: 2,041,413 km (0.112 R)
• M6: 2,927,331 km (0.079 R)
• M7: 3,381,660 km (0.117 R)
• M8: 4,995,821 km (0.107 R)
• M9: 6,897,359 km (0.054 R)
• M10: 10,359,503 km (0.081 R)
• M11: 11,494,502 km (0.108 R)
• M12: 11,963,791 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.2

Radius: 8.9

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.58 AU - 1.66 AU

Year: 1399 Days

Day: 7.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,302,559 km

• M1: 110,702 km (0.064 R)
• M2: 475,871 km (0.098 R)
• M3: 844,929 km (0.1 R)
• M4: 1,332,767 km (0.109 R)
• M5: 1,609,823 km (0.077 R)
• M6: 2,430,068 km (0.1 R)
• M7: 3,906,449 km (0.074 R)
• M8: 4,196,071 km (0.053 R)
• M9: 5,098,445 km (0.094 R)
• M10: 5,501,162 km (0.047 R)
• M11: 6,024,456 km (0.053 R)
• M12: 7,102,907 km (0.056 R)
• M13: 8,355,041 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.4

Radius: 13.6

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.69 AU - 2.07 AU

Year: 1748 Days

Day: 14.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,302,559 km

• M1: 169,794 km (0.087 R)
• M2: 655,987 km (0.107 R)
• M3: 1,281,007 km (0.077 R)
• M4: 1,767,050 km (0.119 R)
• M5: 2,502,922 km (0.071 R)
• M6: 3,483,985 km (0.086 R)
• M7: 4,136,082 km (0.108 R)
• M8: 4,787,581 km (0.097 R)
• M9: 5,374,752 km (0.106 R)
• M10: 7,294,841 km (0.029 R)
• M11: 8,878,484 km (0.114 R)
• M12: 10,715,695 km (0.12 R)
• M13: 11,985,781 km (0.046 R)
• M14: 13,887,918 km (0.101 R)
• M15: 14,350,774 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.4

Radius: 13.2

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.48 AU - 2.56 AU

Year: 2713 Days

Day: 8.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,302,559 km

• M1: 164,558 km (0.062 R)
• M2: 611,706 km (0.118 R)
• M3: 1,362,687 km (0.098 R)
• M4: 2,263,416 km (0.081 R)
• M5: 3,355,331 km (0.092 R)
• M6: 3,846,460 km (0.049 R)
• M7: 4,385,312 km (0.093 R)
• M8: 4,872,702 km (0.092 R)
• M9: 5,505,351 km (0.111 R)
• M10: 6,003,662 km (0.111 R)
• M11: 7,091,388 km (0.081 R)
• M12: 7,793,451 km (0.099 R)
• M13: 8,306,272 km (0.114 R)
• M14: 9,056,057 km (0.12 R)
• M15: 10,519,124 km (0.053 R)
• M16: 11,325,157 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.7

Radius: 14.2

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.63 AU - 3.27 AU

Year: 3437 Days

Day: 13.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,302,559 km

• M1: 178,470 km (0.084 R)
• M2: 1,021,005 km (0.097 R)
• M3: 1,539,212 km (0.068 R)
• M4: 2,976,698 km (0.074 R)
• M5: 4,282,987 km (0.081 R)
• M6: 5,368,918 km (0.087 R)
• M7: 6,656,058 km (0.074 R)
• M8: 7,399,111 km (0.108 R)
• M9: 8,027,123 km (0.039 R)
• M10: 11,287,907 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.4

Radius: 8.7

Gravity: 12.7 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.2 AU - 3.58 AU

Year: 4233 Days

Day: 7.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 65.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,302,559 km

• M1: 111,750 km (0.106 R)
• M2: 424,858 km (0.085 R)
• M3: 858,841 km (0.058 R)
• M4: 1,855,612 km (0.061 R)
• M5: 2,572,784 km (0.114 R)
• M6: 3,061,969 km (0.088 R)
• M7: 3,400,958 km (0.114 R)
• M8: 3,676,966 km (0.117 R)
• M9: 4,154,782 km (0.091 R)
• M10: 4,802,989 km (0.071 R)
• M11: 5,234,579 km (0.105 R)
• M12: 6,051,683 km (0.119 R)
• M13: 6,884,344 km (0.085 R)
• M14: 7,937,813 km (0.086 R)
• M15: 9,629,914 km (0.115 R)
• M16: 11,221,187 km (0.098 R)
• M17: 11,981,892 km (0.08 R)
• M18: 13,186,903 km (0.076 R)
• M19: 20,514,206 km (0.089 R)
• M20: 21,148,202 km (0.064 R)
• M21: 21,578,146 km (0.11 R)
• M22: 23,280,121 km (0.094 R)
• M23: 26,120,985 km (0.11 R)
• M24: 28,658,464 km (0.082 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.3

Radius: 13.5

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 4.87 AU - 6.29 AU

Year: 8940 Days

Day: 13.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,302,559 km

• M1: 167,998 km (0.1 R)
• M2: 913,893 km (0.112 R)
• M3: 1,727,407 km (0.117 R)
• M4: 2,590,886 km (0.101 R)
• M5: 3,606,057 km (0.115 R)
• M6: 4,205,645 km (0.094 R)
• M7: 6,204,871 km (0.1 R)
• M8: 7,729,572 km (0.096 R)
• M9: 9,083,433 km (0.075 R)
• M10: 10,344,244 km (0.119 R)
• M11: 12,367,106 km (0.119 R)
• M12: 12,982,552 km (0.062 R)
• M13: 13,973,788 km (0.106 R)
• M14: 15,394,668 km (0.084 R)
• M15: 15,910,781 km (0.12 R)
• M16: 17,182,961 km (0.055 R)
• M17: 19,477,493 km (0.092 R)
• M18: 22,459,278 km (0.099 R)
• M19: 23,801,470 km (0.114 R)
• M20: 25,285,481 km (0.065 R)
• M21: 30,915,597 km (0.099 R)
• M22: 37,329,755 km (0.081 R)
• M23: 38,616,446 km (0.113 R)
• M24: 39,932,608 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 684.6

Radius: 4

Gravity: 42.79 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 4.84 AU - 6.96 AU

Year: 9720 Days

Day: 18.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,302,559 km

• M1: 72,106 km (0.05 R)
• M2: 211,531 km (0.101 R)
• M3: 337,642 km (0.032 R)
• M4: 563,685 km (0.115 R)
• M5: 1,005,447 km (0.118 R)
• M6: 1,255,725 km (0.103 R)
• M7: 2,772,497 km (0.067 R)
• M8: 3,240,140 km (0.116 R)
• M9: 6,317,817 km (0.099 R)
• M10: 7,570,550 km (0.118 R)
• M11: 8,255,259 km (0.077 R)
• M12: 9,845,335 km (0.088 R)
• M13: 10,607,686 km (0.069 R)
• M14: 11,353,880 km (0.048 R)
• M15: 13,989,196 km (0.049 R)
• M16: 15,148,430 km (0.077 R)
• M17: 20,427,440 km (0.052 R)
• M18: 22,000,760 km (0.108 R)
• M19: 23,034,931 km (0.083 R)
• M20: 29,204,945 km (0.119 R)
• M21: 29,824,430 km (0.119 R)
• M22: 36,628,739 km (0.112 R)
• M23: 37,834,648 km (0.118 R)
• M24: 39,316,116 km (0.111 R)
• M25: 40,836,030 km (0.074 R)
• M26: 42,394,541 km (0.043 R)
• M27: 42,922,771 km (0.092 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 983.5

Radius: 7.3

Gravity: 18.46 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 6.84 AU - 7.46 AU

Year: 12967 Days

Day: 19.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 64,302,559 km

• M1: 228,586 km (0.118 R)
• M2: 581,637 km (0.072 R)
• M3: 1,180,776 km (0.108 R)
• M4: 1,656,796 km (0.084 R)
• M5: 2,461,932 km (0.046 R)
• M6: 2,704,730 km (0.103 R)
• M7: 3,504,181 km (0.084 R)
• M8: 5,231,737 km (0.078 R)
• M9: 7,326,107 km (0.113 R)
• M10: 9,596,404 km (0.103 R)
• M11: 10,371,321 km (0.096 R)
• M12: 11,067,998 km (0.117 R)
• M13: 13,012,172 km (0.095 R)
• M14: 16,766,181 km (0.113 R)
• M15: 17,002,546 km (0.071 R)
• M16: 21,185,003 km (0.111 R)
• M17: 23,170,167 km (0.045 R)
• M18: 26,963,969 km (0.067 R)
• M19: 27,506,560 km (0.111 R)
• M20: 28,951,078 km (0.088 R)
• M21: 31,390,420 km (0.065 R)
• M22: 41,218,701 km (0.107 R)
• M23: 49,604,111 km (0.085 R)
• M24: 52,409,220 km (0.101 R)
• M25: 61,830,745 km (0.114 R)
• M26: 62,773,810 km (0.1 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 491 - 12,332 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit