🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.4

Radius: 11.6

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.89 AU - 0.89 AU

Year: 569 Days

Day: 7.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,140,015 km

• M1: 144,212 km (0.102 R)
• M2: 726,447 km (0.032 R)
• M3: 1,180,626 km (0.092 R)
• M4: 1,609,673 km (0.085 R)
• M5: 2,037,972 km (0.118 R)
• M6: 2,406,880 km (0.106 R)
• M7: 2,830,093 km (0.071 R)
• M8: 3,230,865 km (0.114 R)
• M9: 3,909,740 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.4

Radius: 14

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.26 AU - 1.74 AU

Year: 1246 Days

Day: 5.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,140,015 km

• M1: 174,132 km (0.101 R)
• M2: 666,608 km (0.092 R)
• M3: 1,318,107 km (0.101 R)
• M4: 1,758,373 km (0.113 R)
• M5: 2,616,616 km (0.035 R)
• M6: 3,343,662 km (0.036 R)
• M7: 4,184,701 km (0.103 R)
• M8: 5,435,040 km (0.094 R)
• M9: 7,176,359 km (0.086 R)
• M10: 8,547,574 km (0.078 R)
• M11: 9,081,937 km (0.119 R)
• M12: 10,583,152 km (0.064 R)
• M13: 11,517,390 km (0.09 R)
• M14: 12,023,031 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.3

Radius: 13.6

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.53 AU - 1.75 AU

Year: 1424 Days

Day: 10.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,140,015 km

• M1: 169,195 km (0.112 R)
• M2: 719,267 km (0.086 R)
• M3: 1,604,886 km (0.053 R)
• M4: 2,031,240 km (0.103 R)
• M5: 2,509,205 km (0.08 R)
• M6: 3,346,504 km (0.097 R)
• M7: 4,091,203 km (0.063 R)
• M8: 4,744,646 km (0.109 R)
• M9: 5,686,365 km (0.118 R)
• M10: 6,261,419 km (0.054 R)
• M11: 7,341,665 km (0.036 R)
• M12: 8,194,822 km (0.118 R)
• M13: 9,805,841 km (0.115 R)
• M14: 10,737,836 km (0.112 R)
• M15: 11,510,808 km (0.031 R)
• M16: 12,586,118 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.6

Radius: 10.1

Gravity: 9.39 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 4.19 AU - 5.17 AU

Year: 6867 Days

Day: 6.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 65,140,015 km

• M1: 125,662 km (0.084 R)
• M2: 489,185 km (0.1 R)
• M3: 1,317,359 km (0.117 R)
• M4: 1,647,521 km (0.097 R)
• M5: 2,480,632 km (0.116 R)
• M6: 2,868,090 km (0.114 R)
• M7: 4,280,444 km (0.108 R)
• M8: 4,639,479 km (0.036 R)
• M9: 5,450,150 km (0.101 R)
• M10: 7,083,010 km (0.065 R)
• M11: 7,508,168 km (0.096 R)
• M12: 8,032,358 km (0.111 R)
• M13: 11,079,517 km (0.064 R)
• M14: 11,653,225 km (0.079 R)
• M15: 15,778,985 km (0.097 R)
• M16: 16,438,412 km (0.114 R)
• M17: 19,410,473 km (0.084 R)
• M18: 21,023,138 km (0.044 R)
• M19: 21,983,856 km (0.119 R)
• M20: 23,141,295 km (0.111 R)
• M21: 23,479,386 km (0.117 R)
• M22: 25,308,519 km (0.103 R)
• M23: 26,579,502 km (0.075 R)
• M24: 27,230,852 km (0.042 R)
• M25: 28,565,115 km (0.05 R)
• M26: 30,042,693 km (0.093 R)
• M27: 31,363,792 km (0.07 R)
• M28: 37,849,907 km (0.117 R)
• M29: 39,993,794 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.5

Radius: 10.6

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 4.67 AU - 4.87 AU

Year: 7066 Days

Day: 11.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 65,140,015 km

• M1: 131,945 km (0.111 R)
• M2: 581,188 km (0.119 R)
• M3: 934,538 km (0.065 R)
• M4: 1,530,835 km (0.099 R)
• M5: 1,867,430 km (0.059 R)
• M6: 3,111,037 km (0.082 R)
• M7: 3,440,901 km (0.077 R)
• M8: 3,863,365 km (0.038 R)
• M9: 4,295,404 km (0.092 R)
• M10: 4,627,361 km (0.07 R)
• M11: 5,880,842 km (0.115 R)
• M12: 6,259,025 km (0.066 R)
• M13: 6,994,897 km (0.105 R)
• M14: 7,565,613 km (0.111 R)
• M15: 8,128,550 km (0.085 R)
• M16: 9,465,506 km (0.051 R)
• M17: 10,119,548 km (0.093 R)
• M18: 10,526,155 km (0.088 R)
• M19: 12,111,593 km (0.117 R)
• M20: 12,673,932 km (0.111 R)
• M21: 14,579,509 km (0.075 R)
• M22: 17,948,603 km (0.088 R)
• M23: 18,411,608 km (0.085 R)
• M24: 19,778,634 km (0.116 R)
• M25: 20,992,920 km (0.093 R)
• M26: 28,978,304 km (0.063 R)
• M27: 29,432,783 km (0.096 R)
• M28: 30,542,948 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.2

Radius: 13.3

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.92 AU - 6.1 AU

Year: 7606 Days

Day: 12.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,140,015 km

• M1: 171,140 km (0.091 R)
• M2: 1,390,063 km (0.105 R)
• M3: 2,538,526 km (0.099 R)
• M4: 3,005,421 km (0.113 R)
• M5: 4,030,765 km (0.098 R)
• M6: 7,447,880 km (0.067 R)
• M7: 8,242,843 km (0.036 R)
• M8: 9,315,310 km (0.079 R)
• M9: 10,519,124 km (0.118 R)
• M10: 11,179,898 km (0.083 R)
• M11: 12,357,532 km (0.081 R)
• M12: 14,152,856 km (0.102 R)
• M13: 17,847,924 km (0.052 R)
• M14: 18,609,826 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 543.7

Radius: 4.4

Gravity: 28.08 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 5.47 AU - 6.15 AU

Year: 9499 Days

Day: 15.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,140,015 km

• M1: 555,756 km (0.105 R)
• M2: 1,077,853 km (0.106 R)
• M3: 2,120,251 km (0.054 R)
• M4: 2,423,486 km (0.115 R)
• M5: 2,878,861 km (0.063 R)
• M6: 3,604,411 km (0.055 R)
• M7: 3,957,462 km (0.081 R)
• M8: 4,416,728 km (0.109 R)
• M9: 4,910,700 km (0.12 R)
• M10: 6,007,551 km (0.105 R)
• M11: 8,070,207 km (0.11 R)
• M12: 11,021,025 km (0.08 R)
• M13: 20,145,747 km (0.106 R)
• M14: 21,655,937 km (0.113 R)
• M15: 24,899,668 km (0.107 R)
• M16: 30,966,011 km (0.099 R)
• M17: 31,173,204 km (0.092 R)
• M18: 34,950,999 km (0.098 R)
• M19: 37,124,357 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 856.2

Radius: 4

Gravity: 53.51 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 5.87 AU - 6.33 AU

Year: 10218 Days

Day: 24.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 65,140,015 km

• M1: 50,564 km (0.101 R)
• M2: 175,628 km (0.106 R)
• M3: 381,026 km (0.097 R)
• M4: 755,320 km (0.093 R)
• M5: 1,001,707 km (0.117 R)
• M6: 1,210,845 km (0.076 R)
• M7: 1,639,144 km (0.077 R)
• M8: 2,471,058 km (0.059 R)
• M9: 2,615,569 km (0.092 R)
• M10: 3,552,052 km (0.111 R)
• M11: 4,630,353 km (0.099 R)
• M12: 6,513,192 km (0.05 R)
• M13: 6,709,764 km (0.084 R)
• M14: 7,493,357 km (0.11 R)
• M15: 7,973,866 km (0.052 R)
• M16: 8,108,504 km (0.093 R)
• M17: 9,895,151 km (0.026 R)
• M18: 10,050,733 km (0.047 R)
• M19: 10,260,469 km (0.104 R)
• M20: 11,466,976 km (0.042 R)
• M21: 11,928,336 km (0.057 R)
• M22: 14,421,684 km (0.087 R)
• M23: 15,370,433 km (0.106 R)
• M24: 15,860,067 km (0.114 R)
• M25: 17,391,500 km (0.088 R)
• M26: 19,018,676 km (0.114 R)
• M27: 19,339,714 km (0.08 R)
• M28: 20,999,352 km (0.063 R)
• M29: 22,216,032 km (0.109 R)
• M30: 28,798,936 km (0.056 R)
• M31: 30,736,379 km (0.109 R)
• M32: 37,317,039 km (0.07 R)
• M33: 40,667,882 km (0.104 R)
• M34: 41,603,018 km (0.061 R)
• M35: 45,202,493 km (0.119 R)
• M36: 46,495,168 km (0.113 R)
• M37: 46,640,278 km (0.04 R)
• M38: 46,785,836 km (0.071 R)
• M39: 48,256,982 km (0.1 R)
• M40: 51,601,392 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 993.9

Radius: 5.2

Gravity: 36.76 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 7.02 AU - 7.38 AU

Year: 13104 Days

Day: 23.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 65,140,015 km

• M1: 64,776 km (0.119 R)
• M2: 335,548 km (0.084 R)
• M3: 584,030 km (0.114 R)
• M4: 1,140,983 km (0.117 R)
• M5: 1,400,086 km (0.08 R)
• M6: 1,599,201 km (0.117 R)
• M7: 1,852,620 km (0.083 R)
• M8: 5,118,641 km (0.084 R)
• M9: 5,298,158 km (0.104 R)
• M10: 6,633,768 km (0.074 R)
• M11: 11,042,567 km (0.102 R)
• M12: 11,649,037 km (0.097 R)
• M13: 12,149,890 km (0.112 R)
• M14: 12,341,376 km (0.101 R)
• M15: 14,944,528 km (0.077 R)
• M16: 16,529,518 km (0.071 R)
• M17: 17,974,334 km (0.108 R)
• M18: 18,474,140 km (0.035 R)
• M19: 20,929,640 km (0.116 R)
• M20: 21,856,847 km (0.099 R)
• M21: 22,426,067 km (0.091 R)
• M22: 25,317,644 km (0.089 R)
• M23: 27,560,416 km (0.112 R)
• M24: 29,470,182 km (0.09 R)
• M25: 30,988,900 km (0.061 R)
• M26: 31,707,119 km (0.025 R)
• M27: 32,681,899 km (0.117 R)
• M28: 34,308,177 km (0.11 R)
• M29: 34,563,092 km (0.051 R)
• M30: 35,595,467 km (0.071 R)
• M31: 37,182,252 km (0.07 R)
• M32: 42,958,973 km (0.104 R)
• M33: 46,292,014 km (0.117 R)
• M34: 47,230,142 km (0.12 R)
• M35: 56,073,471 km (0.092 R)
• M36: 56,782,415 km (0.085 R)
• M37: 63,242,649 km (0.101 R)
• M38: 64,203,816 km (0.067 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 711.1

Radius: 7.5

Gravity: 12.64 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 6.75 AU - 9.39 AU

Year: 15549 Days

Day: 24.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 68.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 65,140,015 km

• M1: 93,199 km (0.09 R)
• M2: 335,548 km (0.108 R)
• M3: 695,630 km (0.081 R)
• M4: 1,038,209 km (0.055 R)
• M5: 1,303,745 km (0.084 R)
• M6: 1,696,141 km (0.119 R)
• M7: 2,145,832 km (0.082 R)
• M8: 3,153,523 km (0.055 R)
• M9: 3,719,153 km (0.08 R)
• M10: 4,843,979 km (0.105 R)
• M11: 6,633,319 km (0.083 R)
• M12: 7,514,002 km (0.068 R)
• M13: 8,126,904 km (0.107 R)
• M14: 12,139,418 km (0.114 R)
• M15: 13,864,282 km (0.093 R)
• M16: 17,628,912 km (0.037 R)
• M17: 22,023,948 km (0.088 R)
• M18: 22,596,160 km (0.08 R)
• M19: 23,178,096 km (0.073 R)
• M20: 26,345,083 km (0.115 R)
• M21: 30,137,688 km (0.08 R)
• M22: 31,438,741 km (0.077 R)
• M23: 31,679,144 km (0.109 R)
• M24: 32,163,841 km (0.05 R)
• M25: 33,272,511 km (0.05 R)
• M26: 35,826,895 km (0.093 R)
• M27: 39,061,350 km (0.099 R)
• M28: 43,969,058 km (0.071 R)
• M29: 44,572,087 km (0.111 R)
• M30: 53,433,218 km (0.119 R)
• M31: 54,120,022 km (0.039 R)
• M32: 57,462,786 km (0.104 R)
• M33: 60,568,139 km (0.096 R)
• M34: 61,502,377 km (0.112 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 342 - 12,083 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit