🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.62 AU - 0.7 AU

Year: 189 Days

Day: 31.2 Hours

Environment

Temp: 148 °C

Axial Tilt: 29.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.1 AU - 2.38 AU

Year: 1184 Days

Day: 44.8 Hours

Environment

Temp: -64 °C

Axial Tilt: 21.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.74 AU - 3.44 AU

Year: 1918 Days

Day: 23.4 Hours

Environment

Temp: -103 °C

Axial Tilt: 37.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.16 AU - 3.9 AU

Year: 2342 Days

Day: 29.3 Hours

Environment

Temp: -114 °C

Axial Tilt: 1.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 93,248,858 km

• M1: 948,002 km (0.112 R)
• M2: 2,045,452 km (0.067 R)

Asteroid Belt

Center: 5.36 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.8

Radius: 8.5

Gravity: 8.99 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 6.56 AU - 7.82 AU

Year: 6808 Days

Day: 8.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 93,248,858 km

• M1: 111,750 km (0.077 R)
• M2: 514,168 km (0.11 R)
• M3: 845,078 km (0.095 R)
• M4: 1,157,140 km (0.113 R)
• M5: 1,663,828 km (0.076 R)
• M6: 2,037,523 km (0.072 R)
• M7: 2,778,930 km (0.109 R)
• M8: 3,854,688 km (0.101 R)
• M9: 4,675,681 km (0.042 R)
• M10: 6,053,478 km (0.109 R)
• M11: 6,625,540 km (0.078 R)
• M12: 8,977,967 km (0.087 R)
• M13: 9,632,308 km (0.088 R)
• M14: 9,902,781 km (0.087 R)
• M15: 10,553,531 km (0.077 R)
• M16: 11,332,039 km (0.081 R)
• M17: 11,786,367 km (0.119 R)
• M18: 12,624,116 km (0.06 R)
• M19: 13,613,406 km (0.079 R)
• M20: 14,011,785 km (0.026 R)
• M21: 15,932,921 km (0.111 R)
• M22: 16,761,245 km (0.097 R)
• M23: 20,660,513 km (0.025 R)
• M24: 25,724,999 km (0.097 R)
• M25: 26,334,162 km (0.054 R)
• M26: 27,672,165 km (0.085 R)
• M27: 34,519,409 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151

Radius: 13.8

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 9.41 AU - 11.53 AU

Year: 11962 Days

Day: 6.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 93,248,858 km

• M1: 304,581 km (0.084 R)
• M2: 832,063 km (0.114 R)
• M3: 2,508,307 km (0.049 R)
• M4: 3,606,356 km (0.053 R)
• M5: 4,204,598 km (0.095 R)
• M6: 4,814,807 km (0.111 R)
• M7: 11,887,047 km (0.083 R)
• M8: 23,754,496 km (0.053 R)
• M9: 25,611,155 km (0.104 R)
• M10: 28,619,718 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.2

Radius: 11.6

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 10.47 AU - 14.39 AU

Year: 15474 Days

Day: 12.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 93,248,858 km

• M1: 144,212 km (0.118 R)
• M2: 934,987 km (0.097 R)
• M3: 1,958,685 km (0.08 R)
• M4: 2,655,213 km (0.097 R)
• M5: 3,326,009 km (0.115 R)
• M6: 6,888,234 km (0.074 R)
• M7: 7,965,488 km (0.078 R)
• M8: 10,005,554 km (0.085 R)
• M9: 10,565,649 km (0.049 R)
• M10: 15,679,203 km (0.106 R)
• M11: 17,615,598 km (0.094 R)
• M12: 19,793,743 km (0.075 R)
• M13: 20,498,499 km (0.082 R)
• M14: 21,494,970 km (0.11 R)
• M15: 22,618,450 km (0.107 R)
• M16: 23,978,295 km (0.046 R)
• M17: 24,376,524 km (0.089 R)
• M18: 29,621,725 km (0.086 R)
• M19: 32,689,080 km (0.094 R)
• M20: 41,272,407 km (0.099 R)
• M21: 42,277,705 km (0.07 R)
• M22: 43,446,662 km (0.088 R)
• M23: 44,637,013 km (0.073 R)
• M24: 45,849,055 km (0.099 R)
• M25: 47,394,849 km (0.105 R)
• M26: 57,940,602 km (0.105 R)
• M27: 59,200,814 km (0.052 R)
• M28: 61,218,141 km (0.069 R)

Planet 8 - Gas Giant

Semi-Major Axis: 13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.1

Radius: 10.7

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 11.8 AU - 14.2 AU

Year: 16551 Days

Day: 11.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 93,248,858 km

• M1: 134,189 km (0.119 R)
• M2: 541,245 km (0.064 R)
• M3: 1,184,815 km (0.105 R)
• M4: 1,664,127 km (0.118 R)
• M5: 2,391,771 km (0.103 R)
• M6: 4,042,134 km (0.09 R)
• M7: 6,387,829 km (0.078 R)
• M8: 7,060,421 km (0.115 R)
• M9: 8,301,784 km (0.069 R)
• M10: 10,400,792 km (0.074 R)
• M11: 11,695,113 km (0.086 R)
• M12: 12,128,647 km (0.073 R)
• M13: 15,323,011 km (0.111 R)
• M14: 18,618,203 km (0.108 R)
• M15: 21,151,493 km (0.086 R)
• M16: 23,317,820 km (0.116 R)
• M17: 24,504,730 km (0.073 R)
• M18: 26,999,125 km (0.093 R)
• M19: 28,086,551 km (0.08 R)
• M20: 33,841,432 km (0.072 R)
• M21: 35,105,384 km (0.112 R)
• M22: 39,777,475 km (0.088 R)
• M23: 42,189,442 km (0.078 R)
• M24: 42,917,086 km (0.107 R)
• M25: 47,616,404 km (0.116 R)
• M26: 48,882,451 km (0.069 R)
• M27: 49,685,193 km (0.118 R)
• M28: 51,316,857 km (0.102 R)
• M29: 52,479,980 km (0.088 R)
• M30: 52,815,528 km (0.109 R)
• M31: 53,660,756 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 423.4

Radius: 4.4

Gravity: 21.87 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 15.87 AU - 16.03 AU

Year: 22493 Days

Day: 20.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 93,248,858 km

• M1: 54,753 km (0.064 R)
• M2: 443,109 km (0.046 R)
• M3: 623,524 km (0.109 R)
• M4: 852,558 km (0.104 R)
• M5: 2,807,503 km (0.091 R)
• M6: 3,867,703 km (0.094 R)
• M7: 4,020,592 km (0.057 R)
• M8: 4,672,989 km (0.094 R)
• M9: 6,565,551 km (0.084 R)
• M10: 7,096,773 km (0.058 R)
• M11: 7,466,579 km (0.112 R)
• M12: 12,486,934 km (0.115 R)
• M13: 14,076,711 km (0.118 R)
• M14: 14,957,394 km (0.062 R)
• M15: 15,564,611 km (0.104 R)
• M16: 16,109,148 km (0.091 R)
• M17: 16,990,429 km (0.082 R)
• M18: 17,236,367 km (0.072 R)
• M19: 19,289,149 km (0.11 R)
• M20: 22,764,458 km (0.113 R)
• M21: 23,163,435 km (0.058 R)
• M22: 28,092,535 km (0.11 R)
• M23: 28,666,991 km (0.104 R)
• M24: 33,291,959 km (0.11 R)
• M25: 35,246,605 km (0.068 R)
• M26: 37,001,388 km (0.091 R)
• M27: 38,530,876 km (0.027 R)
• M28: 39,957,591 km (0.114 R)
• M29: 42,312,860 km (0.047 R)
• M30: 43,371,863 km (0.112 R)
• M31: 43,524,603 km (0.076 R)
• M32: 47,459,775 km (0.102 R)
• M33: 47,947,314 km (0.09 R)
• M34: 52,486,862 km (0.034 R)
• M35: 54,061,529 km (0.067 R)
• M36: 55,128,611 km (0.113 R)
• M37: 58,042,627 km (0.106 R)
• M38: 59,349,215 km (0.03 R)
• M39: 64,771,540 km (0.11 R)
• M40: 68,426,365 km (0.113 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 922.1

Radius: 4.1

Gravity: 54.85 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 16.04 AU - 16.7 AU

Year: 23387 Days

Day: 23 Hours

Environment

Temp: -193 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 93,248,858 km

• M1: 51,013 km (0.035 R)
• M2: 280,346 km (0.12 R)
• M3: 517,010 km (0.083 R)
• M4: 926,460 km (0.117 R)
• M5: 1,084,585 km (0.112 R)
• M6: 1,542,504 km (0.059 R)
• M7: 1,727,107 km (0.078 R)
• M8: 2,118,904 km (0.072 R)
• M9: 2,371,276 km (0.032 R)
• M10: 3,746,379 km (0.098 R)
• M11: 4,291,365 km (0.086 R)
• M12: 4,657,879 km (0.053 R)
• M13: 5,369,516 km (0.093 R)
• M14: 9,851,169 km (0.096 R)
• M15: 11,082,958 km (0.09 R)
• M16: 13,231,034 km (0.104 R)
• M17: 18,805,200 km (0.1 R)
• M18: 19,682,592 km (0.119 R)
• M19: 21,624,073 km (0.099 R)
• M20: 26,845,039 km (0.076 R)
• M21: 27,458,540 km (0.08 R)
• M22: 28,459,649 km (0.086 R)
• M23: 29,744,993 km (0.065 R)
• M24: 34,692,195 km (0.069 R)
• M25: 34,836,856 km (0.073 R)
• M26: 37,056,589 km (0.118 R)
• M27: 37,664,106 km (0.091 R)
• M28: 40,001,274 km (0.057 R)
• M29: 45,306,762 km (0.062 R)
• M30: 47,056,160 km (0.113 R)
• M31: 49,947,887 km (0.11 R)
• M32: 56,082,596 km (0.09 R)
• M33: 61,633,874 km (0.101 R)
• M34: 63,562,789 km (0.11 R)
• M35: 64,214,437 km (0.046 R)
• M36: 66,196,459 km (0.098 R)
• M37: 66,866,209 km (0.072 R)
• M38: 86,698,399 km (0.097 R)

Kuiper Belt

Range: 31.1 - 56.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 307 - 19,740 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit