🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.7

Radius: 14.9

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.14 AU - 1.8 AU

Year: 1253 Days

Day: 10.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,675,774 km

• M1: 185,352 km (0.12 R)
• M2: 649,704 km (0.085 R)
• M3: 1,260,063 km (0.062 R)
• M4: 2,054,577 km (0.041 R)
• M5: 2,708,021 km (0.09 R)
• M6: 5,939,933 km (0.092 R)
• M7: 6,471,454 km (0.056 R)
• M8: 7,941,253 km (0.1 R)
• M9: 8,477,861 km (0.087 R)
• M10: 8,952,984 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.9

Radius: 9.1

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.71 AU - 2.55 AU

Year: 2185 Days

Day: 11.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,675,774 km

• M1: 113,246 km (0.104 R)
• M2: 527,332 km (0.12 R)
• M3: 853,007 km (0.066 R)
• M4: 1,162,076 km (0.109 R)
• M5: 1,602,044 km (0.111 R)
• M6: 2,116,211 km (0.12 R)
• M7: 2,412,565 km (0.091 R)
• M8: 2,902,947 km (0.061 R)
• M9: 3,603,813 km (0.114 R)
• M10: 4,741,355 km (0.116 R)
• M11: 6,659,200 km (0.081 R)
• M12: 7,222,884 km (0.08 R)
• M13: 9,075,654 km (0.108 R)
• M14: 9,386,369 km (0.105 R)
• M15: 10,095,313 km (0.045 R)
• M16: 12,898,478 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.3

Radius: 12.4

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.78 AU - 3.52 AU

Year: 3930 Days

Day: 13.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,675,774 km

• M1: 154,235 km (0.062 R)
• M2: 672,592 km (0.067 R)
• M3: 1,150,707 km (0.117 R)
• M4: 1,730,249 km (0.078 R)
• M5: 2,147,178 km (0.083 R)
• M6: 2,581,760 km (0.094 R)
• M7: 3,979,004 km (0.095 R)
• M8: 5,105,327 km (0.083 R)
• M9: 5,801,106 km (0.035 R)
• M10: 6,590,833 km (0.085 R)
• M11: 7,145,094 km (0.07 R)
• M12: 8,089,206 km (0.118 R)
• M13: 9,394,297 km (0.105 R)
• M14: 10,396,902 km (0.108 R)
• M15: 12,224,689 km (0.094 R)
• M16: 12,663,909 km (0.091 R)
• M17: 13,063,036 km (0.111 R)
• M18: 16,214,165 km (0.074 R)
• M19: 17,226,344 km (0.101 R)
• M20: 19,179,793 km (0.09 R)
• M21: 21,206,994 km (0.108 R)
• M22: 21,770,978 km (0.107 R)
• M23: 22,635,504 km (0.064 R)
• M24: 26,324,139 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.3

Radius: 12.9

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.74 AU - 4.2 AU

Year: 4544 Days

Day: 6.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,675,774 km

• M1: 161,117 km (0.094 R)
• M2: 664,663 km (0.101 R)
• M3: 1,136,196 km (0.107 R)
• M4: 1,634,058 km (0.112 R)
• M5: 2,055,325 km (0.057 R)
• M6: 2,550,195 km (0.03 R)
• M7: 2,954,558 km (0.111 R)
• M8: 4,386,658 km (0.046 R)
• M9: 7,050,099 km (0.095 R)
• M10: 8,723,351 km (0.088 R)
• M11: 10,120,595 km (0.041 R)
• M12: 10,603,048 km (0.118 R)
• M13: 11,193,212 km (0.1 R)
• M14: 13,354,752 km (0.087 R)
• M15: 14,923,435 km (0.067 R)
• M16: 15,549,651 km (0.064 R)
• M17: 16,015,948 km (0.117 R)
• M18: 16,611,946 km (0.089 R)
• M19: 19,412,119 km (0.104 R)
• M20: 23,261,571 km (0.061 R)
• M21: 24,415,120 km (0.096 R)
• M22: 26,012,078 km (0.109 R)
• M23: 26,919,538 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.7

Radius: 8.9

Gravity: 11.6 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.43 AU - 3.79 AU

Year: 4821 Days

Day: 5 Hours

Environment

Temp: -211 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,675,774 km

• M1: 115,041 km (0.07 R)
• M2: 432,637 km (0.058 R)
• M3: 925,412 km (0.041 R)
• M4: 1,487,601 km (0.112 R)
• M5: 1,888,075 km (0.102 R)
• M6: 2,476,294 km (0.079 R)
• M7: 2,813,786 km (0.12 R)
• M8: 3,121,808 km (0.065 R)
• M9: 3,452,270 km (0.061 R)
• M10: 3,783,181 km (0.081 R)
• M11: 4,535,059 km (0.102 R)
• M12: 5,618,148 km (0.108 R)
• M13: 6,968,119 km (0.116 R)
• M14: 9,722,515 km (0.083 R)
• M15: 10,072,425 km (0.047 R)
• M16: 12,608,109 km (0.078 R)
• M17: 13,130,205 km (0.105 R)
• M18: 13,450,345 km (0.047 R)
• M19: 14,840,707 km (0.111 R)
• M20: 20,713,172 km (0.051 R)
• M21: 21,366,914 km (0.116 R)
• M22: 21,735,823 km (0.116 R)
• M23: 23,022,514 km (0.033 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.1

Radius: 8

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 4.01 AU - 4.19 AU

Year: 5836 Days

Day: 5.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 118.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,675,774 km

• M1: 99,632 km (0.088 R)
• M2: 385,065 km (0.062 R)
• M3: 649,704 km (0.11 R)
• M4: 1,103,135 km (0.065 R)
• M5: 1,870,123 km (0.073 R)
• M6: 2,202,978 km (0.114 R)
• M7: 3,406,643 km (0.1 R)
• M8: 5,024,992 km (0.118 R)
• M9: 5,814,271 km (0.099 R)
• M10: 6,558,819 km (0.09 R)
• M11: 7,602,564 km (0.095 R)
• M12: 8,128,400 km (0.093 R)
• M13: 9,649,063 km (0.112 R)
• M14: 10,140,192 km (0.043 R)
• M15: 10,820,713 km (0.106 R)
• M16: 11,851,742 km (0.116 R)
• M17: 12,462,699 km (0.116 R)
• M18: 14,740,626 km (0.096 R)
• M19: 15,502,528 km (0.097 R)
• M20: 16,005,925 km (0.087 R)
• M21: 16,405,052 km (0.107 R)
• M22: 16,694,075 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394

Radius: 9.7

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 3.76 AU - 5.86 AU

Year: 7415 Days

Day: 9 Hours

Environment

Temp: -230 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,675,774 km

• M1: 121,623 km (0.113 R)
• M2: 439,519 km (0.111 R)
• M3: 2,479,884 km (0.068 R)
• M4: 3,563,870 km (0.093 R)
• M5: 5,593,315 km (0.034 R)
• M6: 6,436,299 km (0.056 R)
• M7: 8,373,142 km (0.054 R)
• M8: 10,216,487 km (0.106 R)
• M9: 10,578,664 km (0.087 R)
• M10: 11,667,886 km (0.111 R)
• M11: 12,622,769 km (0.108 R)
• M12: 13,902,130 km (0.107 R)
• M13: 14,347,333 km (0.076 R)
• M14: 14,687,369 km (0.068 R)
• M15: 19,543,615 km (0.096 R)
• M16: 21,992,832 km (0.09 R)
• M17: 22,445,216 km (0.088 R)
• M18: 27,145,431 km (0.055 R)
• M19: 27,578,966 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 910.7

Radius: 4

Gravity: 56.92 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 5.44 AU - 7.56 AU

Year: 11649 Days

Day: 16.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 56,675,774 km

• M1: 49,816 km (0.115 R)
• M2: 186,848 km (0.101 R)
• M3: 346,469 km (0.1 R)
• M4: 679,025 km (0.045 R)
• M5: 1,062,594 km (0.078 R)
• M6: 1,235,978 km (0.081 R)
• M7: 1,786,647 km (0.06 R)
• M8: 2,164,083 km (0.082 R)
• M9: 2,485,718 km (0.09 R)
• M10: 2,978,942 km (0.104 R)
• M11: 3,725,286 km (0.107 R)
• M12: 4,782,794 km (0.116 R)
• M13: 6,102,696 km (0.079 R)
• M14: 6,700,937 km (0.098 R)
• M15: 7,078,223 km (0.107 R)
• M16: 8,106,260 km (0.065 R)
• M17: 8,390,047 km (0.067 R)
• M18: 9,909,213 km (0.064 R)
• M19: 13,153,243 km (0.108 R)
• M20: 13,944,466 km (0.116 R)
• M21: 16,735,065 km (0.057 R)
• M22: 17,428,002 km (0.025 R)
• M23: 19,706,228 km (0.113 R)
• M24: 20,305,218 km (0.102 R)
• M25: 22,729,900 km (0.092 R)
• M26: 23,010,696 km (0.082 R)
• M27: 25,041,188 km (0.118 R)
• M28: 26,978,480 km (0.103 R)
• M29: 28,794,449 km (0.089 R)
• M30: 29,343,772 km (0.115 R)
• M31: 38,045,431 km (0.1 R)
• M32: 40,735,949 km (0.09 R)
• M33: 42,409,800 km (0.119 R)
• M34: 48,938,849 km (0.063 R)
• M35: 49,250,611 km (0.081 R)
• M36: 49,406,941 km (0.08 R)
• M37: 57,307,803 km (0.084 R)
• M38: 57,654,122 km (0.097 R)
• M39: 57,827,655 km (0.082 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 614

Radius: 6.2

Gravity: 15.97 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 7.06 AU - 7.34 AU

Year: 13580 Days

Day: 18.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 56,675,774 km

• M1: 77,791 km (0.041 R)
• M2: 300,393 km (0.03 R)
• M3: 593,754 km (0.119 R)
• M4: 793,018 km (0.094 R)
• M5: 1,118,543 km (0.115 R)
• M6: 2,111,125 km (0.09 R)
• M7: 2,462,381 km (0.112 R)
• M8: 2,990,761 km (0.044 R)
• M9: 4,210,731 km (0.095 R)
• M10: 4,483,598 km (0.087 R)
• M11: 4,703,806 km (0.081 R)
• M12: 5,586,134 km (0.114 R)
• M13: 6,858,913 km (0.118 R)
• M14: 8,173,878 km (0.078 R)
• M15: 10,558,767 km (0.039 R)
• M16: 13,435,983 km (0.114 R)
• M17: 15,548,903 km (0.085 R)
• M18: 17,252,823 km (0.034 R)
• M19: 17,639,085 km (0.107 R)
• M20: 18,670,263 km (0.067 R)
• M21: 27,455,996 km (0.032 R)
• M22: 31,056,069 km (0.112 R)
• M23: 34,713,288 km (0.035 R)
• M24: 35,328,734 km (0.086 R)
• M25: 38,911,154 km (0.052 R)
• M26: 42,447,648 km (0.065 R)
• M27: 44,582,409 km (0.101 R)
• M28: 51,573,567 km (0.073 R)
• M29: 54,166,846 km (0.095 R)
• M30: 55,495,574 km (0.12 R)
• M31: 55,830,973 km (0.083 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 163 - 16,772 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit