🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.6

Radius: 11.7

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.78 AU - 0.82 AU

Year: 503 Days

Day: 8.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,180,947 km

• M1: 145,559 km (0.06 R)
• M2: 533,616 km (0.114 R)
• M3: 966,402 km (0.053 R)
• M4: 1,576,313 km (0.089 R)
• M5: 2,168,571 km (0.042 R)
• M6: 2,537,180 km (0.116 R)
• M7: 3,080,071 km (0.041 R)
• M8: 3,574,043 km (0.1 R)
• M9: 4,428,695 km (0.118 R)
• M10: 4,828,271 km (0.082 R)
• M11: 5,219,619 km (0.067 R)
• M12: 5,785,997 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.7

Radius: 10.9

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.84 AU - 0.84 AU

Year: 541 Days

Day: 9.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,180,947 km

• M1: 135,536 km (0.05 R)
• M2: 475,422 km (0.074 R)
• M3: 1,087,277 km (0.086 R)
• M4: 1,539,960 km (0.116 R)
• M5: 2,094,071 km (0.108 R)
• M6: 3,325,860 km (0.108 R)
• M7: 4,018,797 km (0.065 R)
• M8: 4,559,444 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.8

Radius: 11.6

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.21 AU - 1.43 AU

Year: 1066 Days

Day: 7.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,180,947 km

• M1: 144,811 km (0.053 R)
• M2: 526,734 km (0.103 R)
• M3: 910,303 km (0.051 R)
• M4: 1,284,747 km (0.082 R)
• M5: 1,934,151 km (0.103 R)
• M6: 2,465,971 km (0.077 R)
• M7: 3,245,675 km (0.049 R)
• M8: 4,216,416 km (0.03 R)
• M9: 4,889,906 km (0.118 R)
• M10: 5,451,047 km (0.12 R)
• M11: 6,273,088 km (0.093 R)
• M12: 7,445,785 km (0.079 R)
• M13: 7,927,939 km (0.053 R)
• M14: 8,566,722 km (0.091 R)
• M15: 9,268,186 km (0.073 R)
• M16: 10,129,571 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.2

Radius: 11.2

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.44 AU - 2.46 AU

Year: 2696 Days

Day: 8.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 76,180,947 km

• M1: 139,575 km (0.117 R)
• M2: 528,380 km (0.11 R)
• M3: 1,438,084 km (0.061 R)
• M4: 2,625,443 km (0.067 R)
• M5: 5,631,761 km (0.071 R)
• M6: 6,935,208 km (0.117 R)
• M7: 8,306,123 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.3

Radius: 10.9

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.04 AU - 3.66 AU

Year: 4310 Days

Day: 12.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,180,947 km

• M1: 135,685 km (0.112 R)
• M2: 492,476 km (0.104 R)
• M3: 1,083,986 km (0.106 R)
• M4: 1,541,456 km (0.098 R)
• M5: 1,957,039 km (0.093 R)
• M6: 2,317,570 km (0.069 R)
• M7: 2,881,554 km (0.11 R)
• M8: 4,320,686 km (0.112 R)
• M9: 5,057,754 km (0.094 R)
• M10: 5,723,315 km (0.058 R)
• M11: 7,280,330 km (0.067 R)
• M12: 8,295,800 km (0.077 R)
• M13: 9,586,680 km (0.114 R)
• M14: 10,672,462 km (0.041 R)
• M15: 11,417,459 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.2

Radius: 12.7

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 3.41 AU - 5.41 AU

Year: 6510 Days

Day: 12.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 76,180,947 km

• M1: 158,125 km (0.115 R)
• M2: 599,588 km (0.035 R)
• M3: 1,448,407 km (0.111 R)
• M4: 1,947,615 km (0.093 R)
• M5: 2,416,305 km (0.073 R)
• M6: 3,262,281 km (0.095 R)
• M7: 3,907,646 km (0.059 R)
• M8: 4,537,902 km (0.083 R)
• M9: 5,021,402 km (0.113 R)
• M10: 6,811,341 km (0.088 R)
• M11: 9,112,006 km (0.053 R)
• M12: 9,718,626 km (0.063 R)
• M13: 10,266,154 km (0.116 R)
• M14: 13,888,816 km (0.052 R)
• M15: 14,475,688 km (0.085 R)
• M16: 15,871,137 km (0.066 R)
• M17: 16,336,087 km (0.104 R)
• M18: 18,224,461 km (0.061 R)
• M19: 20,322,272 km (0.095 R)
• M20: 23,239,431 km (0.074 R)
• M21: 27,995,746 km (0.052 R)
• M22: 28,589,799 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 962.6

Radius: 6.6

Gravity: 22.1 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 5.02 AU - 5.92 AU

Year: 8993 Days

Day: 17.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 76,180,947 km

• M1: 82,129 km (0.117 R)
• M2: 290,519 km (0.099 R)
• M3: 613,800 km (0.113 R)
• M4: 881,281 km (0.084 R)
• M5: 1,262,606 km (0.087 R)
• M6: 2,079,710 km (0.102 R)
• M7: 2,431,414 km (0.111 R)
• M8: 3,424,146 km (0.061 R)
• M9: 4,136,232 km (0.086 R)
• M10: 5,501,910 km (0.114 R)
• M11: 5,921,383 km (0.083 R)
• M12: 6,324,400 km (0.108 R)
• M13: 6,706,473 km (0.078 R)
• M14: 7,432,920 km (0.081 R)
• M15: 8,210,530 km (0.082 R)
• M16: 12,332,549 km (0.095 R)
• M17: 15,645,993 km (0.118 R)
• M18: 17,580,443 km (0.029 R)
• M19: 19,349,587 km (0.096 R)
• M20: 22,351,567 km (0.102 R)
• M21: 24,610,047 km (0.059 R)
• M22: 30,967,208 km (0.118 R)
• M23: 35,050,033 km (0.059 R)
• M24: 37,838,089 km (0.06 R)
• M25: 40,250,055 km (0.106 R)
• M26: 45,518,443 km (0.118 R)
• M27: 46,367,561 km (0.107 R)
• M28: 47,083,387 km (0.118 R)
• M29: 47,951,952 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 274.8

Radius: 6.1

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 6.01 AU - 9.21 AU

Year: 14757 Days

Day: 20.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 76,180,947 km

• M1: 75,846 km (0.096 R)
• M2: 505,641 km (0.12 R)
• M3: 700,417 km (0.117 R)
• M4: 927,208 km (0.039 R)
• M5: 1,274,275 km (0.119 R)
• M6: 1,574,817 km (0.085 R)
• M7: 2,071,033 km (0.108 R)
• M8: 2,264,014 km (0.066 R)
• M9: 3,159,956 km (0.116 R)
• M10: 3,738,301 km (0.077 R)
• M11: 4,079,833 km (0.086 R)
• M12: 6,037,620 km (0.071 R)
• M13: 6,287,898 km (0.06 R)
• M14: 7,812,001 km (0.073 R)
• M15: 8,727,241 km (0.108 R)
• M16: 11,297,781 km (0.064 R)
• M17: 14,843,699 km (0.101 R)
• M18: 15,169,074 km (0.112 R)
• M19: 16,105,108 km (0.106 R)
• M20: 16,310,656 km (0.097 R)
• M21: 18,091,918 km (0.085 R)
• M22: 18,991,300 km (0.104 R)
• M23: 21,369,607 km (0.105 R)
• M24: 29,375,935 km (0.119 R)
• M25: 30,095,501 km (0.101 R)
• M26: 31,037,968 km (0.111 R)
• M27: 33,646,955 km (0.103 R)
• M28: 41,056,388 km (0.101 R)
• M29: 42,999,215 km (0.095 R)
• M30: 44,328,093 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 440.5

Radius: 4.1

Gravity: 26.2 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 7.59 AU - 8.23 AU

Year: 15638 Days

Day: 22.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 76,180,947 km

• M1: 59,241 km (0.068 R)
• M2: 470,336 km (0.064 R)
• M3: 952,789 km (0.108 R)
• M4: 1,260,362 km (0.086 R)
• M5: 1,678,189 km (0.11 R)
• M6: 1,841,849 km (0.032 R)
• M7: 2,239,779 km (0.103 R)
• M8: 2,894,719 km (0.067 R)
• M9: 4,356,290 km (0.091 R)
• M10: 5,506,997 km (0.041 R)
• M11: 5,686,365 km (0.11 R)
• M12: 6,095,066 km (0.082 R)
• M13: 8,294,903 km (0.111 R)
• M14: 8,674,732 km (0.071 R)
• M15: 8,917,828 km (0.049 R)
• M16: 9,115,597 km (0.091 R)
• M17: 11,029,402 km (0.085 R)
• M18: 11,546,562 km (0.088 R)
• M19: 12,505,784 km (0.066 R)
• M20: 12,878,731 km (0.099 R)
• M21: 14,310,084 km (0.116 R)
• M22: 16,950,636 km (0.048 R)
• M23: 17,561,444 km (0.094 R)
• M24: 18,107,775 km (0.096 R)
• M25: 19,564,559 km (0.039 R)
• M26: 19,982,685 km (0.079 R)
• M27: 28,778,142 km (0.093 R)
• M28: 34,371,906 km (0.116 R)
• M29: 38,260,852 km (0.081 R)
• M30: 46,010,770 km (0.118 R)
• M31: 48,860,609 km (0.073 R)
• M32: 50,250,673 km (0.067 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 561.6

Radius: 4.8

Gravity: 24.38 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 8.58 AU - 11.36 AU

Year: 22128 Days

Day: 22 Hours

Environment

Temp: -235 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 76,180,947 km

• M1: 59,839 km (0.085 R)
• M2: 395,387 km (0.073 R)
• M3: 606,919 km (0.068 R)
• M4: 1,010,234 km (0.081 R)
• M5: 1,263,354 km (0.092 R)
• M6: 1,508,545 km (0.033 R)
• M7: 2,115,015 km (0.074 R)
• M8: 2,484,521 km (0.069 R)
• M9: 2,895,916 km (0.091 R)
• M10: 4,041,835 km (0.104 R)
• M11: 4,894,992 km (0.081 R)
• M12: 6,456,046 km (0.099 R)
• M13: 8,321,232 km (0.089 R)
• M14: 8,743,846 km (0.051 R)
• M15: 10,157,247 km (0.067 R)
• M16: 13,143,370 km (0.079 R)
• M17: 14,156,746 km (0.068 R)
• M18: 15,221,284 km (0.11 R)
• M19: 15,613,979 km (0.095 R)
• M20: 16,749,726 km (0.107 R)
• M21: 20,390,938 km (0.093 R)
• M22: 21,548,825 km (0.087 R)
• M23: 22,043,845 km (0.108 R)
• M24: 23,263,067 km (0.067 R)
• M25: 23,889,284 km (0.052 R)
• M26: 24,741,393 km (0.117 R)
• M27: 29,067,764 km (0.085 R)
• M28: 29,916,283 km (0.103 R)
• M29: 31,156,599 km (0.118 R)
• M30: 36,044,410 km (0.069 R)
• M31: 39,769,098 km (0.05 R)
• M32: 41,115,928 km (0.105 R)
• M33: 46,642,821 km (0.111 R)
• M34: 47,138,439 km (0.096 R)
• M35: 55,737,324 km (0.049 R)
• M36: 57,611,786 km (0.106 R)
• M37: 63,486,793 km (0.106 R)
• M38: 73,250,597 km (0.098 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 409 - 12,101 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit