🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.8

Radius: 11.2

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.58 AU - 0.6 AU

Year: 313 Days

Day: 11.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,808,586 km

• M1: 139,575 km (0.061 R)
• M2: 508,334 km (0.098 R)
• M3: 861,983 km (0.106 R)
• M4: 1,227,451 km (0.077 R)
• M5: 1,724,564 km (0.113 R)
• M6: 2,098,709 km (0.105 R)
• M7: 2,683,187 km (0.118 R)
• M8: 3,301,625 km (0.101 R)
• M9: 3,683,548 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.7

Radius: 9

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.62 AU - 0.66 AU

Year: 353 Days

Day: 5.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 64,808,586 km

• M1: 111,899 km (0.102 R)
• M2: 476,020 km (0.082 R)
• M3: 857,495 km (0.106 R)
• M4: 1,512,883 km (0.111 R)
• M5: 1,972,149 km (0.036 R)
• M6: 2,290,792 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.6

Radius: 13.4

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.69 AU - 0.85 AU

Year: 466 Days

Day: 7 Hours

Environment

Temp: -165 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,808,586 km

• M1: 166,652 km (0.057 R)
• M2: 743,501 km (0.074 R)
• M3: 1,301,801 km (0.075 R)
• M4: 2,097,063 km (0.084 R)
• M5: 2,837,124 km (0.092 R)
• M6: 3,946,541 km (0.082 R)
• M7: 4,453,379 km (0.089 R)
• M8: 5,217,675 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.8

Radius: 10.3

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.65 AU - 0.93 AU

Year: 485 Days

Day: 9 Hours

Environment

Temp: -169 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,808,586 km

• M1: 128,056 km (0.048 R)
• M2: 490,980 km (0.075 R)
• M3: 1,260,811 km (0.111 R)
• M4: 1,657,544 km (0.051 R)
• M5: 2,042,909 km (0.045 R)
• M6: 2,392,070 km (0.112 R)
• M7: 2,718,941 km (0.085 R)
• M8: 3,342,764 km (0.091 R)
• M9: 3,701,949 km (0.113 R)
• M10: 4,086,864 km (0.12 R)
• M11: 4,813,760 km (0.04 R)
• M12: 5,208,399 km (0.105 R)
• M13: 5,676,042 km (0.099 R)
• M14: 6,063,052 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.1

Radius: 11.5

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.16 AU - 1.4 AU

Year: 1000 Days

Day: 12.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 74.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,808,586 km

• M1: 143,764 km (0.101 R)
• M2: 634,445 km (0.093 R)
• M3: 1,047,634 km (0.119 R)
• M4: 1,527,095 km (0.106 R)
• M5: 1,938,938 km (0.106 R)
• M6: 2,414,061 km (0.066 R)
• M7: 2,900,852 km (0.034 R)
• M8: 3,739,049 km (0.079 R)
• M9: 4,240,501 km (0.093 R)
• M10: 4,659,226 km (0.12 R)
• M11: 5,124,774 km (0.09 R)
• M12: 5,724,363 km (0.087 R)
• M13: 6,303,456 km (0.109 R)
• M14: 7,184,587 km (0.113 R)
• M15: 7,554,244 km (0.085 R)
• M16: 8,066,916 km (0.113 R)
• M17: 9,133,698 km (0.1 R)
• M18: 9,716,083 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.7

Radius: 13.5

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.16 AU - 2.86 AU

Year: 2745 Days

Day: 13.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,808,586 km

• M1: 168,597 km (0.108 R)
• M2: 605,423 km (0.092 R)
• M3: 1,061,098 km (0.088 R)
• M4: 1,950,756 km (0.051 R)
• M5: 2,411,518 km (0.092 R)
• M6: 2,977,596 km (0.047 R)
• M7: 3,432,822 km (0.118 R)
• M8: 4,072,802 km (0.111 R)
• M9: 4,550,019 km (0.114 R)
• M10: 5,252,680 km (0.096 R)
• M11: 6,705,126 km (0.089 R)
• M12: 9,294,516 km (0.106 R)
• M13: 9,978,627 km (0.112 R)
• M14: 11,610,740 km (0.11 R)
• M15: 12,924,957 km (0.097 R)
• M16: 14,008,793 km (0.096 R)
• M17: 16,616,135 km (0.078 R)
• M18: 18,338,754 km (0.079 R)
• M19: 18,787,398 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.1

Radius: 11.3

Gravity: 7.52 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.69 AU - 3.25 AU

Year: 3533 Days

Day: 11.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,808,586 km

• M1: 140,622 km (0.046 R)
• M2: 500,106 km (0.062 R)
• M3: 1,056,011 km (0.052 R)
• M4: 1,480,421 km (0.073 R)
• M5: 1,834,519 km (0.086 R)
• M6: 2,443,382 km (0.094 R)
• M7: 3,575,090 km (0.094 R)
• M8: 3,977,508 km (0.057 R)
• M9: 5,589,724 km (0.084 R)
• M10: 6,045,998 km (0.073 R)
• M11: 6,465,620 km (0.057 R)
• M12: 7,001,180 km (0.095 R)
• M13: 7,634,578 km (0.082 R)
• M14: 8,161,312 km (0.092 R)
• M15: 9,366,323 km (0.09 R)
• M16: 13,641,531 km (0.047 R)
• M17: 17,641,030 km (0.088 R)
• M18: 18,128,719 km (0.087 R)
• M19: 19,972,961 km (0.104 R)
• M20: 25,471,431 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.9

Radius: 11

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4.28 AU - 4.58 AU

Year: 6436 Days

Day: 6.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,808,586 km

• M1: 136,732 km (0.09 R)
• M2: 480,957 km (0.098 R)
• M3: 915,988 km (0.097 R)
• M4: 1,268,440 km (0.049 R)
• M5: 2,072,230 km (0.097 R)
• M6: 3,324,364 km (0.117 R)
• M7: 4,946,753 km (0.114 R)
• M8: 7,143,149 km (0.111 R)
• M9: 9,592,515 km (0.115 R)
• M10: 12,653,287 km (0.114 R)
• M11: 17,326,425 km (0.045 R)
• M12: 23,408,925 km (0.06 R)
• M13: 25,243,294 km (0.116 R)
• M14: 27,007,352 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 838.6

Radius: 7.7

Gravity: 14.14 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 5.5 AU - 7.54 AU

Year: 11492 Days

Day: 16.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 64,808,586 km

• M1: 96,042 km (0.118 R)
• M2: 407,205 km (0.077 R)
• M3: 942,018 km (0.08 R)
• M4: 1,251,087 km (0.087 R)
• M5: 1,508,395 km (0.112 R)
• M6: 1,867,879 km (0.09 R)
• M7: 2,503,670 km (0.093 R)
• M8: 2,917,458 km (0.049 R)
• M9: 3,201,843 km (0.09 R)
• M10: 6,114,663 km (0.104 R)
• M11: 6,825,104 km (0.108 R)
• M12: 7,243,080 km (0.057 R)
• M13: 7,545,567 km (0.08 R)
• M14: 10,117,902 km (0.046 R)
• M15: 10,828,343 km (0.114 R)
• M16: 11,571,545 km (0.053 R)
• M17: 13,415,937 km (0.086 R)
• M18: 14,071,924 km (0.098 R)
• M19: 15,306,405 km (0.051 R)
• M20: 17,521,950 km (0.058 R)
• M21: 18,786,949 km (0.1 R)
• M22: 20,538,142 km (0.052 R)
• M23: 21,853,706 km (0.063 R)
• M24: 23,788,754 km (0.103 R)
• M25: 24,846,710 km (0.101 R)
• M26: 25,140,521 km (0.079 R)
• M27: 30,386,469 km (0.08 R)
• M28: 31,174,700 km (0.096 R)
• M29: 32,207,973 km (0.102 R)
• M30: 39,024,101 km (0.102 R)
• M31: 40,900,955 km (0.092 R)
• M32: 45,561,528 km (0.116 R)
• M33: 46,001,944 km (0.117 R)
• M34: 51,352,611 km (0.091 R)
• M35: 55,252,178 km (0.035 R)

Asteroid Belt

Center: 7.23 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 7.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 712.6

Radius: 6.3

Gravity: 17.95 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 6.77 AU - 9.09 AU

Year: 15414 Days

Day: 17.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,808,586 km

• M1: 78,389 km (0.106 R)
• M2: 301,141 km (0.101 R)
• M3: 550,969 km (0.098 R)
• M4: 777,011 km (0.074 R)
• M5: 1,592,619 km (0.115 R)
• M6: 2,447,122 km (0.062 R)
• M7: 2,853,729 km (0.104 R)
• M8: 3,859,326 km (0.098 R)
• M9: 6,095,664 km (0.096 R)
• M10: 8,464,397 km (0.087 R)
• M11: 8,817,298 km (0.079 R)
• M12: 10,271,091 km (0.103 R)
• M13: 13,990,243 km (0.055 R)
• M14: 18,351,769 km (0.107 R)
• M15: 28,158,209 km (0.113 R)
• M16: 30,678,185 km (0.066 R)
• M17: 32,602,762 km (0.115 R)
• M18: 38,718,921 km (0.056 R)
• M19: 42,118,233 km (0.093 R)
• M20: 53,842,218 km (0.046 R)
• M21: 59,705,707 km (0.071 R)
• M22: 64,227,751 km (0.029 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 541 - 12,969 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit