🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.1 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.1

Radius: 8.5

Gravity: 11.27 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.79 AU - 2.61 AU

Year: 2107 Days

Day: 11.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 82,450,802 km

• M1: 105,915 km (0.041 R)
• M2: 402,119 km (0.049 R)
• M3: 826,827 km (0.11 R)
• M4: 1,411,007 km (0.074 R)
• M5: 1,868,029 km (0.095 R)
• M6: 2,169,917 km (0.088 R)
• M7: 2,998,839 km (0.082 R)
• M8: 3,432,822 km (0.115 R)
• M9: 3,813,699 km (0.118 R)
• M10: 4,323,977 km (0.065 R)
• M11: 8,169,839 km (0.096 R)
• M12: 8,489,380 km (0.056 R)
• M13: 9,498,418 km (0.034 R)
• M14: 10,812,336 km (0.047 R)
• M15: 11,473,109 km (0.094 R)
• M16: 12,918,225 km (0.05 R)
• M17: 13,264,993 km (0.077 R)
• M18: 14,620,499 km (0.043 R)
• M19: 15,140,053 km (0.091 R)
• M20: 15,868,145 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.2

Radius: 14.3

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.18 AU - 3.16 AU

Year: 2817 Days

Day: 10.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 82,450,802 km

• M1: 177,872 km (0.088 R)
• M2: 782,546 km (0.101 R)
• M3: 1,879,996 km (0.093 R)
• M4: 2,716,697 km (0.072 R)
• M5: 3,445,089 km (0.114 R)
• M6: 5,658,390 km (0.115 R)
• M7: 8,016,501 km (0.07 R)
• M8: 9,136,241 km (0.044 R)
• M9: 11,849,348 km (0.096 R)
• M10: 12,476,014 km (0.088 R)
• M11: 13,886,871 km (0.071 R)
• M12: 15,499,985 km (0.096 R)
• M13: 16,608,356 km (0.097 R)
• M14: 17,607,669 km (0.097 R)
• M15: 18,535,326 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.1

Radius: 8.4

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.41 AU - 3.87 AU

Year: 3593 Days

Day: 8.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 82,450,802 km

• M1: 177,273 km (0.05 R)
• M2: 664,813 km (0.036 R)
• M3: 1,633,609 km (0.119 R)
• M4: 4,035,403 km (0.076 R)
• M5: 5,019,757 km (0.081 R)
• M6: 5,303,693 km (0.037 R)
• M7: 7,334,634 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73

Radius: 15

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.01 AU - 4.87 AU

Year: 5050 Days

Day: 7.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,450,802 km

• M1: 189,241 km (0.104 R)
• M2: 679,324 km (0.075 R)
• M3: 1,448,407 km (0.109 R)
• M4: 2,073,426 km (0.074 R)
• M5: 2,752,002 km (0.046 R)
• M6: 3,495,205 km (0.098 R)
• M7: 4,202,055 km (0.06 R)
• M8: 4,718,466 km (0.102 R)
• M9: 7,551,551 km (0.1 R)
• M10: 8,202,750 km (0.09 R)
• M11: 9,946,164 km (0.065 R)
• M12: 10,905,386 km (0.115 R)
• M13: 11,850,695 km (0.073 R)
• M14: 12,810,514 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.4

Radius: 11.8

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.8 AU - 6.28 AU

Year: 7306 Days

Day: 10.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,450,802 km

• M1: 146,756 km (0.098 R)
• M2: 612,753 km (0.097 R)
• M3: 1,142,778 km (0.087 R)
• M4: 1,912,010 km (0.111 R)
• M5: 2,919,851 km (0.068 R)
• M6: 3,296,539 km (0.114 R)
• M7: 3,972,721 km (0.119 R)
• M8: 4,683,461 km (0.064 R)
• M9: 5,203,164 km (0.1 R)
• M10: 6,462,030 km (0.084 R)
• M11: 7,600,021 km (0.109 R)
• M12: 8,527,228 km (0.112 R)
• M13: 8,996,666 km (0.081 R)
• M14: 9,756,175 km (0.102 R)
• M15: 10,900,449 km (0.039 R)
• M16: 11,973,365 km (0.103 R)
• M17: 14,508,002 km (0.061 R)
• M18: 15,302,217 km (0.096 R)
• M19: 22,492,189 km (0.116 R)
• M20: 28,809,857 km (0.104 R)
• M21: 29,480,804 km (0.118 R)
• M22: 30,556,412 km (0.106 R)
• M23: 32,475,304 km (0.027 R)
• M24: 34,473,483 km (0.101 R)
• M25: 35,447,963 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 54.3

Radius: 4

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 5.49 AU - 7.57 AU

Year: 10774 Days

Day: 18.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,450,802 km

• M1: 52,808 km (0.097 R)
• M2: 302,337 km (0.103 R)
• M3: 460,761 km (0.058 R)
• M4: 1,253,331 km (0.05 R)
• M5: 1,766,302 km (0.107 R)
• M6: 2,684,235 km (0.081 R)
• M7: 9,158,232 km (0.085 R)
• M8: 11,354,628 km (0.1 R)
• M9: 12,439,512 km (0.117 R)
• M10: 13,639,287 km (0.085 R)
• M11: 14,218,081 km (0.079 R)
• M12: 18,154,599 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 883.1

Radius: 4

Gravity: 55.19 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 9.12 AU - 10.52 AU

Year: 19869 Days

Day: 18.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,450,802 km

• M1: 51,910 km (0.025 R)
• M2: 266,284 km (0.111 R)
• M3: 739,013 km (0.112 R)
• M4: 939,175 km (0.06 R)
• M5: 1,565,841 km (0.105 R)
• M6: 2,364,694 km (0.116 R)
• M7: 2,984,178 km (0.105 R)
• M8: 3,288,460 km (0.109 R)
• M9: 5,442,969 km (0.103 R)
• M10: 6,198,438 km (0.115 R)
• M11: 6,647,082 km (0.059 R)
• M12: 9,684,966 km (0.106 R)
• M13: 10,411,862 km (0.086 R)
• M14: 13,610,265 km (0.03 R)
• M15: 14,212,845 km (0.079 R)
• M16: 18,116,751 km (0.076 R)
• M17: 22,888,624 km (0.092 R)
• M18: 23,205,323 km (0.025 R)
• M19: 27,355,317 km (0.11 R)
• M20: 31,321,157 km (0.094 R)
• M21: 37,962,404 km (0.113 R)
• M22: 51,552,623 km (0.096 R)
• M23: 58,532,411 km (0.068 R)
• M24: 67,620,781 km (0.096 R)
• M25: 82,450,866 km (0.073 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 357 - 12,869 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit