🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.7

Radius: 13.9

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.81 AU - 0.89 AU

Year: 551 Days

Day: 5.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,729,211 km

• M1: 173,085 km (0.113 R)
• M2: 1,083,089 km (0.119 R)
• M3: 1,636,601 km (0.108 R)
• M4: 2,262,369 km (0.117 R)
• M5: 3,976,162 km (0.086 R)
• M6: 4,438,120 km (0.086 R)
• M7: 5,012,277 km (0.099 R)
• M8: 5,838,057 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.9

Radius: 11.3

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.86 AU - 1.06 AU

Year: 661 Days

Day: 14.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,729,211 km

• M1: 140,472 km (0.074 R)
• M2: 719,566 km (0.062 R)
• M3: 1,097,300 km (0.077 R)
• M4: 1,656,198 km (0.107 R)
• M5: 2,072,678 km (0.1 R)
• M6: 2,579,965 km (0.088 R)
• M7: 2,959,345 km (0.1 R)
• M8: 3,326,458 km (0.101 R)
• M9: 3,832,099 km (0.093 R)
• M10: 4,678,823 km (0.119 R)
• M11: 5,315,362 km (0.045 R)
• M12: 5,990,198 km (0.049 R)
• M13: 6,562,709 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.4

Radius: 14.1

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.97 AU - 1.49 AU

Year: 959 Days

Day: 12.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,729,211 km

• M1: 177,573 km (0.077 R)
• M2: 633,996 km (0.081 R)
• M3: 1,191,547 km (0.116 R)
• M4: 2,090,181 km (0.118 R)
• M5: 2,937,504 km (0.066 R)
• M6: 3,493,110 km (0.098 R)
• M7: 4,337,590 km (0.105 R)
• M8: 5,235,925 km (0.087 R)
• M9: 5,698,781 km (0.09 R)
• M10: 6,299,267 km (0.051 R)
• M11: 6,753,745 km (0.055 R)
• M12: 7,205,980 km (0.05 R)
• M13: 7,987,330 km (0.099 R)
• M14: 8,741,153 km (0.119 R)
• M15: 9,990,744 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.8

Radius: 10.2

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.14 AU - 1.5 AU

Year: 1066 Days

Day: 14 Hours

Environment

Temp: -186 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,729,211 km

• M1: 127,009 km (0.045 R)
• M2: 478,414 km (0.057 R)
• M3: 900,878 km (0.098 R)
• M4: 1,720,824 km (0.11 R)
• M5: 2,670,472 km (0.032 R)
• M6: 2,992,406 km (0.104 R)
• M7: 3,905,252 km (0.112 R)
• M8: 5,051,471 km (0.06 R)
• M9: 5,755,030 km (0.05 R)
• M10: 6,119,600 km (0.09 R)
• M11: 7,014,794 km (0.053 R)
• M12: 7,684,095 km (0.111 R)
• M13: 8,180,311 km (0.111 R)
• M14: 8,642,119 km (0.083 R)
• M15: 9,006,989 km (0.092 R)
• M16: 9,382,180 km (0.104 R)
• M17: 10,858,861 km (0.025 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.8

Radius: 9.3

Gravity: 9.46 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.58 AU - 2.64 AU

Year: 2154 Days

Day: 7 Hours

Environment

Temp: -196 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,729,211 km

• M1: 116,238 km (0.075 R)
• M2: 416,780 km (0.068 R)
• M3: 739,013 km (0.039 R)
• M4: 1,135,897 km (0.109 R)
• M5: 1,579,604 km (0.096 R)
• M6: 2,187,270 km (0.079 R)
• M7: 3,253,604 km (0.068 R)
• M8: 4,018,348 km (0.115 R)
• M9: 4,506,486 km (0.119 R)
• M10: 4,853,553 km (0.101 R)
• M11: 5,431,749 km (0.076 R)
• M12: 6,029,243 km (0.057 R)
• M13: 7,208,673 km (0.12 R)
• M14: 7,837,732 km (0.119 R)
• M15: 13,090,262 km (0.052 R)
• M16: 13,486,098 km (0.101 R)
• M17: 15,054,034 km (0.044 R)
• M18: 16,484,339 km (0.106 R)
• M19: 18,219,824 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970

Radius: 9.4

Gravity: 10.98 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.18 AU - 2.98 AU

Year: 2913 Days

Day: 10.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,729,211 km

• M1: 116,986 km (0.1 R)
• M2: 446,400 km (0.094 R)
• M3: 824,883 km (0.03 R)
• M4: 1,703,621 km (0.069 R)
• M5: 2,261,621 km (0.095 R)
• M6: 2,719,839 km (0.078 R)
• M7: 3,147,988 km (0.105 R)
• M8: 3,542,178 km (0.113 R)
• M9: 4,206,094 km (0.12 R)
• M10: 5,672,153 km (0.051 R)
• M11: 6,403,088 km (0.074 R)
• M12: 6,914,264 km (0.093 R)
• M13: 7,781,632 km (0.106 R)
• M14: 9,386,219 km (0.112 R)
• M15: 9,848,925 km (0.08 R)
• M16: 10,653,912 km (0.067 R)
• M17: 11,545,664 km (0.066 R)
• M18: 16,597,435 km (0.101 R)
• M19: 17,794,667 km (0.114 R)
• M20: 22,336,757 km (0.043 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.3

Radius: 9.1

Gravity: 11.49 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.31 AU - 2.99 AU

Year: 3032 Days

Day: 5.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,729,211 km

• M1: 113,246 km (0.047 R)
• M2: 511,475 km (0.103 R)
• M3: 794,813 km (0.11 R)
• M4: 1,082,640 km (0.114 R)
• M5: 1,370,017 km (0.056 R)
• M6: 1,756,877 km (0.111 R)
• M7: 2,145,682 km (0.092 R)
• M8: 3,262,730 km (0.108 R)
• M9: 3,792,007 km (0.104 R)
• M10: 4,332,205 km (0.09 R)
• M11: 4,728,190 km (0.116 R)
• M12: 5,328,377 km (0.106 R)
• M13: 6,120,348 km (0.097 R)
• M14: 6,559,717 km (0.086 R)
• M15: 7,114,725 km (0.03 R)
• M16: 10,742,773 km (0.105 R)
• M17: 21,038,098 km (0.041 R)
• M18: 23,072,629 km (0.096 R)
• M19: 24,137,616 km (0.069 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.3

Radius: 15

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.4 AU - 3.7 AU

Year: 4702 Days

Day: 11.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,729,211 km

• M1: 186,549 km (0.039 R)
• M2: 782,247 km (0.09 R)
• M3: 1,789,490 km (0.066 R)
• M4: 2,407,030 km (0.113 R)
• M5: 3,501,039 km (0.075 R)
• M6: 4,287,325 km (0.079 R)
• M7: 6,132,615 km (0.113 R)
• M8: 8,394,984 km (0.103 R)
• M9: 10,376,108 km (0.037 R)
• M10: 11,455,607 km (0.114 R)
• M11: 12,345,863 km (0.04 R)
• M12: 15,346,198 km (0.101 R)
• M13: 17,287,081 km (0.041 R)
• M14: 18,175,244 km (0.107 R)
• M15: 18,803,405 km (0.059 R)
• M16: 19,862,408 km (0.073 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 849.1

Radius: 7.8

Gravity: 13.96 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 5.76 AU - 6.1 AU

Year: 10151 Days

Day: 18.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 51,729,211 km

• M1: 99,034 km (0.052 R)
• M2: 347,516 km (0.062 R)
• M3: 612,902 km (0.081 R)
• M4: 898,335 km (0.116 R)
• M5: 1,311,375 km (0.074 R)
• M6: 1,782,010 km (0.095 R)
• M7: 2,641,898 km (0.091 R)
• M8: 3,494,457 km (0.081 R)
• M9: 4,025,828 km (0.118 R)
• M10: 4,640,526 km (0.071 R)
• M11: 5,873,661 km (0.111 R)
• M12: 6,469,510 km (0.103 R)
• M13: 7,187,280 km (0.095 R)
• M14: 7,781,333 km (0.074 R)
• M15: 8,180,311 km (0.112 R)
• M16: 9,261,903 km (0.031 R)
• M17: 10,330,182 km (0.082 R)
• M18: 11,937,312 km (0.092 R)
• M19: 13,640,783 km (0.114 R)
• M20: 16,563,177 km (0.108 R)
• M21: 20,290,258 km (0.095 R)
• M22: 20,792,309 km (0.084 R)
• M23: 29,244,439 km (0.027 R)
• M24: 31,416,151 km (0.07 R)
• M25: 33,576,644 km (0.053 R)
• M26: 37,561,183 km (0.103 R)
• M27: 42,663,368 km (0.116 R)
• M28: 45,025,070 km (0.118 R)
• M29: 45,593,242 km (0.057 R)
• M30: 45,878,974 km (0.055 R)
• M31: 49,704,491 km (0.059 R)
• M32: 50,311,409 km (0.047 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 767.7

Radius: 7.6

Gravity: 13.29 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 5.09 AU - 7.11 AU

Year: 10590 Days

Day: 20.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,729,211 km

• M1: 98,136 km (0.075 R)
• M2: 426,803 km (0.115 R)
• M3: 882,029 km (0.103 R)
• M4: 1,203,814 km (0.097 R)
• M5: 1,739,374 km (0.102 R)
• M6: 3,865,609 km (0.053 R)
• M7: 8,407,101 km (0.119 R)
• M8: 10,013,483 km (0.114 R)
• M9: 11,585,607 km (0.028 R)
• M10: 14,471,948 km (0.065 R)
• M11: 15,347,844 km (0.107 R)
• M12: 17,204,952 km (0.098 R)
• M13: 21,617,491 km (0.085 R)
• M14: 24,503,682 km (0.11 R)
• M15: 24,976,711 km (0.103 R)
• M16: 27,433,856 km (0.12 R)
• M17: 37,361,021 km (0.058 R)
• M18: 38,113,947 km (0.08 R)
• M19: 40,170,918 km (0.094 R)
• M20: 41,761,293 km (0.082 R)
• M21: 44,644,941 km (0.099 R)
• M22: 45,777,547 km (0.049 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 213 - 13,383 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit