🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.5

Radius: 10.1

Gravity: 9.68 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.1 AU - 1.14 AU

Year: 833 Days

Day: 14.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,952,635 km

• M1: 125,812 km (0.077 R)
• M2: 563,086 km (0.082 R)
• M3: 994,826 km (0.116 R)
• M4: 1,348,176 km (0.079 R)
• M5: 3,305,814 km (0.045 R)
• M6: 3,886,702 km (0.066 R)
• M7: 4,430,341 km (0.098 R)
• M8: 5,588,528 km (0.07 R)
• M9: 6,002,315 km (0.06 R)
• M10: 6,369,877 km (0.042 R)
• M11: 7,738,997 km (0.093 R)
• M12: 8,519,748 km (0.052 R)
• M13: 9,153,146 km (0.079 R)
• M14: 9,729,247 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.9

Radius: 13.5

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.28 AU - 1.48 AU

Year: 1140 Days

Day: 13 Hours

Environment

Temp: -190 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,952,635 km

• M1: 167,849 km (0.118 R)
• M2: 947,403 km (0.09 R)
• M3: 1,660,686 km (0.104 R)
• M4: 2,145,383 km (0.115 R)
• M5: 2,850,737 km (0.037 R)
• M6: 3,434,318 km (0.117 R)
• M7: 4,979,814 km (0.086 R)
• M8: 6,222,374 km (0.116 R)
• M9: 7,479,445 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.1

Radius: 12.6

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.62 AU - 1.94 AU

Year: 1669 Days

Day: 13.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,952,635 km

• M1: 156,629 km (0.103 R)
• M2: 634,744 km (0.046 R)
• M3: 1,255,425 km (0.05 R)
• M4: 1,832,724 km (0.115 R)
• M5: 2,316,074 km (0.104 R)
• M6: 2,724,925 km (0.072 R)
• M7: 3,402,005 km (0.107 R)
• M8: 4,060,236 km (0.11 R)
• M9: 4,855,648 km (0.113 R)
• M10: 6,166,275 km (0.101 R)
• M11: 7,100,813 km (0.075 R)
• M12: 7,700,401 km (0.094 R)
• M13: 8,178,665 km (0.12 R)
• M14: 8,919,474 km (0.091 R)
• M15: 9,334,458 km (0.099 R)
• M16: 9,878,695 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.4

Radius: 8.1

Gravity: 10.57 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.65 AU - 2.17 AU

Year: 1855 Days

Day: 9.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,952,635 km

• M1: 104,569 km (0.112 R)
• M2: 453,282 km (0.097 R)
• M3: 914,492 km (0.113 R)
• M4: 1,236,875 km (0.113 R)
• M5: 1,605,036 km (0.05 R)
• M6: 1,930,860 km (0.041 R)
• M7: 2,288,099 km (0.073 R)
• M8: 2,618,860 km (0.111 R)
• M9: 2,996,745 km (0.034 R)
• M10: 3,377,471 km (0.092 R)
• M11: 4,294,506 km (0.108 R)
• M12: 4,906,212 km (0.057 R)
• M13: 5,858,701 km (0.064 R)
• M14: 7,147,337 km (0.115 R)
• M15: 8,065,420 km (0.099 R)
• M16: 9,124,722 km (0.088 R)
• M17: 9,654,149 km (0.091 R)
• M18: 9,995,232 km (0.117 R)
• M19: 10,629,677 km (0.117 R)
• M20: 11,823,318 km (0.047 R)
• M21: 12,332,998 km (0.118 R)
• M22: 15,103,551 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.4

Radius: 13.8

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.84 AU - 4.14 AU

Year: 4583 Days

Day: 13.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,952,635 km

• M1: 171,888 km (0.077 R)
• M2: 711,338 km (0.109 R)
• M3: 1,271,432 km (0.116 R)
• M4: 1,774,680 km (0.109 R)
• M5: 2,289,745 km (0.063 R)
• M6: 3,005,272 km (0.086 R)
• M7: 3,529,612 km (0.063 R)
• M8: 4,865,671 km (0.111 R)
• M9: 5,890,117 km (0.098 R)
• M10: 6,793,987 km (0.117 R)
• M11: 8,755,515 km (0.104 R)
• M12: 9,189,199 km (0.097 R)
• M13: 10,302,955 km (0.094 R)
• M14: 11,358,667 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.8

Radius: 12.4

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.85 AU - 4.57 AU

Year: 5023 Days

Day: 11.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,952,635 km

• M1: 156,180 km (0.104 R)
• M2: 709,393 km (0.085 R)
• M3: 1,926,073 km (0.051 R)
• M4: 2,329,388 km (0.065 R)
• M5: 3,183,443 km (0.072 R)
• M6: 4,042,583 km (0.103 R)
• M7: 6,420,591 km (0.104 R)
• M8: 6,867,290 km (0.084 R)
• M9: 7,366,648 km (0.08 R)
• M10: 10,479,181 km (0.104 R)
• M11: 11,398,311 km (0.057 R)
• M12: 12,415,875 km (0.117 R)
• M13: 15,832,990 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172

Radius: 10.3

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 3.69 AU - 5.61 AU

Year: 7048 Days

Day: 10.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,952,635 km

• M1: 129,552 km (0.108 R)
• M2: 607,517 km (0.066 R)
• M3: 984,204 km (0.081 R)
• M4: 1,675,646 km (0.054 R)
• M5: 2,372,024 km (0.092 R)
• M6: 3,458,404 km (0.06 R)
• M7: 4,776,062 km (0.044 R)
• M8: 7,552,598 km (0.101 R)
• M9: 11,003,522 km (0.075 R)
• M10: 11,519,934 km (0.096 R)
• M11: 20,876,532 km (0.103 R)
• M12: 22,824,746 km (0.054 R)
• M13: 23,665,186 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 994.9

Radius: 4.8

Gravity: 43.18 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 5.91 AU - 8.19 AU

Year: 13158 Days

Day: 24.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 156.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 66,952,635 km

• M1: 73,004 km (0.074 R)
• M2: 292,913 km (0.083 R)
• M3: 465,399 km (0.111 R)
• M4: 654,191 km (0.109 R)
• M5: 811,419 km (0.08 R)
• M6: 1,504,655 km (0.12 R)
• M7: 1,714,541 km (0.096 R)
• M8: 2,075,820 km (0.1 R)
• M9: 2,295,131 km (0.111 R)
• M10: 2,664,637 km (0.102 R)
• M11: 2,973,108 km (0.114 R)
• M12: 3,549,060 km (0.079 R)
• M13: 4,613,898 km (0.102 R)
• M14: 5,201,368 km (0.066 R)
• M15: 6,439,889 km (0.101 R)
• M16: 7,261,630 km (0.101 R)
• M17: 8,054,200 km (0.072 R)
• M18: 10,953,556 km (0.09 R)
• M19: 11,252,752 km (0.064 R)
• M20: 13,846,480 km (0.098 R)
• M21: 16,576,940 km (0.115 R)
• M22: 24,164,245 km (0.045 R)
• M23: 29,328,962 km (0.103 R)
• M24: 30,138,735 km (0.116 R)
• M25: 31,802,862 km (0.118 R)
• M26: 32,534,395 km (0.047 R)
• M27: 33,778,601 km (0.029 R)
• M28: 35,703,626 km (0.098 R)
• M29: 39,771,043 km (0.102 R)
• M30: 41,192,522 km (0.09 R)
• M31: 43,686,169 km (0.088 R)
• M32: 47,533,527 km (0.106 R)
• M33: 49,133,625 km (0.108 R)
• M34: 51,935,594 km (0.084 R)
• M35: 59,494,624 km (0.106 R)
• M36: 61,351,882 km (0.09 R)
• M37: 63,056,101 km (0.04 R)
• M38: 63,631,006 km (0.08 R)

Asteroid Belt

Center: 7.89 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 247

Radius: 4.6

Gravity: 11.67 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 8.2 AU - 9.24 AU

Year: 18100 Days

Day: 17 Hours

Environment

Temp: -223 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 66,952,635 km

• M1: 57,296 km (0.099 R)
• M2: 377,735 km (0.08 R)
• M3: 848,070 km (0.037 R)
• M4: 1,291,628 km (0.084 R)
• M5: 1,624,184 km (0.11 R)
• M6: 2,438,296 km (0.047 R)
• M7: 2,923,142 km (0.087 R)
• M8: 5,080,792 km (0.087 R)
• M9: 5,619,794 km (0.04 R)
• M10: 7,051,445 km (0.076 R)
• M11: 7,592,391 km (0.119 R)
• M12: 10,242,218 km (0.079 R)
• M13: 14,085,687 km (0.07 R)
• M14: 14,542,409 km (0.085 R)
• M15: 18,325,889 km (0.072 R)
• M16: 22,984,366 km (0.116 R)
• M17: 23,344,449 km (0.119 R)
• M18: 25,106,562 km (0.102 R)
• M19: 26,361,987 km (0.083 R)
• M20: 26,558,858 km (0.051 R)
• M21: 30,378,690 km (0.057 R)
• M22: 30,921,431 km (0.055 R)
• M23: 31,470,605 km (0.11 R)
• M24: 34,314,311 km (0.118 R)
• M25: 41,694,871 km (0.094 R)
• M26: 42,096,093 km (0.043 R)
• M27: 46,968,944 km (0.104 R)
• M28: 48,133,115 km (0.061 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 388.2

Radius: 3.1

Gravity: 40.4 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 9.41 AU - 10.41 AU

Year: 21929 Days

Day: 24.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 66,952,635 km

• M1: 38,596 km (0.092 R)
• M2: 182,210 km (0.105 R)
• M3: 317,746 km (0.075 R)
• M4: 770,728 km (0.114 R)
• M5: 1,096,702 km (0.084 R)
• M6: 1,214,585 km (0.038 R)
• M7: 1,460,674 km (0.098 R)
• M8: 1,721,722 km (0.098 R)
• M9: 2,231,252 km (0.102 R)
• M10: 2,443,232 km (0.057 R)
• M11: 4,483,598 km (0.11 R)
• M12: 4,821,091 km (0.073 R)
• M13: 5,175,189 km (0.081 R)
• M14: 5,738,574 km (0.12 R)
• M15: 6,809,845 km (0.101 R)
• M16: 10,575,073 km (0.087 R)
• M17: 10,810,989 km (0.086 R)
• M18: 11,293,293 km (0.09 R)
• M19: 12,561,434 km (0.117 R)
• M20: 13,711,542 km (0.098 R)
• M21: 15,077,820 km (0.119 R)
• M22: 15,226,819 km (0.055 R)
• M23: 19,363,649 km (0.107 R)
• M24: 22,404,974 km (0.11 R)
• M25: 23,385,738 km (0.039 R)
• M26: 23,786,061 km (0.102 R)
• M27: 29,412,288 km (0.056 R)
• M28: 31,792,839 km (0.094 R)
• M29: 39,134,953 km (0.104 R)
• M30: 39,982,724 km (0.113 R)
• M31: 45,019,684 km (0.113 R)
• M32: 46,106,513 km (0.116 R)
• M33: 47,210,844 km (0.119 R)
• M34: 48,010,445 km (0.07 R)
• M35: 66,752,066 km (0.115 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 329 - 16,608 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit