🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.7

Radius: 9.3

Gravity: 11.41 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.59 AU - 0.85 AU

Year: 422 Days

Day: 14.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,282,155 km

• M1: 115,639 km (0.115 R)
• M2: 416,181 km (0.084 R)
• M3: 722,558 km (0.106 R)
• M4: 1,091,167 km (0.089 R)
• M5: 1,486,554 km (0.061 R)
• M6: 1,893,161 km (0.109 R)
• M7: 2,411,966 km (0.11 R)
• M8: 2,726,421 km (0.11 R)
• M9: 3,080,071 km (0.118 R)
• M10: 3,389,738 km (0.109 R)
• M11: 3,773,008 km (0.075 R)
• M12: 5,019,009 km (0.036 R)
• M13: 5,398,987 km (0.107 R)
• M14: 5,941,429 km (0.05 R)
• M15: 6,462,329 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.7

Radius: 9.5

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.95 AU - 1.03 AU

Year: 680 Days

Day: 13.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,282,155 km

• M1: 118,182 km (0.089 R)
• M2: 433,983 km (0.115 R)
• M3: 732,880 km (0.115 R)
• M4: 1,105,229 km (0.087 R)
• M5: 1,431,951 km (0.053 R)
• M6: 1,789,939 km (0.116 R)
• M7: 2,286,753 km (0.069 R)
• M8: 2,956,353 km (0.079 R)
• M9: 3,292,200 km (0.057 R)
• M10: 3,598,278 km (0.093 R)
• M11: 3,981,996 km (0.097 R)
• M12: 4,299,293 km (0.117 R)
• M13: 5,019,158 km (0.046 R)
• M14: 5,336,156 km (0.096 R)
• M15: 6,388,278 km (0.099 R)
• M16: 7,369,939 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.7

Radius: 14.6

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.94 AU - 1.44 AU

Year: 896 Days

Day: 5.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,282,155 km

• M1: 192,981 km (0.088 R)
• M2: 765,343 km (0.075 R)
• M3: 1,273,975 km (0.101 R)
• M4: 2,460,586 km (0.06 R)
• M5: 3,083,362 km (0.11 R)
• M6: 3,639,267 km (0.089 R)
• M7: 4,501,550 km (0.096 R)
• M8: 5,060,597 km (0.088 R)
• M9: 5,742,613 km (0.101 R)
• M10: 7,451,470 km (0.076 R)
• M11: 7,945,293 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.8

Radius: 11.9

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.29 AU - 2.45 AU

Year: 2518 Days

Day: 7.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,282,155 km

• M1: 171,140 km (0.112 R)
• M2: 669,151 km (0.061 R)
• M3: 1,782,758 km (0.119 R)
• M4: 2,671,220 km (0.083 R)
• M5: 3,727,381 km (0.09 R)
• M6: 6,425,229 km (0.093 R)
• M7: 8,489,679 km (0.115 R)
• M8: 9,005,792 km (0.078 R)
• M9: 9,571,721 km (0.063 R)
• M10: 10,161,136 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.5

Radius: 10

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 3.46 AU - 5 AU

Year: 6005 Days

Day: 12.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,282,155 km

• M1: 130,449 km (0.116 R)
• M2: 778,657 km (0.111 R)
• M3: 1,292,376 km (0.063 R)
• M4: 1,604,587 km (0.099 R)
• M5: 1,981,424 km (0.074 R)
• M6: 2,527,905 km (0.071 R)
• M7: 4,518,155 km (0.079 R)
• M8: 5,746,054 km (0.112 R)
• M9: 6,514,239 km (0.081 R)
• M10: 7,586,258 km (0.081 R)
• M11: 10,667,974 km (0.07 R)
• M12: 14,711,754 km (0.103 R)
• M13: 15,472,609 km (0.089 R)
• M14: 17,730,938 km (0.037 R)
• M15: 22,391,360 km (0.107 R)
• M16: 24,209,573 km (0.099 R)
• M17: 26,124,426 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.5

Radius: 8.3

Gravity: 8.85 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.74 AU - 5.58 AU

Year: 6944 Days

Day: 6.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,282,155 km

• M1: 103,223 km (0.055 R)
• M2: 492,327 km (0.091 R)
• M3: 903,122 km (0.108 R)
• M4: 1,422,377 km (0.097 R)
• M5: 1,856,061 km (0.102 R)
• M6: 2,392,968 km (0.101 R)
• M7: 2,969,219 km (0.114 R)
• M8: 5,289,781 km (0.071 R)
• M9: 5,654,201 km (0.087 R)
• M10: 6,133,513 km (0.097 R)
• M11: 6,536,081 km (0.1 R)
• M12: 6,849,488 km (0.045 R)
• M13: 9,289,729 km (0.081 R)
• M14: 9,866,428 km (0.051 R)
• M15: 11,338,172 km (0.089 R)
• M16: 13,390,505 km (0.119 R)
• M17: 14,769,947 km (0.073 R)
• M18: 15,068,844 km (0.118 R)
• M19: 21,089,709 km (0.069 R)
• M20: 22,085,283 km (0.061 R)
• M21: 22,872,018 km (0.119 R)
• M22: 27,357,561 km (0.07 R)
• M23: 30,621,039 km (0.096 R)
• M24: 34,553,069 km (0.096 R)
• M25: 36,151,073 km (0.065 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 698.2

Radius: 3.3

Gravity: 64.11 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 5.24 AU - 6.26 AU

Year: 9517 Days

Day: 19.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 54,282,155 km

• M1: 43,084 km (0.069 R)
• M2: 208,091 km (0.063 R)
• M3: 408,552 km (0.092 R)
• M4: 1,032,225 km (0.072 R)
• M5: 1,627,176 km (0.07 R)
• M6: 1,763,011 km (0.091 R)
• M7: 1,922,781 km (0.041 R)
• M8: 2,127,282 km (0.066 R)
• M9: 2,441,587 km (0.107 R)
• M10: 5,594,811 km (0.071 R)
• M11: 5,800,508 km (0.116 R)
• M12: 6,905,288 km (0.064 R)
• M13: 9,424,965 km (0.073 R)
• M14: 9,814,518 km (0.119 R)
• M15: 10,367,581 km (0.071 R)
• M16: 12,671,089 km (0.057 R)
• M17: 13,265,741 km (0.11 R)
• M18: 14,192,350 km (0.06 R)
• M19: 14,319,059 km (0.094 R)
• M20: 15,227,418 km (0.082 R)
• M21: 16,173,475 km (0.073 R)
• M22: 16,590,703 km (0.114 R)
• M23: 18,937,744 km (0.106 R)
• M24: 19,478,989 km (0.097 R)
• M25: 20,190,177 km (0.117 R)
• M26: 21,916,238 km (0.041 R)
• M27: 23,383,793 km (0.073 R)
• M28: 24,186,535 km (0.075 R)
• M29: 26,801,506 km (0.086 R)
• M30: 32,255,246 km (0.113 R)
• M31: 32,584,211 km (0.115 R)
• M32: 40,402,645 km (0.082 R)
• M33: 41,041,278 km (0.08 R)
• M34: 44,470,959 km (0.101 R)
• M35: 44,742,330 km (0.086 R)
• M36: 45,288,661 km (0.091 R)
• M37: 46,255,213 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 89.9

Radius: 3.9

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 5.93 AU - 6.01 AU

Year: 10069 Days

Day: 18.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,282,155 km

• M1: 52,808 km (0.08 R)
• M2: 492,775 km (0.081 R)
• M3: 804,537 km (0.081 R)
• M4: 1,255,725 km (0.099 R)
• M5: 1,431,352 km (0.109 R)
• M6: 2,364,095 km (0.039 R)
• M7: 2,632,923 km (0.087 R)
• M8: 2,869,287 km (0.119 R)
• M9: 3,028,609 km (0.094 R)
• M10: 5,115,350 km (0.114 R)
• M11: 7,101,561 km (0.035 R)
• M12: 7,626,350 km (0.12 R)
• M13: 8,211,577 km (0.035 R)
• M14: 9,706,059 km (0.094 R)
• M15: 10,726,766 km (0.092 R)
• M16: 12,412,285 km (0.096 R)
• M17: 14,420,188 km (0.102 R)
• M18: 16,577,987 km (0.116 R)
• M19: 19,883,053 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 273.6

Radius: 7.5

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 5.08 AU - 7.12 AU

Year: 10399 Days

Day: 19.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 153.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 54,282,155 km

• M1: 94,097 km (0.064 R)
• M2: 329,564 km (0.098 R)
• M3: 692,489 km (0.06 R)
• M4: 1,311,076 km (0.076 R)
• M5: 2,751,703 km (0.094 R)
• M6: 3,256,596 km (0.066 R)
• M7: 3,869,499 km (0.108 R)
• M8: 5,058,502 km (0.116 R)
• M9: 6,106,136 km (0.081 R)
• M10: 6,440,039 km (0.103 R)
• M11: 9,347,025 km (0.092 R)
• M12: 9,836,210 km (0.111 R)
• M13: 10,962,981 km (0.051 R)
• M14: 11,608,047 km (0.102 R)
• M15: 12,069,257 km (0.041 R)
• M16: 16,851,003 km (0.057 R)
• M17: 18,736,236 km (0.067 R)
• M18: 20,534,701 km (0.105 R)
• M19: 23,241,376 km (0.106 R)
• M20: 23,891,827 km (0.11 R)
• M21: 25,829,718 km (0.105 R)
• M22: 26,881,241 km (0.101 R)
• M23: 27,597,815 km (0.083 R)
• M24: 27,961,039 km (0.11 R)
• M25: 31,868,535 km (0.088 R)
• M26: 32,168,030 km (0.114 R)
• M27: 35,054,072 km (0.104 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 421.9

Radius: 6.5

Gravity: 9.99 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 7.85 AU - 7.97 AU

Year: 15356 Days

Day: 21.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,282,155 km

• M1: 81,082 km (0.069 R)
• M2: 306,975 km (0.118 R)
• M3: 527,632 km (0.072 R)
• M4: 811,568 km (0.05 R)
• M5: 1,055,563 km (0.088 R)
• M6: 1,486,554 km (0.106 R)
• M7: 1,941,481 km (0.11 R)
• M8: 2,365,142 km (0.086 R)
• M9: 2,652,071 km (0.032 R)
• M10: 4,360,180 km (0.083 R)
• M11: 5,853,017 km (0.109 R)
• M12: 6,654,712 km (0.075 R)
• M13: 7,834,590 km (0.108 R)
• M14: 8,615,641 km (0.032 R)
• M15: 14,897,255 km (0.086 R)
• M16: 18,831,679 km (0.102 R)
• M17: 20,480,397 km (0.119 R)
• M18: 23,967,972 km (0.086 R)
• M19: 25,310,763 km (0.038 R)
• M20: 32,667,238 km (0.069 R)
• M21: 41,602,420 km (0.055 R)
• M22: 43,959,933 km (0.053 R)
• M23: 44,669,924 km (0.11 R)
• M24: 45,243,482 km (0.028 R)
• M25: 45,967,087 km (0.109 R)
• M26: 48,636,661 km (0.114 R)
• M27: 50,009,371 km (0.114 R)
• M28: 51,564,591 km (0.113 R)
• M29: 53,151,824 km (0.074 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 11,788 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit