🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner (Rocky/Metallic)

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: 426.5

Radius: 14.9

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.98 AU - 1.26 AU

Year: 765 Days

Day: 12.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 25,094,236 km

• M1: 185,352 km (0.046 R)
• M2: 845,078 km (0.093 R)
• M3: 1,414,897 km (0.092 R)
• M4: 2,009,698 km (0.045 R)
• M5: 2,792,394 km (0.029 R)
• M6: 3,611,741 km (0.106 R)
• M7: 4,268,326 km (0.102 R)
• M8: 6,954,955 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.1

Radius: 12.7

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.93 AU - 1.47 AU

Year: 849 Days

Day: 5.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 25,094,236 km

• M1: 158,125 km (0.077 R)
• M2: 617,690 km (0.056 R)
• M3: 1,093,411 km (0.058 R)
• M4: 1,970,204 km (0.079 R)
• M5: 3,637,173 km (0.119 R)
• M6: 4,306,025 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.4

Radius: 13.6

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.93 AU - 1.49 AU

Year: 859 Days

Day: 6.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 25,094,236 km

• M1: 169,345 km (0.057 R)
• M2: 607,816 km (0.108 R)
• M3: 1,327,980 km (0.09 R)
• M4: 2,196,396 km (0.074 R)
• M5: 2,686,479 km (0.106 R)
• M6: 3,222,488 km (0.104 R)
• M7: 4,210,133 km (0.11 R)
• M8: 5,085,879 km (0.099 R)
• M9: 6,037,620 km (0.076 R)
• M10: 7,223,034 km (0.103 R)
• M11: 7,758,445 km (0.112 R)
• M12: 8,346,664 km (0.082 R)
• M13: 9,440,523 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.7

Radius: 12

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.08 AU - 2.16 AU

Year: 1993 Days

Day: 7.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 25,094,236 km

• M1: 149,299 km (0.066 R)
• M2: 861,534 km (0.096 R)
• M3: 1,802,804 km (0.096 R)
• M4: 2,352,726 km (0.101 R)
• M5: 2,851,186 km (0.072 R)
• M6: 4,288,073 km (0.035 R)
• M7: 4,973,232 km (0.099 R)
• M8: 5,568,182 km (0.097 R)
• M9: 6,460,234 km (0.113 R)
• M10: 7,061,319 km (0.072 R)
• M11: 7,670,930 km (0.116 R)
• M12: 8,681,763 km (0.106 R)
• M13: 10,257,477 km (0.09 R)
• M14: 10,679,642 km (0.097 R)
• M15: 12,525,082 km (0.09 R)
• M16: 13,839,748 km (0.084 R)
• M17: 14,443,076 km (0.085 R)
• M18: 14,973,999 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.3

Radius: 10.1

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 4.87 AU - 6.17 AU

Year: 8374 Days

Day: 14.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 25,094,236 km

• M1: 125,662 km (0.085 R)
• M2: 958,174 km (0.094 R)
• M3: 1,991,148 km (0.103 R)
• M4: 2,585,650 km (0.096 R)
• M5: 3,138,713 km (0.085 R)
• M6: 3,869,499 km (0.101 R)
• M7: 4,398,626 km (0.07 R)
• M8: 5,005,395 km (0.047 R)
• M9: 6,279,819 km (0.103 R)
• M10: 7,718,053 km (0.096 R)
• M11: 8,214,868 km (0.049 R)
• M12: 9,226,748 km (0.11 R)
• M13: 10,221,424 km (0.088 R)
• M14: 12,591,204 km (0.114 R)
• M15: 15,958,054 km (0.095 R)
• M16: 16,902,315 km (0.085 R)
• M17: 18,315,417 km (0.101 R)
• M18: 19,959,049 km (0.033 R)
• M19: 21,780,104 km (0.093 R)
• M20: 22,107,873 km (0.097 R)
• M21: 23,280,720 km (0.057 R)
• M22: 28,195,010 km (0.063 R)
• M23: 33,324,272 km (0.12 R)
• M24: 33,650,395 km (0.08 R)
• M25: 37,615,038 km (0.09 R)
• M26: 40,260,527 km (0.045 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 680.2

Radius: 7.6

Gravity: 11.78 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 7.07 AU - 8.91 AU

Year: 14583 Days

Day: 22.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 25,094,236 km

• M1: 94,546 km (0.093 R)
• M2: 861,235 km (0.043 R)
• M3: 1,148,912 km (0.06 R)
• M4: 1,686,866 km (0.117 R)
• M5: 2,749,758 km (0.08 R)
• M6: 3,104,904 km (0.072 R)
• M7: 3,463,640 km (0.031 R)
• M8: 4,024,183 km (0.09 R)
• M9: 4,908,456 km (0.061 R)
• M10: 6,268,001 km (0.087 R)
• M11: 7,274,047 km (0.103 R)
• M12: 7,677,812 km (0.094 R)
• M13: 10,478,134 km (0.06 R)
• M14: 13,624,028 km (0.09 R)
• M15: 14,237,828 km (0.054 R)
• M16: 14,870,028 km (0.085 R)
• M17: 17,348,715 km (0.072 R)
• M18: 25,279,198 km (0.111 R)
• M19: 26,519,364 km (0.051 R)
• M20: 29,008,673 km (0.119 R)
• M21: 30,367,321 km (0.109 R)
• M22: 30,713,490 km (0.081 R)
• M23: 32,005,417 km (0.102 R)
• M24: 37,009,167 km (0.093 R)
• M25: 40,248,709 km (0.062 R)
• M26: 42,943,565 km (0.096 R)
• M27: 43,234,084 km (0.041 R)
• M28: 43,966,066 km (0.055 R)
• M29: 44,409,325 km (0.057 R)
• M30: 47,595,161 km (0.099 R)
• M31: 48,532,541 km (0.059 R)
• M32: 50,283,285 km (0.086 R)
• M33: 51,255,671 km (0.088 R)
• M34: 58,416,473 km (0.072 R)
• M35: 60,396,251 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 486.3

Radius: 7.9

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 7.69 AU - 9.07 AU

Year: 15663 Days

Day: 16 Hours

Environment

Temp: -230 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 25,094,236 km

• M1: 98,286 km (0.092 R)
• M2: 468,690 km (0.072 R)
• M3: 2,038,421 km (0.057 R)
• M4: 2,483,025 km (0.045 R)
• M5: 3,461,096 km (0.113 R)
• M6: 9,013,721 km (0.103 R)
• M7: 10,100,998 km (0.093 R)
• M8: 17,182,512 km (0.111 R)
• M9: 17,726,001 km (0.071 R)
• M10: 20,444,195 km (0.119 R)
• M11: 28,268,911 km (0.066 R)
• M12: 33,736,863 km (0.094 R)
• M13: 35,330,529 km (0.104 R)
• M14: 35,580,208 km (0.038 R)
• M15: 38,403,718 km (0.093 R)
• M16: 39,466,461 km (0.078 R)
• M17: 46,407,503 km (0.087 R)
• M18: 48,376,660 km (0.056 R)
• M19: 53,296,186 km (0.053 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 228.3

Radius: 7.1

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 7.85 AU - 9.11 AU

Year: 15944 Days

Day: 16 Hours

Environment

Temp: -221 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 25,094,236 km

• M1: 90,656 km (0.102 R)
• M2: 429,196 km (0.103 R)
• M3: 683,363 km (0.04 R)
• M4: 1,203,814 km (0.085 R)
• M5: 2,029,146 km (0.095 R)
• M6: 3,300,428 km (0.119 R)
• M7: 4,610,457 km (0.116 R)
• M8: 5,284,694 km (0.074 R)
• M9: 5,780,911 km (0.07 R)
• M10: 6,564,205 km (0.113 R)
• M11: 6,865,944 km (0.044 R)
• M12: 7,456,706 km (0.109 R)
• M13: 7,785,372 km (0.109 R)
• M14: 8,038,193 km (0.092 R)
• M15: 9,197,726 km (0.064 R)
• M16: 12,066,863 km (0.095 R)
• M17: 12,577,740 km (0.081 R)
• M18: 13,581,841 km (0.093 R)
• M19: 15,615,475 km (0.055 R)
• M20: 16,427,791 km (0.056 R)
• M21: 17,554,263 km (0.091 R)
• M22: 18,358,052 km (0.101 R)
• M23: 20,275,598 km (0.074 R)
• M24: 22,492,339 km (0.062 R)
• M25: 23,968,122 km (0.081 R)
• M26: 24,594,189 km (0.054 R)
• M27: 28,085,654 km (0.113 R)
• M28: 28,681,353 km (0.109 R)
• M29: 29,692,784 km (0.098 R)
• M30: 32,979,299 km (0.064 R)
• M31: 36,736,001 km (0.095 R)
• M32: 39,640,593 km (0.06 R)
• M33: 41,021,681 km (0.107 R)
• M34: 44,279,175 km (0.115 R)
• M35: 45,357,027 km (0.039 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 290.6

Radius: 7.4

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 7.77 AU - 11.03 AU

Year: 18608 Days

Day: 16 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 25,094,236 km

• M1: 97,388 km (0.042 R)
• M2: 671,246 km (0.086 R)
• M3: 1,004,699 km (0.028 R)
• M4: 1,377,946 km (0.088 R)
• M5: 1,824,795 km (0.083 R)
• M6: 2,424,233 km (0.086 R)
• M7: 4,209,086 km (0.104 R)
• M8: 5,386,720 km (0.101 R)
• M9: 6,032,983 km (0.087 R)
• M10: 6,609,982 km (0.068 R)
• M11: 7,478,846 km (0.053 R)
• M12: 7,740,643 km (0.087 R)
• M13: 8,657,528 km (0.09 R)
• M14: 9,142,225 km (0.104 R)
• M15: 9,492,284 km (0.097 R)
• M16: 13,436,282 km (0.09 R)
• M17: 17,576,104 km (0.115 R)
• M18: 20,821,480 km (0.083 R)
• M19: 22,675,447 km (0.036 R)
• M20: 30,747,748 km (0.036 R)
• M21: 32,679,804 km (0.115 R)
• M22: 35,054,671 km (0.072 R)
• M23: 37,925,304 km (0.063 R)
• M24: 39,089,924 km (0.069 R)
• M25: 40,411,770 km (0.114 R)
• M26: 41,354,686 km (0.102 R)
• M27: 46,436,376 km (0.102 R)
• M28: 47,619,695 km (0.098 R)
• M29: 50,046,172 km (0.12 R)
• M30: 50,510,075 km (0.054 R)
• M31: 50,976,970 km (0.081 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 17.1

Radius: 4.6

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 8.63 AU - 13.63 AU

Year: 23975 Days

Day: 19.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,094,236 km

• M1: 57,595 km (0.099 R)
• M2: 1,274,723 km (0.117 R)
• M3: 2,089,733 km (0.062 R)
• M4: 3,891,190 km (0.093 R)
• M5: 5,995,434 km (0.094 R)
• M6: 6,996,692 km (0.105 R)
• M7: 8,353,844 km (0.046 R)
• M8: 8,644,962 km (0.063 R)
• M9: 9,324,585 km (0.08 R)
• M10: 13,610,863 km (0.089 R)
• M11: 15,163,390 km (0.066 R)
• M12: 19,426,331 km (0.06 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 246 - 13,949 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit