🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.7

Radius: 10.2

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.06 AU - 1.28 AU

Year: 858 Days

Day: 14.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,877,271 km

• M1: 126,859 km (0.069 R)
• M2: 517,758 km (0.06 R)
• M3: 1,124,228 km (0.102 R)
• M4: 1,763,161 km (0.036 R)
• M5: 2,229,457 km (0.096 R)
• M6: 2,708,021 km (0.108 R)
• M7: 3,064,512 km (0.077 R)
• M8: 3,465,734 km (0.117 R)
• M9: 3,814,746 km (0.072 R)
• M10: 4,141,168 km (0.087 R)
• M11: 5,343,486 km (0.085 R)
• M12: 6,045,400 km (0.111 R)
• M13: 6,658,601 km (0.112 R)
• M14: 7,200,894 km (0.1 R)
• M15: 7,586,258 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.8

Radius: 10.6

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.93 AU - 2.49 AU

Year: 2228 Days

Day: 13 Hours

Environment

Temp: -214 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,877,271 km

• M1: 131,796 km (0.104 R)
• M2: 470,784 km (0.048 R)
• M3: 878,439 km (0.099 R)
• M4: 1,275,621 km (0.045 R)
• M5: 2,162,288 km (0.07 R)
• M6: 2,570,839 km (0.104 R)
• M7: 3,778,992 km (0.112 R)
• M8: 4,165,104 km (0.105 R)
• M9: 4,891,252 km (0.108 R)
• M10: 5,369,816 km (0.1 R)
• M11: 6,314,676 km (0.076 R)
• M12: 7,343,161 km (0.081 R)
• M13: 9,036,160 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664

Radius: 11.6

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.65 AU - 2.67 AU

Year: 2942 Days

Day: 6.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,877,271 km

• M1: 145,708 km (0.11 R)
• M2: 712,684 km (0.057 R)
• M3: 1,174,493 km (0.099 R)
• M4: 3,024,420 km (0.114 R)
• M5: 3,611,891 km (0.07 R)
• M6: 4,231,825 km (0.034 R)
• M7: 4,782,494 km (0.112 R)
• M8: 5,531,381 km (0.101 R)
• M9: 6,784,712 km (0.073 R)
• M10: 9,996,878 km (0.11 R)
• M11: 10,815,328 km (0.089 R)
• M12: 11,385,445 km (0.12 R)
• M13: 13,216,822 km (0.1 R)
• M14: 14,936,450 km (0.115 R)
• M15: 19,166,180 km (0.11 R)
• M16: 20,551,606 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.4

Radius: 8.6

Gravity: 12.89 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.45 AU - 3.43 AU

Year: 3419 Days

Day: 12.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 72,877,271 km

• M1: 106,962 km (0.094 R)
• M2: 581,038 km (0.059 R)
• M3: 977,024 km (0.104 R)
• M4: 1,312,721 km (0.09 R)
• M5: 1,983,069 km (0.093 R)
• M6: 2,864,799 km (0.098 R)
• M7: 3,267,816 km (0.097 R)
• M8: 4,075,345 km (0.084 R)
• M9: 4,348,960 km (0.07 R)
• M10: 4,907,857 km (0.071 R)
• M11: 5,624,282 km (0.049 R)
• M12: 6,110,026 km (0.106 R)
• M13: 6,906,784 km (0.043 R)
• M14: 7,531,505 km (0.082 R)
• M15: 8,121,968 km (0.063 R)
• M16: 9,753,332 km (0.053 R)
• M17: 10,412,760 km (0.094 R)
• M18: 12,665,554 km (0.097 R)
• M19: 13,854,558 km (0.105 R)
• M20: 14,476,137 km (0.103 R)
• M21: 18,294,024 km (0.036 R)
• M22: 19,875,573 km (0.116 R)
• M23: 20,799,938 km (0.069 R)
• M24: 22,877,105 km (0.058 R)
• M25: 23,308,395 km (0.114 R)
• M26: 24,785,824 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.2

Radius: 11.3

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 4.37 AU - 4.61 AU

Year: 6453 Days

Day: 13.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,877,271 km

• M1: 140,472 km (0.119 R)
• M2: 524,939 km (0.111 R)
• M3: 1,602,193 km (0.119 R)
• M4: 2,113,968 km (0.114 R)
• M5: 3,167,137 km (0.116 R)
• M6: 3,701,201 km (0.097 R)
• M7: 4,688,996 km (0.029 R)
• M8: 5,084,832 km (0.105 R)
• M9: 7,066,555 km (0.046 R)
• M10: 10,373,864 km (0.05 R)
• M11: 11,833,640 km (0.032 R)
• M12: 13,426,110 km (0.108 R)
• M13: 14,548,991 km (0.065 R)
• M14: 17,654,942 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 323.3

Radius: 6

Gravity: 8.98 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 6.37 AU - 7.05 AU

Year: 11789 Days

Day: 17.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 72,877,271 km

• M1: 74,649 km (0.086 R)
• M2: 261,347 km (0.068 R)
• M3: 701,016 km (0.1 R)
• M4: 939,175 km (0.103 R)
• M5: 1,163,722 km (0.093 R)
• M6: 1,475,484 km (0.056 R)
• M7: 1,903,334 km (0.1 R)
• M8: 2,096,165 km (0.028 R)
• M9: 2,337,766 km (0.071 R)
• M10: 3,089,196 km (0.106 R)
• M11: 3,288,610 km (0.049 R)
• M12: 4,147,601 km (0.071 R)
• M13: 4,501,998 km (0.047 R)
• M14: 4,700,963 km (0.114 R)
• M15: 4,965,602 km (0.053 R)
• M16: 5,240,114 km (0.079 R)
• M17: 5,589,276 km (0.119 R)
• M18: 6,159,393 km (0.101 R)
• M19: 7,220,192 km (0.103 R)
• M20: 7,854,935 km (0.1 R)
• M21: 8,440,312 km (0.082 R)
• M22: 8,656,331 km (0.04 R)
• M23: 9,144,469 km (0.062 R)
• M24: 9,934,795 km (0.094 R)
• M25: 11,650,383 km (0.094 R)
• M26: 14,212,247 km (0.083 R)
• M27: 14,703,975 km (0.104 R)
• M28: 15,016,933 km (0.101 R)
• M29: 18,613,715 km (0.034 R)
• M30: 21,519,953 km (0.087 R)
• M31: 21,761,553 km (0.083 R)
• M32: 29,283,484 km (0.101 R)
• M33: 29,481,103 km (0.112 R)
• M34: 35,605,640 km (0.117 R)
• M35: 37,201,550 km (0.058 R)
• M36: 39,683,678 km (0.109 R)
• M37: 40,903,648 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 992

Radius: 4.2

Gravity: 56.24 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 6.73 AU - 8.39 AU

Year: 14099 Days

Day: 24.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 72,877,271 km

• M1: 52,808 km (0.115 R)
• M2: 231,278 km (0.08 R)
• M3: 1,116,748 km (0.11 R)
• M4: 1,320,201 km (0.056 R)
• M5: 1,531,882 km (0.115 R)
• M6: 3,178,356 km (0.117 R)
• M7: 4,611,953 km (0.085 R)
• M8: 6,015,779 km (0.11 R)
• M9: 6,385,884 km (0.112 R)
• M10: 7,446,832 km (0.068 R)
• M11: 8,216,065 km (0.039 R)
• M12: 8,723,052 km (0.065 R)
• M13: 8,984,250 km (0.101 R)
• M14: 9,250,534 km (0.102 R)
• M15: 10,602,899 km (0.078 R)
• M16: 12,406,151 km (0.099 R)
• M17: 18,676,995 km (0.059 R)
• M18: 20,088,750 km (0.116 R)
• M19: 20,270,063 km (0.071 R)
• M20: 20,913,334 km (0.108 R)
• M21: 25,801,893 km (0.076 R)
• M22: 32,013,196 km (0.106 R)
• M23: 32,634,177 km (0.101 R)
• M24: 34,028,579 km (0.108 R)
• M25: 35,198,584 km (0.041 R)
• M26: 38,309,920 km (0.068 R)
• M27: 39,009,739 km (0.117 R)
• M28: 40,003,817 km (0.069 R)
• M29: 52,761,224 km (0.071 R)
• M30: 56,823,106 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 465.7

Radius: 3.7

Gravity: 34.02 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 8.46 AU - 8.48 AU

Year: 16719 Days

Day: 22.9 Hours

Environment

Temp: -242 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 72,877,271 km

• M1: 49,517 km (0.064 R)
• M2: 164,707 km (0.111 R)
• M3: 322,383 km (0.093 R)
• M4: 472,580 km (0.041 R)
• M5: 660,624 km (0.085 R)
• M6: 786,885 km (0.082 R)
• M7: 1,041,351 km (0.091 R)
• M8: 1,175,241 km (0.105 R)
• M9: 1,448,407 km (0.066 R)
• M10: 2,063,852 km (0.083 R)
• M11: 2,296,477 km (0.105 R)
• M12: 3,457,955 km (0.069 R)
• M13: 4,016,254 km (0.111 R)
• M14: 4,441,411 km (0.044 R)
• M15: 6,566,150 km (0.041 R)
• M16: 8,630,750 km (0.073 R)
• M17: 9,491,985 km (0.049 R)
• M18: 12,292,457 km (0.096 R)
• M19: 17,257,610 km (0.032 R)
• M20: 18,129,916 km (0.112 R)
• M21: 18,617,904 km (0.118 R)
• M22: 23,030,143 km (0.099 R)
• M23: 23,795,187 km (0.064 R)
• M24: 23,989,066 km (0.081 R)
• M25: 25,578,094 km (0.09 R)
• M26: 26,502,160 km (0.093 R)
• M27: 29,296,050 km (0.063 R)
• M28: 29,855,097 km (0.044 R)
• M29: 32,161,897 km (0.09 R)
• M30: 32,398,860 km (0.041 R)
• M31: 32,517,790 km (0.059 R)
• M32: 33,358,530 km (0.088 R)
• M33: 35,083,393 km (0.108 R)
• M34: 36,351,235 km (0.092 R)
• M35: 36,866,750 km (0.078 R)
• M36: 39,247,301 km (0.102 R)
• M37: 39,382,537 km (0.057 R)
• M38: 41,447,586 km (0.036 R)
• M39: 43,150,758 km (0.118 R)
• M40: 43,294,821 km (0.117 R)
• M41: 50,590,260 km (0.094 R)
• M42: 57,088,343 km (0.111 R)
• M43: 57,959,750 km (0.068 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 715.5

Radius: 4.2

Gravity: 40.56 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 7.76 AU - 10.26 AU

Year: 18343 Days

Day: 21.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 72,877,271 km

• M1: 52,210 km (0.085 R)
• M2: 201,359 km (0.048 R)
• M3: 403,765 km (0.086 R)
• M4: 1,203,814 km (0.04 R)
• M5: 1,533,977 km (0.115 R)
• M6: 1,865,336 km (0.073 R)
• M7: 5,525,098 km (0.082 R)
• M8: 5,882,787 km (0.052 R)
• M9: 6,556,575 km (0.062 R)
• M10: 7,469,272 km (0.076 R)
• M11: 9,941,676 km (0.112 R)
• M12: 13,048,076 km (0.069 R)
• M13: 15,703,887 km (0.118 R)
• M14: 16,745,238 km (0.118 R)
• M15: 18,698,986 km (0.052 R)
• M16: 19,593,880 km (0.058 R)
• M17: 20,516,899 km (0.044 R)
• M18: 21,275,959 km (0.102 R)
• M19: 22,950,707 km (0.059 R)
• M20: 23,255,139 km (0.115 R)
• M21: 23,459,639 km (0.12 R)
• M22: 28,615,829 km (0.08 R)
• M23: 32,020,676 km (0.115 R)
• M24: 32,655,719 km (0.108 R)
• M25: 34,744,554 km (0.092 R)
• M26: 46,534,811 km (0.078 R)
• M27: 68,175,789 km (0.117 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 220 - 17,706 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit