🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.8

Radius: 11.9

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.97 AU - 1.03 AU

Year: 656 Days

Day: 6.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,590,198 km

• M1: 153,637 km (0.113 R)
• M2: 687,552 km (0.11 R)
• M3: 1,359,845 km (0.101 R)
• M4: 1,842,298 km (0.104 R)
• M5: 2,255,786 km (0.107 R)
• M6: 2,642,347 km (0.12 R)
• M7: 3,565,067 km (0.107 R)
• M8: 4,307,521 km (0.115 R)
• M9: 4,757,362 km (0.106 R)
• M10: 5,676,790 km (0.08 R)
• M11: 6,380,050 km (0.104 R)
• M12: 7,634,578 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.6

Radius: 14.3

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.73 AU - 2.31 AU

Year: 1883 Days

Day: 13.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,590,198 km

• M1: 183,706 km (0.072 R)
• M2: 1,943,875 km (0.05 R)
• M3: 2,896,065 km (0.103 R)
• M4: 3,533,203 km (0.118 R)
• M5: 5,031,874 km (0.084 R)
• M6: 6,115,561 km (0.114 R)
• M7: 6,604,896 km (0.09 R)
• M8: 7,145,692 km (0.077 R)
• M9: 7,985,235 km (0.114 R)
• M10: 8,514,213 km (0.082 R)
• M11: 11,730,717 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.4

Radius: 9.9

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.88 AU - 2.94 AU

Year: 3256 Days

Day: 8.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,590,198 km

• M1: 126,560 km (0.062 R)
• M2: 452,384 km (0.079 R)
• M3: 763,099 km (0.071 R)
• M4: 1,102,237 km (0.092 R)
• M5: 1,598,902 km (0.071 R)
• M6: 2,226,166 km (0.063 R)
• M7: 2,692,612 km (0.099 R)
• M8: 3,681,005 km (0.072 R)
• M9: 4,095,092 km (0.095 R)
• M10: 4,846,522 km (0.049 R)
• M11: 6,474,297 km (0.078 R)
• M12: 6,925,035 km (0.106 R)
• M13: 11,233,903 km (0.11 R)
• M14: 12,562,332 km (0.079 R)
• M15: 13,943,270 km (0.068 R)
• M16: 15,956,408 km (0.063 R)
• M17: 16,891,993 km (0.116 R)
• M18: 17,344,676 km (0.05 R)
• M19: 18,811,633 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.7

Radius: 11.5

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.32 AU - 3.64 AU

Year: 4259 Days

Day: 11.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 76,590,198 km

• M1: 148,102 km (0.118 R)
• M2: 512,522 km (0.059 R)
• M3: 883,375 km (0.052 R)
• M4: 1,827,488 km (0.114 R)
• M5: 2,633,072 km (0.037 R)
• M6: 3,332,143 km (0.099 R)
• M7: 3,704,492 km (0.043 R)
• M8: 4,509,478 km (0.114 R)
• M9: 5,099,492 km (0.06 R)
• M10: 5,798,563 km (0.08 R)
• M11: 6,156,401 km (0.083 R)
• M12: 6,883,596 km (0.064 R)
• M13: 7,631,885 km (0.099 R)
• M14: 8,246,583 km (0.104 R)
• M15: 11,269,208 km (0.096 R)
• M16: 13,256,915 km (0.092 R)
• M17: 16,159,412 km (0.088 R)
• M18: 17,790,179 km (0.111 R)
• M19: 18,357,304 km (0.051 R)
• M20: 21,517,559 km (0.079 R)
• M21: 22,233,984 km (0.062 R)
• M22: 23,040,316 km (0.029 R)
• M23: 23,790,101 km (0.066 R)
• M24: 26,706,810 km (0.096 R)
• M25: 27,785,710 km (0.07 R)
• M26: 28,980,100 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.4

Radius: 13.2

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.81 AU - 3.95 AU

Year: 5014 Days

Day: 8.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,590,198 km

• M1: 225,594 km (0.084 R)
• M2: 655,239 km (0.101 R)
• M3: 1,590,973 km (0.071 R)
• M4: 2,401,345 km (0.093 R)
• M5: 2,991,808 km (0.052 R)
• M6: 4,047,819 km (0.074 R)
• M7: 4,539,697 km (0.098 R)
• M8: 5,644,328 km (0.11 R)
• M9: 7,696,960 km (0.113 R)
• M10: 8,493,120 km (0.081 R)
• M11: 9,872,113 km (0.067 R)
• M12: 10,292,334 km (0.119 R)
• M13: 11,213,856 km (0.102 R)
• M14: 16,784,881 km (0.062 R)
• M15: 21,220,608 km (0.037 R)
• M16: 25,983,056 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179

Radius: 10.8

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.71 AU - 4.83 AU

Year: 5788 Days

Day: 6 Hours

Environment

Temp: -217 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,590,198 km

• M1: 146,905 km (0.113 R)
• M2: 618,737 km (0.107 R)
• M3: 1,064,688 km (0.086 R)
• M4: 2,152,863 km (0.097 R)
• M5: 4,544,634 km (0.101 R)
• M6: 5,704,616 km (0.084 R)
• M7: 6,104,940 km (0.113 R)
• M8: 8,532,165 km (0.103 R)
• M9: 13,353,555 km (0.091 R)
• M10: 18,324,991 km (0.055 R)
• M11: 18,729,504 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.6

Radius: 10.3

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 5.43 AU - 5.55 AU

Year: 8439 Days

Day: 10 Hours

Environment

Temp: -229 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 76,590,198 km

• M1: 128,056 km (0.085 R)
• M2: 757,564 km (0.093 R)
• M3: 1,919,191 km (0.068 R)
• M4: 2,348,687 km (0.067 R)
• M5: 2,841,911 km (0.086 R)
• M6: 3,884,159 km (0.085 R)
• M7: 4,247,383 km (0.108 R)
• M8: 4,719,065 km (0.119 R)
• M9: 6,104,042 km (0.116 R)
• M10: 6,489,107 km (0.092 R)
• M11: 7,154,219 km (0.105 R)
• M12: 7,864,210 km (0.116 R)
• M13: 9,287,185 km (0.113 R)
• M14: 11,233,454 km (0.064 R)
• M15: 11,600,118 km (0.04 R)
• M16: 20,104,607 km (0.11 R)
• M17: 22,492,937 km (0.113 R)
• M18: 24,975,813 km (0.09 R)
• M19: 25,963,608 km (0.076 R)
• M20: 32,762,682 km (0.061 R)
• M21: 36,170,222 km (0.066 R)
• M22: 36,971,019 km (0.032 R)
• M23: 38,371,555 km (0.04 R)
• M24: 41,526,574 km (0.095 R)
• M25: 41,901,466 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.7

Radius: 14.4

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.92 AU - 6.48 AU

Year: 8927 Days

Day: 5.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,590,198 km

• M1: 179,069 km (0.079 R)
• M2: 783,743 km (0.112 R)
• M3: 1,596,508 km (0.053 R)
• M4: 2,445,925 km (0.104 R)
• M5: 3,194,214 km (0.068 R)
• M6: 4,161,663 km (0.115 R)
• M7: 16,204,441 km (0.119 R)
• M8: 17,612,157 km (0.065 R)
• M9: 21,022,989 km (0.051 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 293.2

Radius: 5.5

Gravity: 9.69 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 6.91 AU - 9.53 AU

Year: 15460 Days

Day: 23.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,590,198 km

• M1: 70,012 km (0.119 R)
• M2: 262,245 km (0.099 R)
• M3: 632,500 km (0.104 R)
• M4: 858,692 km (0.112 R)
• M5: 1,060,499 km (0.077 R)
• M6: 1,930,860 km (0.118 R)
• M7: 4,762,897 km (0.119 R)
• M8: 5,043,991 km (0.072 R)
• M9: 6,466,218 km (0.12 R)
• M10: 8,048,964 km (0.108 R)
• M11: 8,358,183 km (0.081 R)
• M12: 9,478,671 km (0.109 R)
• M13: 10,748,757 km (0.03 R)
• M14: 13,436,282 km (0.028 R)
• M15: 15,638,513 km (0.096 R)
• M16: 20,742,942 km (0.11 R)
• M17: 22,956,242 km (0.074 R)
• M18: 23,938,202 km (0.107 R)
• M19: 26,661,033 km (0.113 R)
• M20: 26,953,946 km (0.049 R)
• M21: 32,600,966 km (0.109 R)
• M22: 33,499,451 km (0.056 R)
• M23: 36,293,790 km (0.086 R)
• M24: 44,771,202 km (0.107 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 729.4

Radius: 5.4

Gravity: 25.01 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 8.86 AU - 10.38 AU

Year: 19574 Days

Day: 22.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 76,590,198 km

• M1: 72,854 km (0.088 R)
• M2: 272,717 km (0.109 R)
• M3: 449,841 km (0.116 R)
• M4: 652,247 km (0.115 R)
• M5: 1,035,068 km (0.076 R)
• M6: 1,277,267 km (0.09 R)
• M7: 1,952,851 km (0.079 R)
• M8: 2,574,729 km (0.072 R)
• M9: 3,022,027 km (0.115 R)
• M10: 5,341,242 km (0.087 R)
• M11: 5,859,001 km (0.065 R)
• M12: 6,409,521 km (0.063 R)
• M13: 10,158,443 km (0.106 R)
• M14: 11,917,116 km (0.093 R)
• M15: 13,149,054 km (0.094 R)
• M16: 19,846,402 km (0.056 R)
• M17: 21,276,856 km (0.049 R)
• M18: 22,571,028 km (0.118 R)
• M19: 25,424,906 km (0.103 R)
• M20: 26,314,565 km (0.099 R)
• M21: 26,767,098 km (0.116 R)
• M22: 27,224,868 km (0.087 R)
• M23: 32,609,194 km (0.055 R)
• M24: 34,326,279 km (0.092 R)
• M25: 34,730,941 km (0.025 R)
• M26: 37,225,785 km (0.109 R)
• M27: 43,349,274 km (0.106 R)
• M28: 44,139,151 km (0.12 R)
• M29: 50,111,098 km (0.037 R)
• M30: 50,284,183 km (0.072 R)
• M31: 52,929,821 km (0.067 R)
• M32: 54,195,569 km (0.067 R)
• M33: 56,225,163 km (0.059 R)
• M34: 57,164,189 km (0.083 R)
• M35: 60,239,622 km (0.099 R)
• M36: 63,221,107 km (0.064 R)
• M37: 64,850,827 km (0.12 R)
• M38: 70,340,620 km (0.096 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 254 - 14,321 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit