🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.7

Radius: 8.1

Gravity: 11.47 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.44 AU - 0.68 AU

Year: 295 Days

Day: 11.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,041,552 km

• M1: 100,679 km (0.048 R)
• M2: 400,623 km (0.07 R)
• M3: 803,789 km (0.102 R)
• M4: 1,078,152 km (0.082 R)
• M5: 1,476,980 km (0.07 R)
• M6: 1,911,711 km (0.117 R)
• M7: 2,420,643 km (0.054 R)
• M8: 3,257,793 km (0.115 R)
• M9: 3,814,447 km (0.091 R)
• M10: 4,109,454 km (0.117 R)
• M11: 4,366,911 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876

Radius: 10.1

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.12 AU - 1.3 AU

Year: 936 Days

Day: 5.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,041,552 km

• M1: 125,662 km (0.094 R)
• M2: 472,879 km (0.093 R)
• M3: 882,927 km (0.114 R)
• M4: 1,304,942 km (0.103 R)
• M5: 1,757,476 km (0.109 R)
• M6: 2,712,808 km (0.072 R)
• M7: 3,117,171 km (0.085 R)
• M8: 4,281,940 km (0.096 R)
• M9: 5,430,104 km (0.116 R)
• M10: 8,871,154 km (0.103 R)
• M11: 9,355,252 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.9

Radius: 10

Gravity: 8.69 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.78 AU - 1.96 AU

Year: 1798 Days

Day: 13.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 39,041,552 km

• M1: 124,465 km (0.109 R)
• M2: 443,558 km (0.096 R)
• M3: 876,943 km (0.096 R)
• M4: 1,428,360 km (0.11 R)
• M5: 2,018,823 km (0.108 R)
• M6: 2,484,222 km (0.081 R)
• M7: 3,066,906 km (0.059 R)
• M8: 3,510,164 km (0.104 R)
• M9: 3,865,609 km (0.107 R)
• M10: 4,566,625 km (0.069 R)
• M11: 5,213,635 km (0.117 R)
• M12: 5,702,072 km (0.071 R)
• M13: 6,271,891 km (0.093 R)
• M14: 7,127,291 km (0.064 R)
• M15: 7,788,813 km (0.071 R)
• M16: 8,616,987 km (0.102 R)
• M17: 9,435,138 km (0.075 R)
• M18: 10,412,012 km (0.087 R)
• M19: 11,112,279 km (0.068 R)
• M20: 11,765,274 km (0.066 R)
• M21: 12,403,010 km (0.097 R)
• M22: 14,545,102 km (0.115 R)
• M23: 15,561,619 km (0.073 R)
• M24: 16,135,776 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.9

Radius: 13.7

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.15 AU - 2.25 AU

Year: 2294 Days

Day: 9.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,041,552 km

• M1: 170,392 km (0.118 R)
• M2: 623,973 km (0.118 R)
• M3: 1,462,918 km (0.09 R)
• M4: 1,897,649 km (0.074 R)
• M5: 2,420,194 km (0.103 R)
• M6: 3,911,685 km (0.117 R)
• M7: 4,990,585 km (0.1 R)
• M8: 6,312,133 km (0.052 R)
• M9: 7,256,843 km (0.085 R)
• M10: 9,497,221 km (0.109 R)
• M11: 10,104,588 km (0.118 R)
• M12: 10,623,992 km (0.088 R)
• M13: 11,083,407 km (0.082 R)
• M14: 11,797,587 km (0.092 R)
• M15: 12,542,136 km (0.064 R)
• M16: 13,273,969 km (0.058 R)
• M17: 13,897,792 km (0.12 R)
• M18: 15,156,359 km (0.108 R)
• M19: 15,739,491 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685

Radius: 12.2

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.87 AU - 3.43 AU

Year: 3930 Days

Day: 9.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,041,552 km

• M1: 151,692 km (0.079 R)
• M2: 632,949 km (0.095 R)
• M3: 1,037,461 km (0.115 R)
• M4: 1,499,868 km (0.057 R)
• M5: 1,888,075 km (0.12 R)
• M6: 2,672,716 km (0.061 R)
• M7: 3,159,357 km (0.119 R)
• M8: 3,643,606 km (0.092 R)
• M9: 4,088,510 km (0.1 R)
• M10: 5,869,323 km (0.037 R)
• M11: 6,884,943 km (0.107 R)
• M12: 8,920,521 km (0.075 R)
• M13: 10,178,938 km (0.091 R)
• M14: 11,374,225 km (0.097 R)
• M15: 12,097,980 km (0.103 R)
• M16: 13,738,021 km (0.111 R)
• M17: 16,130,540 km (0.103 R)
• M18: 17,573,561 km (0.04 R)
• M19: 18,664,728 km (0.098 R)
• M20: 20,781,538 km (0.064 R)
• M21: 22,628,922 km (0.034 R)
• M22: 23,628,834 km (0.075 R)
• M23: 25,032,660 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.4

Radius: 9.6

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 3.08 AU - 4.2 AU

Year: 4882 Days

Day: 12.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,041,552 km

• M1: 119,379 km (0.042 R)
• M2: 452,534 km (0.085 R)
• M3: 827,575 km (0.09 R)
• M4: 2,347,340 km (0.088 R)
• M5: 2,767,261 km (0.078 R)
• M6: 4,168,844 km (0.058 R)
• M7: 7,219,294 km (0.069 R)
• M8: 9,858,649 km (0.077 R)
• M9: 11,987,427 km (0.042 R)
• M10: 14,080,451 km (0.114 R)
• M11: 17,691,145 km (0.06 R)
• M12: 18,326,188 km (0.051 R)
• M13: 20,185,390 km (0.095 R)
• M14: 22,830,729 km (0.113 R)
• M15: 23,129,776 km (0.115 R)
• M16: 24,980,152 km (0.065 R)
• M17: 25,537,853 km (0.103 R)
• M18: 26,185,462 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.9

Radius: 14

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 4.24 AU - 5.06 AU

Year: 7048 Days

Day: 6.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,041,552 km

• M1: 174,431 km (0.113 R)
• M2: 683,064 km (0.106 R)
• M3: 1,848,730 km (0.062 R)
• M4: 2,644,890 km (0.115 R)
• M5: 4,118,429 km (0.098 R)
• M6: 5,093,807 km (0.107 R)
• M7: 8,125,857 km (0.105 R)
• M8: 13,401,725 km (0.079 R)
• M9: 15,347,545 km (0.091 R)
• M10: 17,610,362 km (0.074 R)
• M11: 18,504,957 km (0.098 R)
• M12: 19,357,516 km (0.076 R)
• M13: 23,031,490 km (0.112 R)
• M14: 29,761,599 km (0.064 R)
• M15: 31,528,499 km (0.115 R)
• M16: 33,053,650 km (0.061 R)
• M17: 35,704,075 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.4

Radius: 13.1

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 3.78 AU - 5.52 AU

Year: 7048 Days

Day: 9.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,041,552 km

• M1: 163,211 km (0.084 R)
• M2: 595,250 km (0.052 R)
• M3: 1,193,941 km (0.105 R)
• M4: 1,887,776 km (0.113 R)
• M5: 2,562,163 km (0.079 R)
• M6: 2,984,627 km (0.07 R)
• M7: 3,950,132 km (0.086 R)
• M8: 5,168,158 km (0.11 R)
• M9: 6,059,761 km (0.104 R)
• M10: 6,526,656 km (0.097 R)
• M11: 7,017,636 km (0.096 R)
• M12: 7,498,144 km (0.11 R)
• M13: 8,640,773 km (0.075 R)
• M14: 9,686,013 km (0.073 R)
• M15: 10,501,920 km (0.114 R)
• M16: 12,221,847 km (0.076 R)
• M17: 13,748,643 km (0.117 R)
• M18: 15,919,308 km (0.113 R)
• M19: 16,510,818 km (0.113 R)
• M20: 18,762,864 km (0.095 R)
• M21: 20,167,289 km (0.094 R)
• M22: 21,000,699 km (0.086 R)
• M23: 22,001,808 km (0.075 R)
• M24: 23,184,678 km (0.049 R)
• M25: 26,821,851 km (0.052 R)
• M26: 28,257,243 km (0.057 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 433.5

Radius: 7.8

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 5.54 AU - 5.6 AU

Year: 9240 Days

Day: 21.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,041,552 km

• M1: 97,089 km (0.104 R)
• M2: 394,789 km (0.074 R)
• M3: 705,504 km (0.076 R)
• M4: 1,458,729 km (0.109 R)
• M5: 1,854,116 km (0.12 R)
• M6: 2,478,986 km (0.112 R)
• M7: 2,860,461 km (0.084 R)
• M8: 3,598,726 km (0.117 R)
• M9: 4,192,181 km (0.116 R)
• M10: 5,604,535 km (0.089 R)
• M11: 8,095,339 km (0.11 R)
• M12: 10,210,653 km (0.12 R)
• M13: 10,940,990 km (0.091 R)
• M14: 14,937,946 km (0.115 R)
• M15: 15,750,711 km (0.103 R)
• M16: 17,738,268 km (0.045 R)
• M17: 18,863,992 km (0.082 R)
• M18: 19,152,716 km (0.108 R)
• M19: 23,179,592 km (0.064 R)
• M20: 23,594,277 km (0.084 R)
• M21: 24,353,037 km (0.073 R)
• M22: 25,565,678 km (0.079 R)
• M23: 29,155,129 km (0.04 R)
• M24: 29,930,944 km (0.085 R)
• M25: 33,910,696 km (0.082 R)
• M26: 35,311,829 km (0.093 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: 415 - 10,681 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit