🌌 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: 602.5

Radius: 14.3

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.89 AU - 1.35 AU

Year: 765 Days

Day: 11.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,884,149 km

• M1: 178,470 km (0.119 R)
• M2: 700,118 km (0.061 R)
• M3: 1,600,398 km (0.104 R)
• M4: 2,108,432 km (0.101 R)
• M5: 2,658,055 km (0.079 R)
• M6: 3,126,446 km (0.103 R)
• M7: 3,832,997 km (0.084 R)
• M8: 4,709,939 km (0.09 R)
• M9: 5,276,616 km (0.083 R)
• M10: 6,262,167 km (0.044 R)
• M11: 6,799,373 km (0.086 R)
• M12: 7,480,043 km (0.087 R)
• M13: 8,109,551 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.9

Radius: 11.9

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.86 AU - 2.9 AU

Year: 2371 Days

Day: 12 Hours

Environment

Temp: -194 °C

Axial Tilt: 120.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,884,149 km

• M1: 207,043 km (0.094 R)
• M2: 965,654 km (0.112 R)
• M3: 1,447,958 km (0.048 R)
• M4: 1,933,852 km (0.092 R)
• M5: 2,672,267 km (0.111 R)
• M6: 3,190,324 km (0.076 R)
• M7: 5,516,421 km (0.071 R)
• M8: 6,551,040 km (0.103 R)
• M9: 7,989,873 km (0.055 R)
• M10: 8,767,034 km (0.072 R)
• M11: 9,772,631 km (0.081 R)
• M12: 10,738,135 km (0.107 R)
• M13: 11,971,121 km (0.12 R)
• M14: 14,294,525 km (0.055 R)
• M15: 14,764,412 km (0.113 R)
• M16: 16,593,695 km (0.099 R)
• M17: 17,270,775 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.6

Radius: 9.7

Gravity: 9.84 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.52 AU - 2.96 AU

Year: 2928 Days

Day: 6 Hours

Environment

Temp: -204 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 79,884,149 km

• M1: 124,465 km (0.055 R)
• M2: 426,204 km (0.072 R)
• M3: 1,160,730 km (0.09 R)
• M4: 1,564,345 km (0.028 R)
• M5: 2,169,319 km (0.115 R)
• M6: 2,772,946 km (0.116 R)
• M7: 3,296,090 km (0.097 R)
• M8: 3,761,040 km (0.119 R)
• M9: 4,517,257 km (0.068 R)
• M10: 5,243,405 km (0.117 R)
• M11: 8,336,341 km (0.081 R)
• M12: 8,906,908 km (0.101 R)
• M13: 12,113,239 km (0.115 R)
• M14: 12,521,491 km (0.09 R)
• M15: 12,892,195 km (0.086 R)
• M16: 13,510,034 km (0.051 R)
• M17: 15,377,016 km (0.12 R)
• M18: 16,843,673 km (0.056 R)
• M19: 18,342,045 km (0.059 R)
• M20: 20,242,537 km (0.083 R)
• M21: 21,668,504 km (0.106 R)
• M22: 22,746,805 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.8

Radius: 8.6

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.52 AU - 3.1 AU

Year: 3041 Days

Day: 10 Hours

Environment

Temp: -192 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 79,884,149 km

• M1: 106,962 km (0.063 R)
• M2: 445,203 km (0.111 R)
• M3: 1,112,111 km (0.094 R)
• M4: 1,405,921 km (0.064 R)
• M5: 1,981,873 km (0.071 R)
• M6: 2,546,156 km (0.091 R)
• M7: 2,858,815 km (0.092 R)
• M8: 4,313,804 km (0.107 R)
• M9: 5,622,038 km (0.091 R)
• M10: 6,421,040 km (0.073 R)
• M11: 6,694,355 km (0.119 R)
• M12: 7,061,319 km (0.112 R)
• M13: 8,436,273 km (0.083 R)
• M14: 8,864,721 km (0.069 R)
• M15: 9,135,643 km (0.102 R)
• M16: 10,237,880 km (0.051 R)
• M17: 11,910,234 km (0.067 R)
• M18: 12,832,805 km (0.107 R)
• M19: 14,120,693 km (0.072 R)
• M20: 14,819,763 km (0.11 R)
• M21: 17,422,467 km (0.106 R)
• M22: 18,117,798 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.3

Radius: 15

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.43 AU - 3.49 AU

Year: 3288 Days

Day: 14.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,884,149 km

• M1: 187,596 km (0.098 R)
• M2: 923,168 km (0.072 R)
• M3: 1,682,228 km (0.119 R)
• M4: 2,473,900 km (0.111 R)
• M5: 3,337,080 km (0.089 R)
• M6: 4,433,931 km (0.043 R)
• M7: 5,930,508 km (0.103 R)
• M8: 7,831,748 km (0.117 R)
• M9: 8,349,356 km (0.101 R)
• M10: 10,326,292 km (0.097 R)
• M11: 12,313,401 km (0.09 R)
• M12: 13,613,107 km (0.104 R)
• M13: 16,882,569 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.6

Radius: 8.7

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.6 AU - 3.94 AU

Year: 3818 Days

Day: 6 Hours

Environment

Temp: -202 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,884,149 km

• M1: 108,159 km (0.084 R)
• M2: 429,047 km (0.072 R)
• M3: 733,329 km (0.117 R)
• M4: 1,047,185 km (0.05 R)
• M5: 1,462,319 km (0.111 R)
• M6: 1,733,241 km (0.113 R)
• M7: 3,988,578 km (0.083 R)
• M8: 5,185,511 km (0.116 R)
• M9: 6,636,311 km (0.098 R)
• M10: 6,912,618 km (0.067 R)
• M11: 8,095,489 km (0.083 R)
• M12: 8,662,315 km (0.116 R)
• M13: 9,255,471 km (0.087 R)
• M14: 10,276,775 km (0.106 R)
• M15: 12,082,571 km (0.112 R)
• M16: 14,858,509 km (0.085 R)
• M17: 16,200,253 km (0.103 R)
• M18: 17,272,720 km (0.075 R)
• M19: 20,384,804 km (0.11 R)
• M20: 21,366,765 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585

Radius: 13.2

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 3.53 AU - 4.63 AU

Year: 5321 Days

Day: 9.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,884,149 km

• M1: 166,054 km (0.045 R)
• M2: 650,900 km (0.073 R)
• M3: 1,280,707 km (0.104 R)
• M4: 2,763,671 km (0.068 R)
• M5: 4,510,825 km (0.102 R)
• M6: 4,945,257 km (0.072 R)
• M7: 6,388,427 km (0.081 R)
• M8: 6,872,077 km (0.092 R)
• M9: 8,586,469 km (0.1 R)
• M10: 10,394,359 km (0.11 R)
• M11: 11,669,831 km (0.058 R)
• M12: 13,047,178 km (0.12 R)
• M13: 14,203,420 km (0.1 R)
• M14: 15,426,832 km (0.103 R)
• M15: 15,888,640 km (0.115 R)
• M16: 17,516,265 km (0.114 R)
• M17: 18,726,362 km (0.114 R)
• M18: 22,031,428 km (0.107 R)
• M19: 23,745,221 km (0.059 R)
• M20: 25,868,763 km (0.074 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.6

Radius: 9

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.5 AU - 5.94 AU

Year: 7701 Days

Day: 12.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,884,149 km

• M1: 112,797 km (0.081 R)
• M2: 436,676 km (0.087 R)
• M3: 818,450 km (0.099 R)
• M4: 1,303,147 km (0.117 R)
• M5: 1,749,397 km (0.088 R)
• M6: 2,737,342 km (0.111 R)
• M7: 3,189,427 km (0.089 R)
• M8: 8,394,984 km (0.047 R)
• M9: 9,223,756 km (0.05 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 720.6

Radius: 4.9

Gravity: 30.01 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 8.29 AU - 8.47 AU

Year: 15663 Days

Day: 20.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 79,884,149 km

• M1: 61,186 km (0.074 R)
• M2: 330,013 km (0.052 R)
• M3: 924,365 km (0.102 R)
• M4: 1,112,111 km (0.081 R)
• M5: 1,339,499 km (0.108 R)
• M6: 1,533,977 km (0.099 R)
• M7: 1,888,224 km (0.091 R)
• M8: 2,075,222 km (0.086 R)
• M9: 2,357,812 km (0.041 R)
• M10: 3,665,297 km (0.051 R)
• M11: 5,032,622 km (0.051 R)
• M12: 5,211,092 km (0.108 R)
• M13: 5,927,816 km (0.059 R)
• M14: 6,371,673 km (0.115 R)
• M15: 6,538,474 km (0.119 R)
• M16: 7,416,763 km (0.082 R)
• M17: 8,981,108 km (0.094 R)
• M18: 12,419,017 km (0.034 R)
• M19: 13,483,406 km (0.117 R)
• M20: 17,280,648 km (0.12 R)
• M21: 17,442,663 km (0.075 R)
• M22: 18,774,832 km (0.096 R)
• M23: 19,031,991 km (0.09 R)
• M24: 27,662,441 km (0.078 R)
• M25: 29,469,285 km (0.12 R)
• M26: 34,583,737 km (0.062 R)
• M27: 34,970,297 km (0.089 R)
• M28: 37,349,652 km (0.068 R)
• M29: 44,066,746 km (0.09 R)
• M30: 45,747,328 km (0.106 R)
• M31: 51,545,742 km (0.054 R)
• M32: 56,915,407 km (0.07 R)
• M33: 61,508,212 km (0.085 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 996.1

Radius: 5.3

Gravity: 35.46 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 7.2 AU - 11.08 AU

Year: 17842 Days

Day: 19.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 79,884,149 km

• M1: 81,531 km (0.109 R)
• M2: 763,697 km (0.111 R)
• M3: 2,657,008 km (0.092 R)
• M4: 3,013,350 km (0.115 R)
• M5: 5,979,427 km (0.106 R)
• M6: 7,290,951 km (0.078 R)
• M7: 9,341,938 km (0.068 R)
• M8: 9,571,870 km (0.119 R)
• M9: 10,653,912 km (0.056 R)
• M10: 11,748,370 km (0.035 R)
• M11: 12,634,438 km (0.086 R)
• M12: 12,845,072 km (0.051 R)
• M13: 15,558,927 km (0.108 R)
• M14: 15,882,357 km (0.106 R)
• M15: 16,794,605 km (0.042 R)
• M16: 21,484,049 km (0.048 R)
• M17: 22,701,776 km (0.046 R)
• M18: 23,964,980 km (0.112 R)
• M19: 25,052,707 km (0.091 R)
• M20: 26,861,046 km (0.102 R)
• M21: 28,392,928 km (0.079 R)
• M22: 36,790,305 km (0.062 R)
• M23: 40,474,751 km (0.052 R)
• M24: 41,394,329 km (0.078 R)
• M25: 45,048,257 km (0.052 R)
• M26: 56,335,267 km (0.029 R)
• M27: 57,481,037 km (0.104 R)
• M28: 58,837,291 km (0.09 R)
• M29: 59,818,953 km (0.051 R)
• M30: 60,811,534 km (0.078 R)
• M31: 62,829,460 km (0.108 R)
• M32: 65,309,344 km (0.102 R)
• M33: 68,500,117 km (0.092 R)
• M34: 74,960,501 km (0.102 R)
• M35: 77,983,724 km (0.114 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: 395 - 13,961 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit