🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.7

Radius: 9.4

Gravity: 10.71 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.68 AU - 0.8 AU

Year: 411 Days

Day: 14.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,235,382 km

• M1: 147,504 km (0.101 R)
• M2: 361,578 km (0.108 R)
• M3: 768,185 km (0.065 R)
• M4: 976,126 km (0.046 R)
• M5: 1,244,355 km (0.065 R)
• M6: 1,478,177 km (0.081 R)
• M7: 1,778,868 km (0.11 R)
• M8: 2,102,448 km (0.105 R)
• M9: 2,778,481 km (0.059 R)
• M10: 3,325,860 km (0.111 R)
• M11: 3,703,295 km (0.062 R)
• M12: 4,052,158 km (0.04 R)
• M13: 4,242,745 km (0.106 R)
• M14: 4,521,296 km (0.118 R)
• M15: 4,744,197 km (0.081 R)
• M16: 5,274,522 km (0.04 R)
• M17: 5,905,526 km (0.076 R)
• M18: 6,197,690 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.6

Radius: 9.5

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.05 AU - 1.35 AU

Year: 849 Days

Day: 9.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,235,382 km

• M1: 165,605 km (0.093 R)
• M2: 381,624 km (0.109 R)
• M3: 1,135,897 km (0.093 R)
• M4: 1,342,790 km (0.106 R)
• M5: 2,489,608 km (0.117 R)
• M6: 2,970,266 km (0.085 R)
• M7: 3,406,044 km (0.096 R)
• M8: 4,509,179 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.2

Radius: 11

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.45 AU - 1.99 AU

Year: 1456 Days

Day: 10 Hours

Environment

Temp: -181 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,235,382 km

• M1: 136,882 km (0.111 R)
• M2: 481,256 km (0.096 R)
• M3: 707,149 km (0.119 R)
• M4: 1,304,045 km (0.1 R)
• M5: 1,612,964 km (0.05 R)
• M6: 1,988,604 km (0.081 R)
• M7: 2,817,975 km (0.076 R)
• M8: 3,081,267 km (0.098 R)
• M9: 3,303,420 km (0.037 R)
• M10: 3,533,651 km (0.085 R)
• M11: 4,288,073 km (0.082 R)
• M12: 4,519,800 km (0.108 R)
• M13: 4,757,661 km (0.084 R)
• M14: 5,303,245 km (0.064 R)
• M15: 6,169,566 km (0.057 R)
• M16: 6,561,363 km (0.097 R)
• M17: 7,004,771 km (0.116 R)
• M18: 7,748,871 km (0.1 R)
• M19: 7,998,400 km (0.099 R)
• M20: 8,683,558 km (0.11 R)
• M21: 9,283,894 km (0.11 R)
• M22: 10,258,375 km (0.086 R)
• M23: 12,538,845 km (0.075 R)
• M24: 13,017,259 km (0.111 R)
• M25: 13,314,210 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.4

Radius: 8.8

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.96 AU - 2.38 AU

Year: 2064 Days

Day: 6.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,235,382 km

• M1: 112,498 km (0.113 R)
• M2: 458,218 km (0.113 R)
• M3: 943,813 km (0.119 R)
• M4: 1,165,367 km (0.117 R)
• M5: 1,513,781 km (0.077 R)
• M6: 1,716,636 km (0.1 R)
• M7: 2,185,924 km (0.045 R)
• M8: 2,418,998 km (0.115 R)
• M9: 3,332,592 km (0.064 R)
• M10: 3,562,823 km (0.12 R)
• M11: 4,157,026 km (0.115 R)
• M12: 5,323,889 km (0.09 R)
• M13: 6,048,691 km (0.073 R)
• M14: 7,770,113 km (0.07 R)
• M15: 9,228,393 km (0.054 R)
• M16: 11,046,756 km (0.06 R)
• M17: 11,868,945 km (0.098 R)
• M18: 12,195,218 km (0.105 R)
• M19: 13,372,254 km (0.053 R)
• M20: 14,157,793 km (0.08 R)
• M21: 14,544,204 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.6

Radius: 13.5

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.48 AU - 4.1 AU

Year: 4764 Days

Day: 12.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,235,382 km

• M1: 169,943 km (0.112 R)
• M2: 484,996 km (0.117 R)
• M3: 1,302,997 km (0.058 R)
• M4: 1,841,699 km (0.085 R)
• M5: 2,836,675 km (0.095 R)
• M6: 4,369,155 km (0.116 R)
• M7: 5,638,194 km (0.092 R)
• M8: 7,262,528 km (0.111 R)
• M9: 8,560,289 km (0.116 R)
• M10: 9,341,938 km (0.027 R)
• M11: 9,651,905 km (0.1 R)
• M12: 11,895,873 km (0.095 R)
• M13: 14,416,148 km (0.089 R)
• M14: 14,918,348 km (0.082 R)
• M15: 16,029,711 km (0.108 R)
• M16: 16,724,144 km (0.085 R)
• M17: 18,157,741 km (0.11 R)
• M18: 18,416,844 km (0.096 R)
• M19: 21,624,223 km (0.087 R)
• M20: 23,496,440 km (0.12 R)
• M21: 25,294,158 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447

Radius: 8.5

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 3.19 AU - 5.03 AU

Year: 5380 Days

Day: 13.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 63,235,382 km

• M1: 114,592 km (0.119 R)
• M2: 396,285 km (0.071 R)
• M3: 658,081 km (0.094 R)
• M4: 964,009 km (0.1 R)
• M5: 1,279,660 km (0.094 R)
• M6: 1,696,889 km (0.081 R)
• M7: 2,162,437 km (0.119 R)
• M8: 2,772,497 km (0.091 R)
• M9: 3,198,552 km (0.059 R)
• M10: 3,442,546 km (0.093 R)
• M11: 4,915,337 km (0.086 R)
• M12: 6,183,179 km (0.109 R)
• M13: 6,391,419 km (0.1 R)
• M14: 6,710,362 km (0.099 R)
• M15: 6,982,032 km (0.095 R)
• M16: 7,513,553 km (0.105 R)
• M17: 8,183,303 km (0.104 R)
• M18: 8,758,507 km (0.096 R)
• M19: 9,163,468 km (0.064 R)
• M20: 9,481,214 km (0.065 R)
• M21: 11,152,372 km (0.045 R)
• M22: 14,307,690 km (0.073 R)
• M23: 17,333,606 km (0.109 R)
• M24: 17,770,881 km (0.091 R)
• M25: 19,206,871 km (0.109 R)
• M26: 21,176,626 km (0.076 R)
• M27: 24,570,852 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 433.4

Radius: 7.5

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.41 AU - 8.97 AU

Year: 12448 Days

Day: 17 Hours

Environment

Temp: -233 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 63,235,382 km

• M1: 95,593 km (0.065 R)
• M2: 921,373 km (0.11 R)
• M3: 1,092,513 km (0.049 R)
• M4: 2,351,828 km (0.119 R)
• M5: 2,585,500 km (0.095 R)
• M6: 2,807,952 km (0.042 R)
• M7: 3,087,401 km (0.101 R)
• M8: 3,635,228 km (0.04 R)
• M9: 4,427,798 km (0.111 R)
• M10: 6,390,073 km (0.049 R)
• M11: 7,284,818 km (0.102 R)
• M12: 9,086,126 km (0.067 R)
• M13: 10,018,719 km (0.078 R)
• M14: 11,974,412 km (0.113 R)
• M15: 14,002,809 km (0.098 R)
• M16: 15,210,663 km (0.12 R)
• M17: 17,603,780 km (0.113 R)
• M18: 18,303,000 km (0.099 R)
• M19: 18,717,087 km (0.118 R)
• M20: 24,525,225 km (0.099 R)
• M21: 25,073,501 km (0.053 R)
• M22: 26,329,225 km (0.041 R)
• M23: 26,754,682 km (0.085 R)
• M24: 27,760,727 km (0.102 R)
• M25: 27,905,987 km (0.103 R)
• M26: 28,490,765 km (0.066 R)
• M27: 28,637,820 km (0.105 R)
• M28: 31,815,578 km (0.088 R)
• M29: 32,204,981 km (0.042 R)
• M30: 34,349,167 km (0.109 R)
• M31: 36,230,360 km (0.072 R)
• M32: 38,502,902 km (0.056 R)
• M33: 44,993,953 km (0.111 R)
• M34: 47,238,669 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 743

Radius: 3.5

Gravity: 60.65 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 6.31 AU - 8.35 AU

Year: 12814 Days

Day: 18.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 63,235,382 km

• M1: 43,832 km (0.102 R)
• M2: 114,592 km (0.072 R)
• M3: 238,758 km (0.115 R)
• M4: 1,165,218 km (0.081 R)
• M5: 1,862,344 km (0.043 R)
• M6: 3,168,333 km (0.119 R)
• M7: 3,672,029 km (0.063 R)
• M8: 3,759,694 km (0.083 R)
• M9: 5,130,309 km (0.119 R)
• M10: 5,658,839 km (0.037 R)
• M11: 6,953,758 km (0.066 R)
• M12: 7,155,565 km (0.079 R)
• M13: 8,426,998 km (0.037 R)
• M14: 12,868,259 km (0.114 R)
• M15: 14,211,499 km (0.082 R)
• M16: 14,966,968 km (0.076 R)
• M17: 18,642,438 km (0.091 R)
• M18: 19,641,303 km (0.09 R)
• M19: 20,048,209 km (0.086 R)
• M20: 22,504,905 km (0.103 R)
• M21: 23,379,903 km (0.102 R)
• M22: 24,121,909 km (0.082 R)
• M23: 26,261,158 km (0.104 R)
• M24: 29,145,405 km (0.111 R)
• M25: 30,812,823 km (0.084 R)
• M26: 32,787,814 km (0.093 R)
• M27: 34,824,140 km (0.109 R)
• M28: 40,038,973 km (0.073 R)
• M29: 41,497,701 km (0.084 R)
• M30: 42,088,463 km (0.12 R)
• M31: 43,282,554 km (0.081 R)
• M32: 45,207,429 km (0.12 R)
• M33: 47,593,665 km (0.082 R)
• M34: 48,332,080 km (0.093 R)
• M35: 52,329,784 km (0.108 R)
• M36: 53,214,955 km (0.067 R)
• M37: 54,782,142 km (0.053 R)
• M38: 57,290,599 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 164.4

Radius: 4.4

Gravity: 8.49 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 6.23 AU - 8.83 AU

Year: 13342 Days

Day: 23.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,235,382 km

• M1: 152,141 km (0.065 R)
• M2: 490,831 km (0.113 R)
• M3: 3,023,672 km (0.103 R)
• M4: 3,149,185 km (0.063 R)
• M5: 3,342,166 km (0.103 R)
• M6: 3,541,131 km (0.091 R)
• M7: 3,792,007 km (0.071 R)
• M8: 4,075,794 km (0.116 R)
• M9: 5,314,614 km (0.069 R)
• M10: 6,262,616 km (0.103 R)
• M11: 12,944,704 km (0.059 R)
• M12: 23,355,070 km (0.087 R)
• M13: 23,587,545 km (0.116 R)
• M14: 24,766,825 km (0.049 R)
• M15: 30,232,832 km (0.109 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 355.5

Radius: 7.9

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 9.73 AU - 10.67 AU

Year: 21034 Days

Day: 18.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,235,382 km

• M1: 166,951 km (0.117 R)
• M2: 598,391 km (0.099 R)
• M3: 862,133 km (0.093 R)
• M4: 1,165,218 km (0.068 R)
• M5: 2,401,495 km (0.115 R)
• M6: 3,438,208 km (0.067 R)
• M7: 4,333,551 km (0.058 R)
• M8: 5,262,554 km (0.107 R)
• M9: 8,055,097 km (0.086 R)
• M10: 9,071,914 km (0.093 R)
• M11: 14,645,033 km (0.114 R)
• M12: 19,197,296 km (0.07 R)
• M13: 22,076,307 km (0.106 R)
• M14: 25,396,632 km (0.071 R)
• M15: 26,446,360 km (0.107 R)
• M16: 26,773,681 km (0.104 R)
• M17: 29,550,965 km (0.115 R)
• M18: 45,179,754 km (0.065 R)
• M19: 45,607,604 km (0.117 R)
• M20: 47,120,786 km (0.07 R)
• M21: 52,037,919 km (0.053 R)
• M22: 52,267,252 km (0.067 R)
• M23: 55,176,332 km (0.056 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 420 - 11,107 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit