🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.9

Radius: 13.2

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.73 AU - 1.01 AU

Year: 560 Days

Day: 11.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,313,001 km

• M1: 164,109 km (0.077 R)
• M2: 1,062,444 km (0.092 R)
• M3: 1,502,411 km (0.035 R)
• M4: 1,971,102 km (0.074 R)
• M5: 3,103,109 km (0.049 R)
• M6: 3,813,699 km (0.12 R)
• M7: 4,745,843 km (0.109 R)
• M8: 5,196,132 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.4

Radius: 14.6

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.92 AU - 1 AU

Year: 649 Days

Day: 8.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,313,001 km

• M1: 182,509 km (0.091 R)
• M2: 651,200 km (0.071 R)
• M3: 1,145,022 km (0.07 R)
• M4: 1,685,818 km (0.113 R)
• M5: 2,433,209 km (0.076 R)
• M6: 3,025,019 km (0.101 R)
• M7: 3,963,596 km (0.094 R)
• M8: 4,435,427 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.4

Radius: 9.8

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.54 AU - 1.66 AU

Year: 1397 Days

Day: 8.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,313,001 km

• M1: 121,922 km (0.094 R)
• M2: 442,361 km (0.118 R)
• M3: 856,747 km (0.097 R)
• M4: 1,282,353 km (0.056 R)
• M5: 1,672,953 km (0.084 R)
• M6: 2,120,550 km (0.1 R)
• M7: 2,433,808 km (0.112 R)
• M8: 3,155,019 km (0.084 R)
• M9: 3,662,156 km (0.107 R)
• M10: 4,761,999 km (0.047 R)
• M11: 5,283,797 km (0.104 R)
• M12: 6,489,556 km (0.112 R)
• M13: 6,830,190 km (0.069 R)
• M14: 7,157,211 km (0.118 R)
• M15: 7,842,668 km (0.092 R)
• M16: 8,370,749 km (0.035 R)
• M17: 8,892,845 km (0.115 R)
• M18: 9,938,235 km (0.112 R)
• M19: 10,590,183 km (0.067 R)
• M20: 11,728,174 km (0.094 R)
• M21: 12,161,559 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.8

Radius: 8

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.61 AU - 3.85 AU

Year: 4007 Days

Day: 13 Hours

Environment

Temp: -212 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,313,001 km

• M1: 104,120 km (0.095 R)
• M2: 580,440 km (0.097 R)
• M3: 862,133 km (0.116 R)
• M4: 1,185,264 km (0.075 R)
• M5: 1,547,740 km (0.096 R)
• M6: 2,249,952 km (0.081 R)
• M7: 2,764,120 km (0.05 R)
• M8: 3,698,359 km (0.039 R)
• M9: 6,525,310 km (0.03 R)
• M10: 7,538,237 km (0.094 R)
• M11: 9,619,592 km (0.064 R)
• M12: 13,939,679 km (0.074 R)
• M13: 14,687,519 km (0.093 R)
• M14: 15,265,864 km (0.11 R)
• M15: 15,560,722 km (0.073 R)
• M16: 16,726,089 km (0.09 R)
• M17: 18,332,321 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.9

Radius: 14.3

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 4.11 AU - 5.59 AU

Year: 7373 Days

Day: 13.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,313,001 km

• M1: 178,021 km (0.03 R)
• M2: 637,137 km (0.051 R)
• M3: 1,830,031 km (0.029 R)
• M4: 2,424,533 km (0.113 R)
• M5: 3,591,546 km (0.096 R)
• M6: 4,386,958 km (0.092 R)
• M7: 4,998,364 km (0.114 R)
• M8: 6,812,238 km (0.056 R)
• M9: 8,107,756 km (0.063 R)
• M10: 9,561,698 km (0.042 R)
• M11: 10,863,199 km (0.102 R)
• M12: 16,001,736 km (0.116 R)
• M13: 19,195,352 km (0.096 R)
• M14: 21,189,641 km (0.086 R)
• M15: 23,167,325 km (0.083 R)
• M16: 26,237,671 km (0.114 R)
• M17: 26,982,968 km (0.08 R)
• M18: 29,127,453 km (0.028 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 301.3

Radius: 3.3

Gravity: 27.67 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 5.33 AU - 7.67 AU

Year: 11439 Days

Day: 17.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,313,001 km

• M1: 42,935 km (0.08 R)
• M2: 157,527 km (0.088 R)
• M3: 506,987 km (0.093 R)
• M4: 678,426 km (0.055 R)
• M5: 915,389 km (0.088 R)
• M6: 2,458,641 km (0.112 R)
• M7: 2,609,286 km (0.069 R)
• M8: 3,968,682 km (0.057 R)
• M9: 4,418,373 km (0.047 R)
• M10: 5,641,485 km (0.11 R)
• M11: 5,804,547 km (0.081 R)
• M12: 6,488,658 km (0.034 R)
• M13: 6,998,488 km (0.104 R)
• M14: 13,997,574 km (0.042 R)
• M15: 16,911,590 km (0.027 R)
• M16: 19,161,393 km (0.113 R)
• M17: 20,281,432 km (0.052 R)
• M18: 24,329,401 km (0.099 R)
• M19: 26,907,421 km (0.119 R)
• M20: 28,025,366 km (0.082 R)
• M21: 28,500,190 km (0.11 R)
• M22: 29,368,456 km (0.075 R)
• M23: 29,759,804 km (0.117 R)
• M24: 39,513,585 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 334.3

Radius: 4

Gravity: 20.89 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 6.59 AU - 7.41 AU

Year: 12784 Days

Day: 24.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 53,313,001 km

• M1: 50,564 km (0.119 R)
• M2: 190,737 km (0.062 R)
• M3: 317,447 km (0.055 R)
• M4: 686,804 km (0.062 R)
• M5: 1,077,553 km (0.11 R)
• M6: 1,260,661 km (0.04 R)
• M7: 1,504,655 km (0.116 R)
• M8: 1,841,550 km (0.105 R)
• M9: 2,069,986 km (0.087 R)
• M10: 2,870,185 km (0.102 R)
• M11: 3,109,990 km (0.078 R)
• M12: 3,269,461 km (0.071 R)
• M13: 3,679,509 km (0.078 R)
• M14: 4,095,840 km (0.085 R)
• M15: 4,315,450 km (0.106 R)
• M16: 4,456,820 km (0.108 R)
• M17: 4,808,375 km (0.107 R)
• M18: 5,467,802 km (0.098 R)
• M19: 5,768,195 km (0.114 R)
• M20: 6,257,081 km (0.079 R)
• M21: 6,697,646 km (0.12 R)
• M22: 7,277,039 km (0.091 R)
• M23: 11,418,805 km (0.042 R)
• M24: 13,524,096 km (0.028 R)
• M25: 13,888,218 km (0.11 R)
• M26: 14,446,666 km (0.119 R)
• M27: 15,279,627 km (0.075 R)
• M28: 16,553,752 km (0.047 R)
• M29: 17,040,394 km (0.049 R)
• M30: 23,998,042 km (0.077 R)
• M31: 24,621,266 km (0.064 R)
• M32: 26,272,976 km (0.114 R)
• M33: 34,512,378 km (0.102 R)
• M34: 35,420,138 km (0.08 R)
• M35: 37,759,251 km (0.103 R)
• M36: 41,585,066 km (0.078 R)
• M37: 41,968,486 km (0.047 R)
• M38: 42,872,207 km (0.055 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 297.7

Radius: 7.7

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.05 AU - 9.05 AU

Year: 14320 Days

Day: 16.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 53,313,001 km

• M1: 95,892 km (0.107 R)
• M2: 350,957 km (0.052 R)
• M3: 655,837 km (0.112 R)
• M4: 1,480,421 km (0.075 R)
• M5: 1,795,474 km (0.048 R)
• M6: 2,207,765 km (0.052 R)
• M7: 2,722,532 km (0.057 R)
• M8: 3,530,510 km (0.096 R)
• M9: 5,314,764 km (0.101 R)
• M10: 6,833,032 km (0.106 R)
• M11: 7,144,495 km (0.097 R)
• M12: 8,050,310 km (0.118 R)
• M13: 8,892,397 km (0.107 R)
• M14: 10,750,701 km (0.036 R)
• M15: 13,090,262 km (0.062 R)
• M16: 14,189,508 km (0.108 R)
• M17: 14,761,719 km (0.101 R)
• M18: 15,349,190 km (0.094 R)
• M19: 15,749,365 km (0.102 R)
• M20: 16,991,925 km (0.058 R)
• M21: 17,492,329 km (0.068 R)
• M22: 22,192,695 km (0.109 R)
• M23: 26,702,023 km (0.116 R)
• M24: 30,827,184 km (0.116 R)
• M25: 31,250,995 km (0.074 R)
• M26: 32,110,435 km (0.109 R)
• M27: 33,540,441 km (0.118 R)
• M28: 34,101,583 km (0.105 R)
• M29: 39,811,135 km (0.086 R)
• M30: 43,818,563 km (0.043 R)
• M31: 45,988,629 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 931.4

Radius: 4.4

Gravity: 48.11 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 7.71 AU - 8.95 AU

Year: 16595 Days

Day: 24 Hours

Environment

Temp: -237 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 53,313,001 km

• M1: 54,753 km (0.089 R)
• M2: 237,711 km (0.095 R)
• M3: 518,057 km (0.078 R)
• M4: 658,679 km (0.082 R)
• M5: 1,203,066 km (0.095 R)
• M6: 1,454,540 km (0.11 R)
• M7: 4,008,475 km (0.112 R)
• M8: 4,168,395 km (0.038 R)
• M9: 5,069,273 km (0.069 R)
• M10: 5,218,572 km (0.116 R)
• M11: 7,014,794 km (0.111 R)
• M12: 8,383,614 km (0.103 R)
• M13: 9,576,956 km (0.087 R)
• M14: 10,273,484 km (0.079 R)
• M15: 10,817,572 km (0.051 R)
• M16: 11,572,592 km (0.086 R)
• M17: 15,564,761 km (0.115 R)
• M18: 17,440,419 km (0.071 R)
• M19: 17,695,633 km (0.041 R)
• M20: 19,644,145 km (0.101 R)
• M21: 20,955,969 km (0.099 R)
• M22: 22,325,089 km (0.065 R)
• M23: 24,808,862 km (0.117 R)
• M24: 27,128,078 km (0.115 R)
• M25: 28,281,627 km (0.076 R)
• M26: 32,192,415 km (0.091 R)
• M27: 40,467,570 km (0.091 R)
• M28: 42,276,807 km (0.076 R)
• M29: 45,410,882 km (0.068 R)
• M30: 51,261,805 km (0.065 R)
• M31: 51,436,086 km (0.082 R)
• M32: 52,312,879 km (0.091 R)
• M33: 53,378,016 km (0.073 R)
• M34: 57,407,734 km (0.054 R)
• M35: 59,113,150 km (0.097 R)
• M36: 68,148,263 km (0.099 R)
• M37: 73,765,962 km (0.095 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 190.3

Radius: 4.4

Gravity: 9.83 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 8 AU - 12.26 AU

Year: 22255 Days

Day: 21.7 Hours

Environment

Temp: -246 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,313,001 km

• M1: 55,501 km (0.11 R)
• M2: 249,230 km (0.116 R)
• M3: 737,069 km (0.062 R)
• M4: 1,450,052 km (0.049 R)
• M5: 2,560,368 km (0.094 R)
• M6: 2,977,147 km (0.054 R)
• M7: 3,287,413 km (0.089 R)
• M8: 4,028,820 km (0.05 R)
• M9: 7,983,590 km (0.116 R)
• M10: 8,210,230 km (0.06 R)
• M11: 8,723,650 km (0.07 R)
• M12: 12,322,526 km (0.111 R)
• M13: 19,277,930 km (0.11 R)
• M14: 19,603,754 km (0.114 R)
• M15: 20,350,247 km (0.113 R)
• M16: 20,603,217 km (0.053 R)
• M17: 26,713,991 km (0.061 R)
• M18: 27,017,375 km (0.053 R)
• M19: 29,635,039 km (0.094 R)
• M20: 32,761,934 km (0.109 R)
• M21: 37,096,233 km (0.097 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 445 - 18,993 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit