🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.3

Radius: 9.2

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.98 AU - 1.16 AU

Year: 738 Days

Day: 6.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,110,180 km

• M1: 114,442 km (0.047 R)
• M2: 508,932 km (0.114 R)
• M3: 884,871 km (0.088 R)
• M4: 1,174,044 km (0.089 R)
• M5: 1,497,624 km (0.096 R)
• M6: 1,961,826 km (0.114 R)
• M7: 2,618,711 km (0.088 R)
• M8: 3,004,823 km (0.109 R)
• M9: 3,634,331 km (0.104 R)
• M10: 4,349,408 km (0.092 R)
• M11: 4,657,131 km (0.03 R)
• M12: 5,208,549 km (0.102 R)
• M13: 5,726,307 km (0.111 R)
• M14: 6,629,729 km (0.115 R)
• M15: 6,994,897 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.8

Radius: 11.3

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.16 AU - 1.7 AU

Year: 1140 Days

Day: 6.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,110,180 km

• M1: 140,921 km (0.1 R)
• M2: 734,825 km (0.059 R)
• M3: 1,181,075 km (0.103 R)
• M4: 1,543,850 km (0.082 R)
• M5: 2,210,458 km (0.106 R)
• M6: 2,672,267 km (0.08 R)
• M7: 3,621,914 km (0.061 R)
• M8: 4,511,872 km (0.072 R)
• M9: 6,333,824 km (0.088 R)
• M10: 6,698,993 km (0.083 R)
• M11: 8,713,178 km (0.098 R)
• M12: 9,310,373 km (0.067 R)
• M13: 9,723,562 km (0.11 R)
• M14: 10,087,384 km (0.099 R)
• M15: 10,971,957 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.9

Radius: 11.4

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.23 AU - 1.81 AU

Year: 1250 Days

Day: 9.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,110,180 km

• M1: 141,819 km (0.061 R)
• M2: 633,547 km (0.097 R)
• M3: 1,022,801 km (0.116 R)
• M4: 1,739,973 km (0.11 R)
• M5: 2,406,880 km (0.08 R)
• M6: 3,093,983 km (0.119 R)
• M7: 4,214,770 km (0.113 R)
• M8: 4,801,044 km (0.079 R)
• M9: 5,524,949 km (0.117 R)
• M10: 6,251,097 km (0.081 R)
• M11: 6,625,540 km (0.05 R)
• M12: 7,064,610 km (0.082 R)
• M13: 8,873,099 km (0.119 R)
• M14: 9,931,803 km (0.095 R)
• M15: 10,378,203 km (0.09 R)
• M16: 11,106,744 km (0.081 R)
• M17: 11,622,857 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.5

Radius: 14

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.63 AU - 2.55 AU

Year: 2015 Days

Day: 10.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,110,180 km

• M1: 174,730 km (0.081 R)
• M2: 624,571 km (0.079 R)
• M3: 1,294,919 km (0.102 R)
• M4: 1,779,766 km (0.093 R)
• M5: 2,262,817 km (0.054 R)
• M6: 3,859,775 km (0.037 R)
• M7: 4,406,106 km (0.099 R)
• M8: 5,153,198 km (0.06 R)
• M9: 5,964,766 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.3

Radius: 8.8

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.12 AU - 2.22 AU

Year: 2132 Days

Day: 7.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,110,180 km

• M1: 109,506 km (0.049 R)
• M2: 438,023 km (0.075 R)
• M3: 847,771 km (0.086 R)
• M4: 1,148,612 km (0.1 R)
• M5: 1,714,840 km (0.094 R)
• M6: 2,250,700 km (0.098 R)
• M7: 2,920,749 km (0.067 R)
• M8: 3,639,716 km (0.076 R)
• M9: 4,074,597 km (0.088 R)
• M10: 4,436,325 km (0.119 R)
• M11: 4,782,046 km (0.105 R)
• M12: 7,678,709 km (0.094 R)
• M13: 8,151,588 km (0.065 R)
• M14: 8,897,333 km (0.092 R)
• M15: 9,537,911 km (0.115 R)
• M16: 10,084,692 km (0.066 R)
• M17: 10,397,351 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.3

Radius: 12

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.89 AU - 2.71 AU

Year: 2326 Days

Day: 15 Hours

Environment

Temp: -208 °C

Axial Tilt: 104.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,110,180 km

• M1: 149,299 km (0.055 R)
• M2: 671,395 km (0.11 R)
• M3: 1,239,867 km (0.099 R)
• M4: 1,729,800 km (0.062 R)
• M5: 2,441,886 km (0.105 R)
• M6: 2,966,825 km (0.101 R)
• M7: 3,933,526 km (0.098 R)
• M8: 5,167,709 km (0.089 R)
• M9: 5,591,520 km (0.107 R)
• M10: 6,754,194 km (0.103 R)
• M11: 7,765,027 km (0.043 R)
• M12: 8,259,598 km (0.083 R)
• M13: 9,380,534 km (0.083 R)
• M14: 9,977,729 km (0.073 R)
• M15: 11,802,075 km (0.117 R)
• M16: 12,498,603 km (0.048 R)
• M17: 13,928,908 km (0.031 R)
• M18: 14,475,090 km (0.111 R)
• M19: 15,659,157 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.4

Radius: 11

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.63 AU - 2.79 AU

Year: 2975 Days

Day: 5.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,110,180 km

• M1: 136,882 km (0.103 R)
• M2: 880,383 km (0.081 R)
• M3: 1,250,489 km (0.101 R)
• M4: 1,792,930 km (0.089 R)
• M5: 2,631,875 km (0.109 R)
• M6: 2,985,674 km (0.107 R)
• M7: 3,336,481 km (0.118 R)
• M8: 3,696,264 km (0.037 R)
• M9: 4,347,464 km (0.09 R)
• M10: 4,756,016 km (0.055 R)
• M11: 6,515,885 km (0.076 R)
• M12: 6,880,006 km (0.051 R)
• M13: 7,618,720 km (0.1 R)
• M14: 8,673,984 km (0.092 R)
• M15: 9,536,266 km (0.114 R)
• M16: 10,154,554 km (0.074 R)
• M17: 11,112,279 km (0.079 R)
• M18: 11,879,717 km (0.12 R)
• M19: 13,430,149 km (0.109 R)
• M20: 14,726,115 km (0.118 R)
• M21: 15,111,330 km (0.111 R)
• M22: 16,409,839 km (0.109 R)
• M23: 16,771,866 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.8

Radius: 10.7

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.51 AU - 3.91 AU

Year: 4765 Days

Day: 14.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,110,180 km

• M1: 135,685 km (0.117 R)
• M2: 482,154 km (0.035 R)
• M3: 840,590 km (0.113 R)
• M4: 1,385,875 km (0.11 R)
• M5: 1,913,357 km (0.104 R)
• M6: 2,762,474 km (0.11 R)
• M7: 3,115,525 km (0.094 R)
• M8: 3,868,451 km (0.082 R)
• M9: 4,509,478 km (0.081 R)
• M10: 4,895,441 km (0.101 R)
• M11: 5,472,889 km (0.108 R)
• M12: 6,439,740 km (0.085 R)
• M13: 7,695,464 km (0.112 R)
• M14: 8,286,376 km (0.075 R)
• M15: 10,640,747 km (0.065 R)
• M16: 11,898,566 km (0.062 R)
• M17: 15,272,147 km (0.061 R)
• M18: 18,380,791 km (0.097 R)
• M19: 21,167,949 km (0.101 R)
• M20: 22,774,181 km (0.033 R)
• M21: 27,907,034 km (0.111 R)
• M22: 28,773,206 km (0.116 R)
• M23: 29,124,611 km (0.073 R)
• M24: 30,015,616 km (0.08 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 972.2

Radius: 4

Gravity: 60.76 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 6.11 AU - 8.71 AU

Year: 13451 Days

Day: 17.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 65,110,180 km

• M1: 50,265 km (0.052 R)
• M2: 401,221 km (0.099 R)
• M3: 598,391 km (0.1 R)
• M4: 738,714 km (0.119 R)
• M5: 1,458,878 km (0.069 R)
• M6: 1,600,248 km (0.094 R)
• M7: 2,119,353 km (0.098 R)
• M8: 2,364,245 km (0.059 R)
• M9: 2,604,948 km (0.093 R)
• M10: 3,372,086 km (0.047 R)
• M11: 3,648,692 km (0.055 R)
• M12: 4,122,768 km (0.085 R)
• M13: 4,603,426 km (0.117 R)
• M14: 5,829,530 km (0.096 R)
• M15: 6,309,739 km (0.094 R)
• M16: 7,625,303 km (0.11 R)
• M17: 11,630,038 km (0.087 R)
• M18: 13,383,774 km (0.089 R)
• M19: 13,865,778 km (0.08 R)
• M20: 15,605,900 km (0.113 R)
• M21: 18,820,759 km (0.108 R)
• M22: 18,992,198 km (0.04 R)
• M23: 19,338,068 km (0.056 R)
• M24: 24,735,260 km (0.078 R)
• M25: 25,251,672 km (0.103 R)
• M26: 27,942,040 km (0.078 R)
• M27: 31,175,149 km (0.103 R)
• M28: 35,555,824 km (0.074 R)
• M29: 38,509,484 km (0.087 R)
• M30: 38,924,618 km (0.042 R)
• M31: 41,044,569 km (0.065 R)
• M32: 43,688,562 km (0.119 R)
• M33: 46,132,243 km (0.042 R)
• M34: 48,183,529 km (0.04 R)
• M35: 51,624,280 km (0.117 R)
• M36: 56,997,387 km (0.108 R)
• M37: 58,078,681 km (0.102 R)
• M38: 59,726,052 km (0.046 R)
• M39: 61,970,619 km (0.113 R)
• M40: 62,540,437 km (0.093 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 890

Radius: 7.8

Gravity: 14.63 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 6.66 AU - 8.48 AU

Year: 13889 Days

Day: 18.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,110,180 km

• M1: 146,008 km (0.101 R)
• M2: 394,340 km (0.114 R)
• M3: 657,034 km (0.074 R)
• M4: 1,320,650 km (0.115 R)
• M5: 2,052,632 km (0.083 R)
• M6: 3,664,400 km (0.098 R)
• M7: 4,913,692 km (0.109 R)
• M8: 7,331,941 km (0.078 R)
• M9: 8,030,115 km (0.076 R)
• M10: 8,420,266 km (0.086 R)
• M11: 12,651,043 km (0.094 R)
• M12: 13,517,364 km (0.076 R)
• M13: 18,787,997 km (0.113 R)
• M14: 19,389,081 km (0.063 R)
• M15: 23,960,792 km (0.094 R)
• M16: 26,763,657 km (0.114 R)
• M17: 34,265,243 km (0.102 R)
• M18: 38,493,178 km (0.103 R)
• M19: 39,882,493 km (0.041 R)
• M20: 45,929,239 km (0.091 R)
• M21: 46,238,907 km (0.118 R)
• M22: 62,797,745 km (0.092 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 19,880 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit