🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.5

Radius: 8.3

Gravity: 9.07 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.69 AU - 0.81 AU

Year: 457 Days

Day: 9.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,540,583 km

• M1: 103,223 km (0.033 R)
• M2: 413,339 km (0.055 R)
• M3: 701,165 km (0.061 R)
• M4: 1,295,368 km (0.089 R)
• M5: 1,589,926 km (0.109 R)
• M6: 2,289,895 km (0.074 R)
• M7: 2,745,869 km (0.07 R)
• M8: 3,056,733 km (0.112 R)
• M9: 3,673,376 km (0.061 R)
• M10: 4,750,480 km (0.119 R)
• M11: 5,510,438 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.7

Radius: 13.5

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.39 AU - 1.75 AU

Year: 1383 Days

Day: 8.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,540,583 km

• M1: 167,849 km (0.09 R)
• M2: 635,193 km (0.107 R)
• M3: 1,072,318 km (0.074 R)
• M4: 1,574,218 km (0.091 R)
• M5: 2,110,527 km (0.042 R)
• M6: 2,675,708 km (0.113 R)
• M7: 3,689,233 km (0.089 R)
• M8: 4,785,785 km (0.096 R)
• M9: 6,347,587 km (0.066 R)
• M10: 7,193,713 km (0.093 R)
• M11: 7,945,891 km (0.119 R)
• M12: 8,427,746 km (0.061 R)
• M13: 9,049,923 km (0.079 R)
• M14: 9,607,474 km (0.094 R)
• M15: 10,655,408 km (0.111 R)
• M16: 11,348,195 km (0.081 R)
• M17: 11,923,848 km (0.12 R)
• M18: 12,747,235 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.3

Radius: 9.8

Gravity: 10.3 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.5 AU - 2.46 AU

Year: 1958 Days

Day: 6.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,540,583 km

• M1: 121,922 km (0.11 R)
• M2: 429,944 km (0.089 R)
• M3: 1,079,049 km (0.03 R)
• M4: 1,505,403 km (0.077 R)
• M5: 1,854,116 km (0.113 R)
• M6: 2,257,133 km (0.09 R)
• M7: 3,718,405 km (0.12 R)
• M8: 4,241,548 km (0.084 R)
• M9: 4,703,656 km (0.069 R)
• M10: 5,129,412 km (0.059 R)
• M11: 7,124,599 km (0.068 R)
• M12: 9,519,661 km (0.12 R)
• M13: 10,129,272 km (0.055 R)
• M14: 11,307,654 km (0.05 R)
• M15: 12,197,762 km (0.094 R)
• M16: 12,873,944 km (0.112 R)
• M17: 14,071,475 km (0.064 R)
• M18: 14,815,425 km (0.05 R)
• M19: 15,732,460 km (0.085 R)
• M20: 17,732,883 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.5

Radius: 11.4

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.51 AU - 3.31 AU

Year: 3489 Days

Day: 10.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,540,583 km

• M1: 144,960 km (0.066 R)
• M2: 1,678,339 km (0.118 R)
• M3: 2,196,396 km (0.09 R)
• M4: 4,181,111 km (0.112 R)
• M5: 4,782,794 km (0.1 R)
• M6: 6,909,626 km (0.098 R)
• M7: 8,316,894 km (0.074 R)
• M8: 9,343,584 km (0.082 R)
• M9: 9,830,375 km (0.101 R)
• M10: 10,492,495 km (0.109 R)
• M11: 11,267,412 km (0.099 R)
• M12: 13,348,618 km (0.078 R)
• M13: 15,778,835 km (0.079 R)
• M14: 16,362,566 km (0.102 R)
• M15: 16,905,607 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.3

Radius: 9.2

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 4.33 AU - 6.33 AU

Year: 8650 Days

Day: 13.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 71,540,583 km

• M1: 114,442 km (0.03 R)
• M2: 472,879 km (0.12 R)
• M3: 820,544 km (0.053 R)
• M4: 1,166,863 km (0.085 R)
• M5: 1,559,558 km (0.032 R)
• M6: 2,039,468 km (0.116 R)
• M7: 3,105,053 km (0.071 R)
• M8: 4,242,446 km (0.065 R)
• M9: 4,807,178 km (0.096 R)
• M10: 6,663,837 km (0.116 R)
• M11: 7,203,437 km (0.091 R)
• M12: 7,967,732 km (0.098 R)
• M13: 11,985,333 km (0.114 R)
• M14: 12,353,493 km (0.09 R)
• M15: 14,075,664 km (0.091 R)
• M16: 15,889,388 km (0.116 R)
• M17: 17,115,492 km (0.074 R)
• M18: 18,058,557 km (0.083 R)
• M19: 26,265,197 km (0.071 R)
• M20: 28,905,749 km (0.088 R)
• M21: 29,855,845 km (0.115 R)
• M22: 34,496,222 km (0.116 R)
• M23: 36,435,758 km (0.101 R)
• M24: 37,098,178 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 997.6

Radius: 5.7

Gravity: 30.7 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 6.58 AU - 8.04 AU

Year: 13893 Days

Day: 17.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 71,540,583 km

• M1: 71,957 km (0.041 R)
• M2: 260,300 km (0.109 R)
• M3: 564,283 km (0.089 R)
• M4: 820,245 km (0.064 R)
• M5: 1,178,233 km (0.105 R)
• M6: 1,602,492 km (0.105 R)
• M7: 1,823,448 km (0.103 R)
• M8: 2,390,574 km (0.057 R)
• M9: 3,521,683 km (0.054 R)
• M10: 3,927,243 km (0.085 R)
• M11: 5,149,308 km (0.07 R)
• M12: 5,749,046 km (0.106 R)
• M13: 6,953,309 km (0.082 R)
• M14: 7,780,136 km (0.106 R)
• M15: 8,069,908 km (0.099 R)
• M16: 8,619,530 km (0.062 R)
• M17: 8,929,796 km (0.066 R)
• M18: 19,234,845 km (0.053 R)
• M19: 28,922,804 km (0.066 R)
• M20: 30,562,247 km (0.057 R)
• M21: 31,648,178 km (0.059 R)
• M22: 31,892,920 km (0.082 R)
• M23: 34,024,839 km (0.05 R)
• M24: 37,603,220 km (0.041 R)
• M25: 38,570,221 km (0.116 R)
• M26: 39,980,330 km (0.096 R)
• M27: 47,709,603 km (0.075 R)
• M28: 56,557,121 km (0.093 R)
• M29: 62,319,331 km (0.087 R)
• M30: 63,283,938 km (0.074 R)
• M31: 63,672,444 km (0.051 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 154.7

Radius: 3.4

Gravity: 13.38 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 5.88 AU - 9.52 AU

Year: 15019 Days

Day: 15.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 71,540,583 km

• M1: 42,336 km (0.031 R)
• M2: 317,147 km (0.062 R)
• M3: 507,586 km (0.094 R)
• M4: 668,852 km (0.112 R)
• M5: 890,706 km (0.066 R)
• M6: 1,626,278 km (0.113 R)
• M7: 2,241,574 km (0.1 R)
• M8: 2,658,504 km (0.106 R)
• M9: 6,266,655 km (0.101 R)
• M10: 6,902,745 km (0.105 R)
• M11: 10,399,146 km (0.115 R)
• M12: 11,086,100 km (0.074 R)
• M13: 12,768,926 km (0.106 R)
• M14: 16,499,598 km (0.065 R)
• M15: 18,611,022 km (0.109 R)
• M16: 19,256,238 km (0.063 R)
• M17: 20,139,613 km (0.09 R)
• M18: 20,289,361 km (0.09 R)
• M19: 22,869,475 km (0.029 R)
• M20: 26,818,859 km (0.084 R)
• M21: 27,457,044 km (0.082 R)
• M22: 29,240,400 km (0.083 R)
• M23: 35,813,431 km (0.108 R)
• M24: 36,810,052 km (0.112 R)
• M25: 37,371,642 km (0.074 R)
• M26: 37,484,738 km (0.053 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 718.1

Radius: 7.9

Gravity: 11.51 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 7.33 AU - 8.83 AU

Year: 16145 Days

Day: 18.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 71,540,583 km

• M1: 98,735 km (0.042 R)
• M2: 515,065 km (0.101 R)
• M3: 977,772 km (0.089 R)
• M4: 1,959,583 km (0.115 R)
• M5: 3,460,199 km (0.085 R)
• M6: 3,946,541 km (0.087 R)
• M7: 4,445,301 km (0.116 R)
• M8: 8,362,371 km (0.06 R)
• M9: 9,506,795 km (0.114 R)
• M10: 12,620,974 km (0.052 R)
• M11: 14,479,279 km (0.118 R)
• M12: 15,662,747 km (0.085 R)
• M13: 16,045,568 km (0.108 R)
• M14: 17,639,085 km (0.114 R)
• M15: 20,494,759 km (0.119 R)
• M16: 20,768,822 km (0.114 R)
• M17: 22,079,748 km (0.103 R)
• M18: 23,246,761 km (0.092 R)
• M19: 24,659,563 km (0.066 R)
• M20: 28,214,458 km (0.115 R)
• M21: 28,781,284 km (0.03 R)
• M22: 32,219,791 km (0.065 R)
• M23: 36,188,024 km (0.098 R)
• M24: 37,670,988 km (0.107 R)
• M25: 44,312,834 km (0.116 R)
• M26: 47,908,868 km (0.102 R)
• M27: 58,561,732 km (0.104 R)
• M28: 60,979,383 km (0.11 R)
• M29: 61,736,498 km (0.113 R)
• M30: 66,610,696 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 39.2

Radius: 7.4

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 7.41 AU - 8.95 AU

Year: 16445 Days

Day: 21.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 71,540,583 km

• M1: 94,546 km (0.034 R)
• M2: 442,062 km (0.074 R)
• M3: 6,626,886 km (0.049 R)
• M4: 7,005,070 km (0.086 R)
• M5: 8,406,503 km (0.074 R)
• M6: 13,172,093 km (0.095 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 590

Radius: 7.3

Gravity: 11.07 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 9.04 AU - 9.38 AU

Year: 19647 Days

Day: 21.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 71,540,583 km

• M1: 90,806 km (0.067 R)
• M2: 351,705 km (0.084 R)
• M3: 604,375 km (0.082 R)
• M4: 841,189 km (0.064 R)
• M5: 2,302,760 km (0.047 R)
• M6: 2,729,114 km (0.101 R)
• M7: 3,424,295 km (0.03 R)
• M8: 3,680,706 km (0.081 R)
• M9: 6,260,521 km (0.094 R)
• M10: 7,000,133 km (0.067 R)
• M11: 7,461,643 km (0.034 R)
• M12: 7,943,348 km (0.097 R)
• M13: 9,238,117 km (0.036 R)
• M14: 10,312,080 km (0.091 R)
• M15: 10,970,610 km (0.119 R)
• M16: 12,305,472 km (0.067 R)
• M17: 12,841,182 km (0.06 R)
• M18: 14,914,758 km (0.113 R)
• M19: 18,041,802 km (0.108 R)
• M20: 19,174,258 km (0.084 R)
• M21: 19,985,677 km (0.071 R)
• M22: 20,446,139 km (0.069 R)
• M23: 20,913,633 km (0.109 R)
• M24: 22,162,775 km (0.061 R)
• M25: 25,233,720 km (0.115 R)
• M26: 27,885,941 km (0.063 R)
• M27: 28,230,016 km (0.07 R)
• M28: 30,354,455 km (0.08 R)
• M29: 32,456,455 km (0.099 R)
• M30: 35,991,453 km (0.108 R)
• M31: 41,240,842 km (0.117 R)
• M32: 49,952,973 km (0.117 R)
• M33: 57,007,560 km (0.084 R)
• M34: 70,262,230 km (0.1 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 473 - 10,907 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit