🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.1

Radius: 8.6

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.48 AU - 0.68 AU

Year: 300 Days

Day: 6.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,045,722 km

• M1: 107,710 km (0.06 R)
• M2: 271,969 km (0.084 R)
• M3: 479,312 km (0.092 R)
• M4: 730,786 km (0.051 R)
• M5: 968,796 km (0.076 R)
• M6: 1,402,031 km (0.062 R)
• M7: 1,660,836 km (0.07 R)
• M8: 2,056,672 km (0.116 R)
• M9: 2,249,354 km (0.119 R)
• M10: 2,573,083 km (0.101 R)
• M11: 2,746,467 km (0.119 R)
• M12: 2,932,118 km (0.092 R)
• M13: 3,176,262 km (0.108 R)
• M14: 3,410,083 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.5

Radius: 9

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.09 AU - 1.17 AU

Year: 815 Days

Day: 11.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,045,722 km

• M1: 112,946 km (0.08 R)
• M2: 1,386,024 km (0.11 R)
• M3: 1,596,060 km (0.115 R)
• M4: 2,373,969 km (0.033 R)
• M5: 2,678,849 km (0.057 R)
• M6: 3,042,521 km (0.114 R)
• M7: 4,079,534 km (0.068 R)
• M8: 4,265,783 km (0.102 R)
• M9: 4,504,392 km (0.095 R)
• M10: 4,912,794 km (0.085 R)
• M11: 5,365,776 km (0.037 R)
• M12: 6,147,126 km (0.1 R)
• M13: 6,937,452 km (0.102 R)
• M14: 7,211,665 km (0.076 R)
• M15: 7,506,971 km (0.08 R)
• M16: 8,279,793 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.2

Radius: 9.7

Gravity: 7.72 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.12 AU - 1.26 AU

Year: 880 Days

Day: 5.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 163.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,045,722 km

• M1: 121,025 km (0.095 R)
• M2: 341,382 km (0.08 R)
• M3: 680,072 km (0.11 R)
• M4: 946,356 km (0.063 R)
• M5: 1,257,669 km (0.098 R)
• M6: 1,566,140 km (0.074 R)
• M7: 2,055,026 km (0.101 R)
• M8: 2,349,135 km (0.113 R)
• M9: 2,566,351 km (0.107 R)
• M10: 2,783,717 km (0.046 R)
• M11: 3,094,881 km (0.115 R)
• M12: 3,675,021 km (0.096 R)
• M13: 4,057,842 km (0.063 R)
• M14: 4,589,812 km (0.062 R)
• M15: 5,365,627 km (0.084 R)
• M16: 5,799,012 km (0.059 R)
• M17: 6,007,102 km (0.054 R)
• M18: 6,234,192 km (0.105 R)
• M19: 6,748,958 km (0.111 R)
• M20: 7,551,701 km (0.109 R)
• M21: 8,153,084 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.2

Radius: 9

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.21 AU - 1.57 AU

Year: 1112 Days

Day: 10.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 67,045,722 km

• M1: 112,198 km (0.087 R)
• M2: 290,968 km (0.07 R)
• M3: 487,988 km (0.086 R)
• M4: 690,843 km (0.07 R)
• M5: 901,776 km (0.036 R)
• M6: 1,326,185 km (0.078 R)
• M7: 1,505,852 km (0.067 R)
• M8: 1,991,148 km (0.082 R)
• M9: 2,251,448 km (0.111 R)
• M10: 2,854,926 km (0.113 R)
• M11: 3,448,829 km (0.096 R)
• M12: 3,643,307 km (0.088 R)
• M13: 4,035,702 km (0.075 R)
• M14: 4,340,283 km (0.114 R)
• M15: 4,600,434 km (0.092 R)
• M16: 5,099,941 km (0.09 R)
• M17: 5,472,889 km (0.107 R)
• M18: 5,985,860 km (0.059 R)
• M19: 6,242,869 km (0.114 R)
• M20: 7,099,167 km (0.075 R)
• M21: 7,755,453 km (0.097 R)
• M22: 8,103,866 km (0.091 R)
• M23: 8,765,986 km (0.073 R)
• M24: 8,999,210 km (0.109 R)
• M25: 9,354,654 km (0.071 R)
• M26: 10,632,369 km (0.026 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.3

Radius: 8.3

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.08 AU - 1.78 AU

Year: 1160 Days

Day: 11.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,045,722 km

• M1: 107,710 km (0.049 R)
• M2: 300,692 km (0.07 R)
• M3: 484,996 km (0.095 R)
• M4: 701,016 km (0.107 R)
• M5: 1,046,138 km (0.105 R)
• M6: 1,371,812 km (0.058 R)
• M7: 1,714,541 km (0.108 R)
• M8: 2,072,529 km (0.107 R)
• M9: 2,300,815 km (0.107 R)
• M10: 2,686,479 km (0.116 R)
• M11: 3,040,278 km (0.108 R)
• M12: 3,827,761 km (0.106 R)
• M13: 4,115,138 km (0.034 R)
• M14: 4,973,680 km (0.093 R)
• M15: 5,726,307 km (0.104 R)
• M16: 5,915,549 km (0.09 R)
• M17: 6,425,229 km (0.12 R)
• M18: 6,782,319 km (0.051 R)
• M19: 6,972,458 km (0.103 R)
• M20: 7,742,737 km (0.051 R)
• M21: 8,083,072 km (0.085 R)
• M22: 8,413,085 km (0.074 R)
• M23: 8,857,690 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703

Radius: 12.6

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.41 AU - 3.49 AU

Year: 3437 Days

Day: 12.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 67,045,722 km

• M1: 180,864 km (0.099 R)
• M2: 1,725,312 km (0.113 R)
• M3: 2,235,291 km (0.051 R)
• M4: 2,509,803 km (0.096 R)
• M5: 2,754,097 km (0.099 R)
• M6: 3,076,480 km (0.049 R)
• M7: 3,559,382 km (0.088 R)
• M8: 4,156,577 km (0.115 R)
• M9: 5,208,250 km (0.044 R)
• M10: 6,024,306 km (0.091 R)
• M11: 6,651,720 km (0.101 R)
• M12: 7,181,745 km (0.092 R)
• M13: 7,785,971 km (0.097 R)
• M14: 8,111,197 km (0.088 R)
• M15: 9,899,489 km (0.093 R)
• M16: 10,266,453 km (0.104 R)
• M17: 10,861,553 km (0.095 R)
• M18: 11,473,558 km (0.071 R)
• M19: 11,802,524 km (0.082 R)
• M20: 12,576,992 km (0.027 R)
• M21: 12,852,252 km (0.062 R)
• M22: 13,235,672 km (0.089 R)
• M23: 14,603,894 km (0.072 R)
• M24: 16,078,929 km (0.104 R)
• M25: 16,902,764 km (0.115 R)
• M26: 17,463,607 km (0.057 R)
• M27: 18,571,379 km (0.112 R)
• M28: 19,371,428 km (0.091 R)
• M29: 20,188,532 km (0.085 R)
• M30: 21,200,412 km (0.069 R)
• M31: 22,603,789 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.4

Radius: 8.8

Gravity: 12.6 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.43 AU - 3.85 AU

Year: 4710 Days

Day: 11.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 67,045,722 km

• M1: 109,506 km (0.057 R)
• M2: 747,092 km (0.119 R)
• M3: 1,117,346 km (0.116 R)
• M4: 2,094,520 km (0.071 R)
• M5: 2,678,550 km (0.113 R)
• M6: 3,588,554 km (0.093 R)
• M7: 4,186,796 km (0.1 R)
• M8: 4,857,293 km (0.096 R)
• M9: 5,605,432 km (0.092 R)
• M10: 6,845,299 km (0.064 R)
• M11: 7,574,589 km (0.118 R)
• M12: 8,772,419 km (0.032 R)
• M13: 9,111,408 km (0.103 R)
• M14: 9,422,123 km (0.12 R)
• M15: 9,773,528 km (0.106 R)
• M16: 13,729,494 km (0.091 R)
• M17: 15,599,916 km (0.09 R)
• M18: 15,915,867 km (0.06 R)
• M19: 17,448,048 km (0.115 R)
• M20: 17,974,483 km (0.063 R)
• M21: 18,362,391 km (0.114 R)
• M22: 19,702,040 km (0.073 R)
• M23: 20,724,990 km (0.071 R)
• M24: 22,361,890 km (0.047 R)
• M25: 22,686,068 km (0.09 R)
• M26: 22,903,284 km (0.116 R)
• M27: 23,950,021 km (0.078 R)
• M28: 24,173,221 km (0.046 R)
• M29: 25,881,479 km (0.11 R)
• M30: 28,250,062 km (0.106 R)
• M31: 28,614,333 km (0.114 R)
• M32: 29,845,523 km (0.054 R)
• M33: 30,345,330 km (0.116 R)
• M34: 31,293,481 km (0.064 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.5

Radius: 9.4

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 3.71 AU - 5.49 AU

Year: 6692 Days

Day: 7.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,045,722 km

• M1: 116,986 km (0.057 R)
• M2: 558,598 km (0.085 R)
• M3: 934,837 km (0.035 R)
• M4: 1,213,987 km (0.094 R)
• M5: 1,426,117 km (0.087 R)
• M6: 1,784,703 km (0.083 R)
• M7: 1,997,431 km (0.111 R)
• M8: 2,863,752 km (0.103 R)
• M9: 3,496,102 km (0.071 R)
• M10: 3,764,182 km (0.055 R)
• M11: 4,159,868 km (0.09 R)
• M12: 4,382,918 km (0.113 R)
• M13: 8,203,050 km (0.095 R)
• M14: 8,468,436 km (0.052 R)
• M15: 8,862,028 km (0.107 R)
• M16: 9,163,019 km (0.056 R)
• M17: 10,745,017 km (0.111 R)
• M18: 11,555,239 km (0.053 R)
• M19: 12,901,620 km (0.105 R)
• M20: 13,602,785 km (0.037 R)
• M21: 14,418,093 km (0.117 R)
• M22: 14,834,723 km (0.086 R)
• M23: 17,076,597 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 885.9

Radius: 5.4

Gravity: 30.38 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 8.12 AU - 8.92 AU

Year: 16867 Days

Day: 18.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 67,045,722 km

• M1: 67,469 km (0.105 R)
• M2: 185,501 km (0.097 R)
• M3: 307,424 km (0.082 R)
• M4: 483,052 km (0.062 R)
• M5: 706,551 km (0.062 R)
• M6: 961,765 km (0.092 R)
• M7: 1,600,248 km (0.075 R)
• M8: 2,055,624 km (0.075 R)
• M9: 4,325,622 km (0.102 R)
• M10: 4,650,998 km (0.106 R)
• M11: 6,854,874 km (0.074 R)
• M12: 8,021,139 km (0.097 R)
• M13: 8,216,364 km (0.059 R)
• M14: 10,025,152 km (0.042 R)
• M15: 13,171,045 km (0.116 R)
• M16: 13,610,414 km (0.047 R)
• M17: 13,864,731 km (0.059 R)
• M18: 15,711,367 km (0.095 R)
• M19: 16,748,230 km (0.095 R)
• M20: 17,529,878 km (0.084 R)
• M21: 17,673,792 km (0.082 R)
• M22: 19,905,193 km (0.106 R)
• M23: 20,212,617 km (0.1 R)
• M24: 22,107,723 km (0.106 R)
• M25: 23,087,140 km (0.039 R)
• M26: 25,023,984 km (0.043 R)
• M27: 25,890,455 km (0.114 R)
• M28: 26,241,262 km (0.036 R)
• M29: 26,505,900 km (0.11 R)
• M30: 30,729,796 km (0.119 R)
• M31: 31,016,127 km (0.074 R)
• M32: 31,303,803 km (0.107 R)
• M33: 34,354,403 km (0.109 R)
• M34: 34,657,040 km (0.108 R)
• M35: 40,116,315 km (0.111 R)
• M36: 53,232,607 km (0.09 R)
• M37: 53,609,444 km (0.063 R)
• M38: 54,367,157 km (0.114 R)
• M39: 60,352,718 km (0.099 R)
• M40: 64,701,079 km (0.064 R)
• M41: 66,090,993 km (0.066 R)
• M42: 71,798,750 km (0.052 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 438.3

Radius: 3.6

Gravity: 33.82 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 9.15 AU - 10.37 AU

Year: 20681 Days

Day: 21.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 67,045,722 km

• M1: 44,879 km (0.071 R)
• M2: 186,549 km (0.104 R)
• M3: 1,434,045 km (0.081 R)
• M4: 1,846,786 km (0.091 R)
• M5: 2,096,614 km (0.096 R)
• M6: 3,527,817 km (0.098 R)
• M7: 3,904,056 km (0.109 R)
• M8: 4,001,145 km (0.04 R)
• M9: 4,265,933 km (0.115 R)
• M10: 5,335,258 km (0.048 R)
• M11: 5,602,141 km (0.066 R)
• M12: 5,718,528 km (0.099 R)
• M13: 6,442,133 km (0.118 R)
• M14: 7,078,223 km (0.087 R)
• M15: 7,654,025 km (0.042 R)
• M16: 8,346,514 km (0.086 R)
• M17: 8,441,060 km (0.044 R)
• M18: 9,618,096 km (0.119 R)
• M19: 12,318,337 km (0.118 R)
• M20: 12,433,229 km (0.106 R)
• M21: 15,740,090 km (0.091 R)
• M22: 19,150,472 km (0.116 R)
• M23: 21,966,353 km (0.107 R)
• M24: 24,649,989 km (0.104 R)
• M25: 25,139,623 km (0.113 R)
• M26: 26,721,920 km (0.096 R)
• M27: 29,496,362 km (0.111 R)
• M28: 29,763,394 km (0.096 R)
• M29: 30,753,283 km (0.119 R)
• M30: 33,345,964 km (0.106 R)
• M31: 34,010,478 km (0.097 R)
• M32: 36,437,553 km (0.056 R)
• M33: 38,642,776 km (0.116 R)
• M34: 40,391,126 km (0.115 R)
• M35: 42,818,202 km (0.11 R)
• M36: 46,983,605 km (0.108 R)
• M37: 47,208,151 km (0.08 R)
• M38: 47,771,986 km (0.052 R)
• M39: 51,108,168 km (0.099 R)
• M40: 59,120,929 km (0.07 R)
• M41: 60,513,087 km (0.092 R)
• M42: 64,392,459 km (0.103 R)
• M43: 65,050,839 km (0.058 R)
• M44: 65,447,273 km (0.1 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 376 - 16,509 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit