🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.3

Radius: 12.7

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.02 AU - 1.28 AU

Year: 784 Days

Day: 11 Hours

Environment

Temp: -168 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,788,276 km

• M1: 161,715 km (0.085 R)
• M2: 424,260 km (0.105 R)
• M3: 672,293 km (0.065 R)
• M4: 943,364 km (0.092 R)
• M5: 2,083,599 km (0.085 R)
• M6: 2,464,924 km (0.092 R)
• M7: 3,176,860 km (0.099 R)
• M8: 3,715,712 km (0.117 R)
• M9: 3,995,909 km (0.05 R)
• M10: 4,490,629 km (0.096 R)
• M11: 5,900,439 km (0.082 R)
• M12: 6,183,329 km (0.086 R)
• M13: 6,443,629 km (0.035 R)
• M14: 6,844,551 km (0.076 R)
• M15: 7,351,389 km (0.083 R)
• M16: 8,420,565 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.2

Radius: 8.2

Gravity: 10.32 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.25 AU - 1.49 AU

Year: 1020 Days

Day: 14.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 132.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,788,276 km

• M1: 102,175 km (0.082 R)
• M2: 256,860 km (0.117 R)
• M3: 413,339 km (0.084 R)
• M4: 860,487 km (0.033 R)
• M5: 1,051,075 km (0.105 R)
• M6: 1,290,730 km (0.086 R)
• M7: 1,473,090 km (0.107 R)
• M8: 1,700,928 km (0.096 R)
• M9: 1,920,089 km (0.083 R)
• M10: 2,227,961 km (0.091 R)
• M11: 2,539,573 km (0.061 R)
• M12: 2,959,195 km (0.077 R)
• M13: 4,231,974 km (0.092 R)
• M14: 5,013,174 km (0.067 R)
• M15: 5,273,923 km (0.106 R)
• M16: 5,738,724 km (0.111 R)
• M17: 6,080,705 km (0.098 R)
• M18: 6,579,763 km (0.106 R)
• M19: 6,962,883 km (0.093 R)
• M20: 7,869,746 km (0.025 R)
• M21: 8,050,609 km (0.081 R)
• M22: 8,852,005 km (0.101 R)
• M23: 9,024,641 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.3

Radius: 14.8

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.76 AU - 1.9 AU

Year: 1574 Days

Day: 10.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 101.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,788,276 km

• M1: 184,305 km (0.096 R)
• M2: 517,758 km (0.098 R)
• M3: 871,707 km (0.083 R)
• M4: 1,403,527 km (0.089 R)
• M5: 2,241,574 km (0.066 R)
• M6: 2,818,424 km (0.063 R)
• M7: 3,968,233 km (0.076 R)
• M8: 5,855,709 km (0.112 R)
• M9: 6,236,286 km (0.086 R)
• M10: 6,789,799 km (0.109 R)
• M11: 9,104,676 km (0.062 R)
• M12: 9,436,334 km (0.097 R)
• M13: 9,896,049 km (0.075 R)
• M14: 10,242,069 km (0.108 R)
• M15: 11,873,733 km (0.047 R)
• M16: 13,086,074 km (0.105 R)
• M17: 14,122,488 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424

Radius: 10.4

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.83 AU - 1.97 AU

Year: 1665 Days

Day: 13.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,788,276 km

• M1: 129,851 km (0.095 R)
• M2: 329,863 km (0.076 R)
• M3: 552,615 km (0.049 R)
• M4: 787,932 km (0.104 R)
• M5: 1,034,469 km (0.11 R)
• M6: 1,230,442 km (0.104 R)
• M7: 1,840,652 km (0.071 R)
• M8: 2,096,764 km (0.073 R)
• M9: 2,328,940 km (0.11 R)
• M10: 2,752,152 km (0.083 R)
• M11: 2,959,943 km (0.105 R)
• M12: 3,399,612 km (0.06 R)
• M13: 4,475,370 km (0.051 R)
• M14: 5,000,758 km (0.061 R)
• M15: 5,346,478 km (0.101 R)
• M16: 6,005,158 km (0.087 R)
• M17: 6,667,128 km (0.103 R)
• M18: 7,085,105 km (0.079 R)
• M19: 7,881,564 km (0.055 R)
• M20: 9,052,466 km (0.104 R)
• M21: 9,347,473 km (0.079 R)
• M22: 10,439,987 km (0.119 R)
• M23: 10,711,357 km (0.042 R)
• M24: 11,358,069 km (0.055 R)
• M25: 12,339,730 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.4

Radius: 15

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.59 AU - 2.61 AU

Year: 1935 Days

Day: 6.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 49,788,276 km

• M1: 213,476 km (0.119 R)
• M2: 557,102 km (0.091 R)
• M3: 948,750 km (0.073 R)
• M4: 1,443,769 km (0.114 R)
• M5: 2,276,431 km (0.1 R)
• M6: 2,765,317 km (0.039 R)
• M7: 3,305,365 km (0.115 R)
• M8: 3,714,066 km (0.115 R)
• M9: 4,276,405 km (0.119 R)
• M10: 5,360,391 km (0.074 R)
• M11: 5,768,943 km (0.1 R)
• M12: 6,941,341 km (0.038 R)
• M13: 7,580,124 km (0.106 R)
• M14: 8,044,625 km (0.082 R)
• M15: 8,407,999 km (0.102 R)
• M16: 9,993,437 km (0.075 R)
• M17: 10,553,083 km (0.109 R)
• M18: 11,154,616 km (0.064 R)
• M19: 12,718,661 km (0.066 R)
• M20: 13,466,651 km (0.09 R)
• M21: 13,937,734 km (0.104 R)
• M22: 14,598,957 km (0.094 R)
• M23: 15,682,794 km (0.065 R)
• M24: 15,999,642 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.8

Radius: 12.2

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.17 AU - 2.23 AU

Year: 2075 Days

Day: 10.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,788,276 km

• M1: 983,008 km (0.111 R)
• M2: 2,174,106 km (0.065 R)
• M3: 2,413,612 km (0.088 R)
• M4: 2,842,360 km (0.105 R)
• M5: 3,462,443 km (0.115 R)
• M6: 5,689,805 km (0.087 R)
• M7: 6,350,280 km (0.078 R)
• M8: 6,664,585 km (0.107 R)
• M9: 7,547,661 km (0.096 R)
• M10: 8,486,986 km (0.084 R)
• M11: 8,873,846 km (0.042 R)
• M12: 10,160,837 km (0.046 R)
• M13: 10,939,793 km (0.106 R)
• M14: 13,593,809 km (0.112 R)
• M15: 13,881,037 km (0.05 R)
• M16: 14,790,592 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.6

Radius: 12.9

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.84 AU - 2.74 AU

Year: 2203 Days

Day: 9.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,788,276 km

• M1: 176,825 km (0.083 R)
• M2: 515,963 km (0.067 R)
• M3: 1,132,755 km (0.048 R)
• M4: 1,759,570 km (0.104 R)
• M5: 2,017,776 km (0.041 R)
• M6: 2,511,150 km (0.111 R)
• M7: 2,886,641 km (0.09 R)
• M8: 3,562,374 km (0.048 R)
• M9: 4,101,824 km (0.032 R)
• M10: 4,906,661 km (0.067 R)
• M11: 5,879,795 km (0.1 R)
• M12: 6,133,214 km (0.112 R)
• M13: 6,960,789 km (0.088 R)
• M14: 7,625,602 km (0.113 R)
• M15: 8,042,980 km (0.078 R)
• M16: 9,224,803 km (0.053 R)
• M17: 9,969,352 km (0.098 R)
• M18: 10,447,018 km (0.09 R)
• M19: 10,828,642 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.6

Radius: 13.4

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.47 AU - 4.05 AU

Year: 3742 Days

Day: 11.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 49,788,276 km

• M1: 176,825 km (0.064 R)
• M2: 720,314 km (0.108 R)
• M3: 987,645 km (0.058 R)
• M4: 1,533,827 km (0.05 R)
• M5: 2,906,387 km (0.052 R)
• M6: 3,636,425 km (0.112 R)
• M7: 5,355,005 km (0.111 R)
• M8: 5,706,710 km (0.102 R)
• M9: 6,597,715 km (0.039 R)
• M10: 6,883,148 km (0.029 R)
• M11: 7,472,713 km (0.07 R)
• M12: 9,513,677 km (0.059 R)
• M13: 9,794,322 km (0.073 R)
• M14: 10,530,344 km (0.102 R)
• M15: 10,958,343 km (0.118 R)
• M16: 11,226,123 km (0.08 R)
• M17: 11,909,636 km (0.098 R)
• M18: 12,471,376 km (0.076 R)
• M19: 12,973,427 km (0.105 R)
• M20: 15,200,191 km (0.102 R)
• M21: 16,157,019 km (0.097 R)
• M22: 16,441,554 km (0.103 R)
• M23: 16,811,210 km (0.039 R)
• M24: 18,417,742 km (0.11 R)
• M25: 19,917,760 km (0.106 R)
• M26: 22,231,440 km (0.105 R)
• M27: 22,902,237 km (0.112 R)
• M28: 23,485,071 km (0.102 R)
• M29: 24,075,384 km (0.115 R)
• M30: 24,673,177 km (0.091 R)
• M31: 25,227,437 km (0.065 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.4

Radius: 9.8

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 3.01 AU - 4.47 AU

Year: 4599 Days

Day: 6 Hours

Environment

Temp: -200 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 49,788,276 km

• M1: 129,253 km (0.055 R)
• M2: 530,324 km (0.107 R)
• M3: 879,635 km (0.115 R)
• M4: 1,084,734 km (0.067 R)
• M5: 1,617,003 km (0.11 R)
• M6: 2,135,510 km (0.093 R)
• M7: 2,963,534 km (0.118 R)
• M8: 4,567,223 km (0.108 R)
• M9: 5,363,981 km (0.067 R)
• M10: 6,889,880 km (0.109 R)
• M11: 7,315,336 km (0.094 R)
• M12: 8,348,608 km (0.118 R)
• M13: 8,846,620 km (0.069 R)
• M14: 10,590,781 km (0.069 R)
• M15: 10,852,877 km (0.079 R)
• M16: 11,692,869 km (0.116 R)
• M17: 13,321,242 km (0.056 R)
• M18: 14,402,834 km (0.095 R)
• M19: 14,670,315 km (0.104 R)
• M20: 15,173,712 km (0.098 R)
• M21: 16,652,936 km (0.086 R)
• M22: 17,355,896 km (0.088 R)
• M23: 20,314,044 km (0.064 R)
• M24: 21,787,135 km (0.104 R)
• M25: 23,995,498 km (0.08 R)
• M26: 24,788,816 km (0.107 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 498.3

Radius: 3.5

Gravity: 40.68 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 6.53 AU - 7.97 AU

Year: 12412 Days

Day: 21.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 49,788,276 km

• M1: 46,675 km (0.109 R)
• M2: 216,618 km (0.071 R)
• M3: 346,169 km (0.11 R)
• M4: 420,071 km (0.078 R)
• M5: 531,072 km (0.092 R)
• M6: 613,052 km (0.085 R)
• M7: 678,726 km (0.108 R)
• M8: 897,138 km (0.099 R)
• M9: 1,566,888 km (0.094 R)
• M10: 2,561,864 km (0.087 R)
• M11: 3,053,891 km (0.119 R)
• M12: 3,202,591 km (0.095 R)
• M13: 3,616,379 km (0.09 R)
• M14: 4,027,474 km (0.079 R)
• M15: 4,461,009 km (0.083 R)
• M16: 4,671,044 km (0.087 R)
• M17: 4,948,099 km (0.075 R)
• M18: 5,169,205 km (0.048 R)
• M19: 6,418,945 km (0.055 R)
• M20: 9,155,988 km (0.09 R)
• M21: 11,172,867 km (0.075 R)
• M22: 13,754,477 km (0.071 R)
• M23: 14,228,553 km (0.073 R)
• M24: 17,184,008 km (0.089 R)
• M25: 17,654,344 km (0.072 R)
• M26: 19,912,823 km (0.102 R)
• M27: 20,738,603 km (0.102 R)
• M28: 20,996,061 km (0.104 R)
• M29: 21,843,832 km (0.065 R)
• M30: 22,041,900 km (0.112 R)
• M31: 22,374,007 km (0.081 R)
• M32: 22,507,448 km (0.107 R)
• M33: 23,113,170 km (0.091 R)
• M34: 24,767,872 km (0.111 R)
• M35: 31,010,741 km (0.109 R)
• M36: 35,310,782 km (0.039 R)
• M37: 36,578,475 km (0.042 R)
• M38: 44,279,025 km (0.096 R)
• M39: 44,372,823 km (0.117 R)
• M40: 44,560,867 km (0.079 R)
• M41: 46,271,070 km (0.118 R)
• M42: 49,490,267 km (0.068 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 297 - 12,262 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit