🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.4

Radius: 12

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.65 AU - 0.93 AU

Year: 453 Days

Day: 12 Hours

Environment

Temp: -151 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,596,437 km

• M1: 149,897 km (0.076 R)
• M2: 533,466 km (0.111 R)
• M3: 934,687 km (0.101 R)
• M4: 1,349,971 km (0.097 R)
• M5: 1,811,780 km (0.108 R)
• M6: 2,474,947 km (0.109 R)
• M7: 2,962,187 km (0.115 R)
• M8: 3,538,139 km (0.044 R)
• M9: 3,980,799 km (0.101 R)
• M10: 4,358,534 km (0.116 R)
• M11: 5,057,904 km (0.074 R)
• M12: 5,760,565 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.2

Radius: 13

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.78 AU - 1.84 AU

Year: 1572 Days

Day: 9.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,596,437 km

• M1: 161,715 km (0.057 R)
• M2: 700,118 km (0.082 R)
• M3: 1,176,737 km (0.089 R)
• M4: 1,724,714 km (0.118 R)
• M5: 2,379,504 km (0.062 R)
• M6: 3,770,016 km (0.111 R)
• M7: 4,356,440 km (0.106 R)
• M8: 5,447,606 km (0.079 R)
• M9: 6,789,051 km (0.098 R)
• M10: 7,202,539 km (0.103 R)
• M11: 8,166,548 km (0.088 R)
• M12: 10,115,958 km (0.081 R)
• M13: 11,760,337 km (0.103 R)
• M14: 12,169,637 km (0.084 R)
• M15: 12,665,554 km (0.1 R)
• M16: 13,135,441 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.7

Radius: 14.4

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.55 AU - 2.59 AU

Year: 1923 Days

Day: 5.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 81,596,437 km

• M1: 179,517 km (0.047 R)
• M2: 879,486 km (0.077 R)
• M3: 1,549,385 km (0.063 R)
• M4: 2,155,556 km (0.077 R)
• M5: 2,687,227 km (0.103 R)
• M6: 4,171,537 km (0.099 R)
• M7: 4,627,212 km (0.114 R)
• M8: 5,854,513 km (0.054 R)
• M9: 6,454,101 km (0.057 R)
• M10: 7,039,477 km (0.033 R)
• M11: 7,747,674 km (0.05 R)
• M12: 9,240,810 km (0.055 R)
• M13: 9,847,729 km (0.096 R)
• M14: 10,409,469 km (0.064 R)
• M15: 11,520,532 km (0.062 R)
• M16: 13,123,324 km (0.11 R)
• M17: 14,242,016 km (0.078 R)
• M18: 14,779,372 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.6

Radius: 10.2

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.26 AU - 2.7 AU

Year: 2522 Days

Day: 9.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,596,437 km

• M1: 127,158 km (0.07 R)
• M2: 949,049 km (0.105 R)
• M3: 1,598,154 km (0.101 R)
• M4: 2,111,424 km (0.064 R)
• M5: 2,618,561 km (0.097 R)
• M6: 3,000,484 km (0.034 R)
• M7: 3,436,562 km (0.067 R)
• M8: 3,786,472 km (0.025 R)
• M9: 4,620,629 km (0.066 R)
• M10: 5,004,348 km (0.078 R)
• M11: 5,909,415 km (0.111 R)
• M12: 6,624,044 km (0.036 R)
• M13: 7,030,053 km (0.049 R)
• M14: 7,921,955 km (0.088 R)
• M15: 8,504,789 km (0.069 R)
• M16: 8,984,998 km (0.088 R)
• M17: 10,864,994 km (0.094 R)
• M18: 11,202,038 km (0.049 R)
• M19: 12,785,681 km (0.118 R)
• M20: 13,674,442 km (0.118 R)
• M21: 14,112,016 km (0.072 R)
• M22: 15,433,713 km (0.08 R)
• M23: 16,100,471 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.2

Radius: 8.9

Gravity: 10.05 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.02 AU - 5.28 AU

Year: 6474 Days

Day: 7.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,596,437 km

• M1: 110,702 km (0.052 R)
• M2: 586,424 km (0.082 R)
• M3: 1,354,609 km (0.119 R)
• M4: 2,015,532 km (0.111 R)
• M5: 2,956,952 km (0.09 R)
• M6: 3,723,641 km (0.097 R)
• M7: 9,830,974 km (0.048 R)
• M8: 10,824,453 km (0.114 R)
• M9: 13,914,696 km (0.038 R)
• M10: 14,441,730 km (0.048 R)
• M11: 15,349,789 km (0.089 R)
• M12: 15,660,803 km (0.035 R)
• M13: 15,976,005 km (0.095 R)
• M14: 16,295,397 km (0.088 R)
• M15: 18,935,350 km (0.076 R)
• M16: 19,437,551 km (0.114 R)
• M17: 19,948,726 km (0.094 R)
• M18: 24,619,471 km (0.034 R)
• M19: 27,617,413 km (0.101 R)
• M20: 29,394,486 km (0.115 R)
• M21: 30,653,501 km (0.061 R)

Asteroid Belt

Center: 6.53 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 723.5

Radius: 5.6

Gravity: 23.07 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 6.69 AU - 10.11 AU

Year: 15719 Days

Day: 16.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 81,596,437 km

• M1: 75,996 km (0.098 R)
• M2: 507,735 km (0.118 R)
• M3: 743,352 km (0.108 R)
• M4: 1,003,951 km (0.104 R)
• M5: 1,241,812 km (0.086 R)
• M6: 1,548,039 km (0.079 R)
• M7: 2,525,960 km (0.109 R)
• M8: 2,706,674 km (0.059 R)
• M9: 3,019,035 km (0.095 R)
• M10: 3,773,457 km (0.115 R)
• M11: 5,647,170 km (0.079 R)
• M12: 6,320,510 km (0.119 R)
• M13: 7,825,614 km (0.09 R)
• M14: 8,211,726 km (0.111 R)
• M15: 9,074,308 km (0.071 R)
• M16: 10,164,727 km (0.094 R)
• M17: 10,800,218 km (0.112 R)
• M18: 12,086,610 km (0.068 R)
• M19: 16,397,423 km (0.118 R)
• M20: 19,195,501 km (0.118 R)
• M21: 20,707,038 km (0.108 R)
• M22: 23,169,718 km (0.106 R)
• M23: 25,715,425 km (0.116 R)
• M24: 28,216,702 km (0.113 R)
• M25: 28,667,590 km (0.109 R)
• M26: 29,353,047 km (0.097 R)
• M27: 30,519,462 km (0.068 R)
• M28: 33,949,741 km (0.116 R)
• M29: 36,020,774 km (0.03 R)
• M30: 36,684,988 km (0.083 R)
• M31: 39,143,330 km (0.107 R)
• M32: 48,610,781 km (0.043 R)
• M33: 53,267,763 km (0.093 R)
• M34: 55,351,362 km (0.107 R)
• M35: 55,527,438 km (0.066 R)
• M36: 57,308,700 km (0.115 R)
• M37: 58,577,889 km (0.048 R)
• M38: 60,051,278 km (0.095 R)
• M39: 63,456,425 km (0.102 R)
• M40: 64,814,624 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 160.5

Radius: 6.5

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 8.77 AU - 11.11 AU

Year: 20235 Days

Day: 17.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 158.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 81,596,437 km

• M1: 82,877 km (0.117 R)
• M2: 304,581 km (0.086 R)
• M3: 576,550 km (0.094 R)
• M4: 1,009,786 km (0.095 R)
• M5: 1,267,992 km (0.103 R)
• M6: 1,685,968 km (0.111 R)
• M7: 2,052,632 km (0.109 R)
• M8: 2,282,714 km (0.072 R)
• M9: 2,690,966 km (0.083 R)
• M10: 3,309,703 km (0.117 R)
• M11: 3,938,762 km (0.079 R)
• M12: 4,825,878 km (0.113 R)
• M13: 6,158,795 km (0.1 R)
• M14: 6,754,942 km (0.067 R)
• M15: 7,186,682 km (0.116 R)
• M16: 10,021,861 km (0.109 R)
• M17: 11,658,012 km (0.102 R)
• M18: 14,466,413 km (0.034 R)
• M19: 14,724,470 km (0.107 R)
• M20: 16,198,906 km (0.095 R)
• M21: 18,289,387 km (0.076 R)
• M22: 19,990,614 km (0.106 R)
• M23: 27,853,179 km (0.108 R)
• M24: 30,308,379 km (0.118 R)
• M25: 30,731,143 km (0.053 R)
• M26: 32,461,691 km (0.075 R)
• M27: 41,574,146 km (0.079 R)
• M28: 42,096,093 km (0.111 R)
• M29: 46,011,518 km (0.038 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 786.7

Radius: 6.3

Gravity: 19.82 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 7.99 AU - 12.21 AU

Year: 20725 Days

Day: 19.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 81,596,437 km

• M1: 78,988 km (0.029 R)
• M2: 515,215 km (0.11 R)
• M3: 1,163,572 km (0.103 R)
• M4: 1,700,778 km (0.093 R)
• M5: 1,985,313 km (0.081 R)
• M6: 2,213,899 km (0.07 R)
• M7: 3,143,051 km (0.11 R)
• M8: 4,075,046 km (0.095 R)
• M9: 5,026,339 km (0.108 R)
• M10: 5,413,797 km (0.112 R)
• M11: 5,820,853 km (0.088 R)
• M12: 9,206,702 km (0.048 R)
• M13: 9,727,751 km (0.092 R)
• M14: 10,268,099 km (0.07 R)
• M15: 10,576,869 km (0.068 R)
• M16: 14,471,051 km (0.103 R)
• M17: 16,991,326 km (0.12 R)
• M18: 18,855,764 km (0.082 R)
• M19: 28,038,979 km (0.043 R)
• M20: 29,750,529 km (0.059 R)
• M21: 30,000,507 km (0.09 R)
• M22: 31,400,892 km (0.074 R)
• M23: 42,603,080 km (0.117 R)
• M24: 43,400,437 km (0.094 R)
• M25: 45,354,484 km (0.11 R)
• M26: 51,029,330 km (0.043 R)
• M27: 51,747,699 km (0.09 R)
• M28: 58,716,267 km (0.067 R)
• M29: 63,348,714 km (0.105 R)
• M30: 64,805,498 km (0.089 R)
• M31: 67,139,824 km (0.061 R)
• M32: 77,273,284 km (0.106 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 13,282 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit