🌌 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: 107.6

Radius: 9.5

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.52 AU - 0.64 AU

Year: 295 Days

Day: 11 Hours

Environment

Temp: -138 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 75,200,202 km

• M1: 118,182 km (0.1 R)
• M2: 457,919 km (0.099 R)
• M3: 951,592 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.9

Radius: 8.8

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.67 AU - 0.79 AU

Year: 416 Days

Day: 8.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,200,202 km

• M1: 109,506 km (0.062 R)
• M2: 394,190 km (0.083 R)
• M3: 710,440 km (0.115 R)
• M4: 1,025,942 km (0.105 R)
• M5: 1,315,264 km (0.12 R)
• M6: 1,809,685 km (0.11 R)
• M7: 2,088,685 km (0.086 R)
• M8: 2,469,113 km (0.053 R)
• M9: 2,774,442 km (0.085 R)
• M10: 3,246,872 km (0.089 R)
• M11: 3,971,973 km (0.053 R)
• M12: 4,352,700 km (0.12 R)
• M13: 4,772,172 km (0.092 R)
• M14: 5,141,978 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.7

Radius: 14.9

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.69 AU - 0.83 AU

Year: 442 Days

Day: 14.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 75,200,202 km

• M1: 185,651 km (0.078 R)
• M2: 765,492 km (0.043 R)
• M3: 1,609,972 km (0.11 R)
• M4: 2,126,384 km (0.071 R)
• M5: 2,920,001 km (0.101 R)
• M6: 3,970,028 km (0.095 R)
• M7: 5,227,548 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.7

Radius: 14.5

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.13 AU - 1.27 AU

Year: 877 Days

Day: 9.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,200,202 km

• M1: 180,265 km (0.113 R)
• M2: 646,712 km (0.032 R)
• M3: 1,113,008 km (0.1 R)
• M4: 1,772,136 km (0.043 R)
• M5: 2,543,164 km (0.077 R)
• M6: 3,342,166 km (0.088 R)
• M7: 3,879,671 km (0.085 R)
• M8: 8,745,940 km (0.069 R)
• M9: 10,257,776 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.9

Radius: 14.4

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.88 AU - 2.66 AU

Year: 2281 Days

Day: 14 Hours

Environment

Temp: -201 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,200,202 km

• M1: 180,714 km (0.108 R)
• M2: 644,617 km (0.087 R)
• M3: 1,220,120 km (0.078 R)
• M4: 1,728,304 km (0.095 R)
• M5: 2,578,020 km (0.077 R)
• M6: 3,042,073 km (0.087 R)
• M7: 3,526,022 km (0.119 R)
• M8: 4,349,708 km (0.108 R)
• M9: 5,745,456 km (0.026 R)
• M10: 6,975,300 km (0.085 R)
• M11: 8,016,052 km (0.106 R)
• M12: 8,540,542 km (0.106 R)
• M13: 10,793,486 km (0.119 R)
• M14: 13,013,519 km (0.11 R)
• M15: 13,972,292 km (0.032 R)
• M16: 14,589,084 km (0.057 R)
• M17: 15,573,438 km (0.101 R)
• M18: 16,185,143 km (0.052 R)
• M19: 18,228,351 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464

Radius: 14.9

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.94 AU - 3.1 AU

Year: 3500 Days

Day: 13.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 75,200,202 km

• M1: 185,352 km (0.032 R)
• M2: 685,457 km (0.105 R)
• M3: 1,168,210 km (0.107 R)
• M4: 1,666,221 km (0.066 R)
• M5: 2,350,332 km (0.106 R)
• M6: 3,358,323 km (0.068 R)
• M7: 4,333,551 km (0.109 R)
• M8: 5,195,684 km (0.102 R)
• M9: 6,169,566 km (0.116 R)
• M10: 9,905,324 km (0.044 R)
• M11: 10,596,616 km (0.084 R)
• M12: 11,156,411 km (0.03 R)
• M13: 12,075,989 km (0.084 R)
• M14: 12,776,107 km (0.119 R)
• M15: 13,782,901 km (0.038 R)
• M16: 18,006,797 km (0.041 R)
• M17: 18,747,755 km (0.1 R)
• M18: 19,867,046 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.9

Radius: 13.4

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 4.16 AU - 4.46 AU

Year: 5967 Days

Day: 13.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 75,200,202 km

• M1: 166,652 km (0.047 R)
• M2: 836,402 km (0.102 R)
• M3: 1,366,427 km (0.109 R)
• M4: 2,513,992 km (0.093 R)
• M5: 2,956,353 km (0.112 R)
• M6: 3,676,517 km (0.056 R)
• M7: 4,367,809 km (0.075 R)
• M8: 5,144,372 km (0.06 R)
• M9: 5,952,350 km (0.068 R)
• M10: 6,402,490 km (0.059 R)
• M11: 7,999,148 km (0.12 R)
• M12: 8,548,770 km (0.114 R)
• M13: 9,123,675 km (0.107 R)
• M14: 12,012,709 km (0.12 R)
• M15: 13,536,812 km (0.084 R)
• M16: 14,212,994 km (0.056 R)
• M17: 14,911,617 km (0.086 R)
• M18: 16,319,482 km (0.074 R)
• M19: 16,847,413 km (0.094 R)
• M20: 18,881,645 km (0.071 R)
• M21: 19,529,104 km (0.11 R)
• M22: 21,983,557 km (0.118 R)
• M23: 22,991,547 km (0.098 R)
• M24: 24,256,547 km (0.099 R)
• M25: 26,360,342 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 874.4

Radius: 6.9

Gravity: 18.37 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 5.25 AU - 6.57 AU

Year: 9581 Days

Day: 16.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 75,200,202 km

• M1: 86,168 km (0.07 R)
• M2: 520,451 km (0.102 R)
• M3: 809,624 km (0.111 R)
• M4: 1,574,218 km (0.092 R)
• M5: 1,982,471 km (0.055 R)
• M6: 2,304,854 km (0.076 R)
• M7: 2,832,187 km (0.097 R)
• M8: 3,437,011 km (0.059 R)
• M9: 4,013,412 km (0.091 R)
• M10: 4,900,826 km (0.088 R)
• M11: 5,290,080 km (0.12 R)
• M12: 8,524,984 km (0.079 R)
• M13: 9,379,338 km (0.095 R)
• M14: 10,499,527 km (0.083 R)
• M15: 11,935,217 km (0.102 R)
• M16: 12,640,122 km (0.068 R)
• M17: 13,434,786 km (0.086 R)
• M18: 15,531,999 km (0.057 R)
• M19: 17,538,106 km (0.108 R)
• M20: 18,065,439 km (0.091 R)
• M21: 21,114,094 km (0.082 R)
• M22: 21,453,681 km (0.089 R)
• M23: 22,231,141 km (0.096 R)
• M24: 22,582,696 km (0.066 R)
• M25: 27,194,799 km (0.075 R)
• M26: 29,455,671 km (0.113 R)
• M27: 30,631,810 km (0.104 R)
• M28: 32,849,748 km (0.11 R)
• M29: 33,077,286 km (0.1 R)
• M30: 34,230,686 km (0.102 R)
• M31: 36,252,800 km (0.107 R)
• M32: 37,602,771 km (0.113 R)
• M33: 38,985,953 km (0.061 R)
• M34: 42,120,776 km (0.117 R)
• M35: 42,389,454 km (0.089 R)
• M36: 42,930,101 km (0.069 R)
• M37: 45,419,858 km (0.066 R)
• M38: 45,985,937 km (0.084 R)
• M39: 47,421,627 km (0.106 R)
• M40: 49,481,590 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 549.5

Radius: 6.4

Gravity: 13.42 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 6.06 AU - 7.95 AU

Year: 12350 Days

Day: 22.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 75,200,202 km

• M1: 79,885 km (0.104 R)
• M2: 301,290 km (0.084 R)
• M3: 501,452 km (0.059 R)
• M4: 869,912 km (0.069 R)
• M5: 1,075,908 km (0.09 R)
• M6: 1,560,755 km (0.07 R)
• M7: 2,091,528 km (0.106 R)
• M8: 2,467,766 km (0.107 R)
• M9: 2,800,622 km (0.103 R)
• M10: 3,139,461 km (0.107 R)
• M11: 4,529,824 km (0.12 R)
• M12: 4,775,314 km (0.094 R)
• M13: 6,555,229 km (0.11 R)
• M14: 7,071,491 km (0.093 R)
• M15: 7,830,401 km (0.101 R)
• M16: 8,365,812 km (0.085 R)
• M17: 9,312,019 km (0.083 R)
• M18: 9,861,791 km (0.063 R)
• M19: 12,161,409 km (0.111 R)
• M20: 12,696,970 km (0.096 R)
• M21: 14,398,197 km (0.098 R)
• M22: 15,682,794 km (0.099 R)
• M23: 17,939,777 km (0.09 R)
• M24: 18,169,110 km (0.116 R)
• M25: 19,425,284 km (0.104 R)
• M26: 21,330,861 km (0.079 R)
• M27: 24,746,629 km (0.108 R)
• M28: 33,671,040 km (0.1 R)
• M29: 40,724,131 km (0.041 R)
• M30: 43,414,948 km (0.075 R)
• M31: 50,049,015 km (0.111 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 1000

Radius: 5.2

Gravity: 36.98 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 6.75 AU - 10.07 AU

Year: 16264 Days

Day: 22.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 170.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 75,200,202 km

• M1: 64,776 km (0.089 R)
• M2: 233,522 km (0.053 R)
• M3: 639,082 km (0.088 R)
• M4: 931,995 km (0.082 R)
• M5: 1,224,608 km (0.068 R)
• M6: 2,503,670 km (0.074 R)
• M7: 2,991,808 km (0.113 R)
• M8: 4,058,740 km (0.082 R)
• M9: 4,660,123 km (0.109 R)
• M10: 4,909,503 km (0.059 R)
• M11: 5,167,709 km (0.113 R)
• M12: 5,357,549 km (0.088 R)
• M13: 7,965,488 km (0.075 R)
• M14: 8,374,040 km (0.098 R)
• M15: 8,636,435 km (0.028 R)
• M16: 8,850,210 km (0.101 R)
• M17: 9,400,431 km (0.036 R)
• M18: 9,798,810 km (0.112 R)
• M19: 20,508,821 km (0.11 R)
• M20: 22,865,586 km (0.088 R)
• M21: 23,069,787 km (0.097 R)
• M22: 25,070,658 km (0.057 R)
• M23: 27,413,511 km (0.115 R)
• M24: 27,992,155 km (0.063 R)
• M25: 28,460,845 km (0.089 R)
• M26: 32,529,309 km (0.1 R)
• M27: 33,439,462 km (0.11 R)
• M28: 33,834,700 km (0.078 R)
• M29: 44,916,611 km (0.068 R)
• M30: 46,207,342 km (0.104 R)
• M31: 52,145,180 km (0.117 R)
• M32: 52,321,855 km (0.118 R)
• M33: 55,756,473 km (0.06 R)
• M34: 58,191,029 km (0.071 R)
• M35: 58,571,755 km (0.09 R)
• M36: 59,917,538 km (0.077 R)
• M37: 60,305,744 km (0.054 R)
• M38: 63,271,073 km (0.066 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 282 - 15,681 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit