🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969

Radius: 13

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.39 AU - 0.63 AU

Year: 251 Days

Day: 7.3 Hours

Environment

Temp: -137 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 92,436,663 km

• M1: 161,865 km (0.12 R)
• M2: 739,013 km (0.066 R)
• M3: 1,593,965 km (0.055 R)
• M4: 2,011,643 km (0.099 R)
• M5: 2,547,353 km (0.119 R)
• M6: 4,030,615 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.8

Radius: 10.5

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.46 AU - 0.74 AU

Year: 321 Days

Day: 8.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 92,436,663 km

• M1: 130,599 km (0.078 R)
• M2: 577,597 km (0.114 R)
• M3: 918,980 km (0.03 R)
• M4: 1,406,519 km (0.048 R)
• M5: 1,877,752 km (0.082 R)
• M6: 2,375,764 km (0.105 R)
• M7: 2,739,885 km (0.053 R)
• M8: 3,394,525 km (0.104 R)
• M9: 3,930,534 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.4

Radius: 14.2

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.38 AU - 1.7 AU

Year: 1319 Days

Day: 9.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 92,436,663 km

• M1: 176,675 km (0.08 R)
• M2: 873,352 km (0.095 R)
• M3: 1,366,128 km (0.079 R)
• M4: 2,253,094 km (0.057 R)
• M5: 3,157,263 km (0.089 R)
• M6: 3,795,148 km (0.08 R)
• M7: 4,236,761 km (0.082 R)
• M8: 4,872,702 km (0.074 R)
• M9: 6,385,585 km (0.075 R)
• M10: 7,145,094 km (0.084 R)
• M11: 7,601,816 km (0.092 R)
• M12: 8,279,793 km (0.098 R)
• M13: 8,814,606 km (0.11 R)
• M14: 10,662,289 km (0.105 R)
• M15: 11,224,478 km (0.107 R)
• M16: 12,717,165 km (0.119 R)
• M17: 13,962,418 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.9

Radius: 14.6

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.61 AU - 2.33 AU

Year: 1909 Days

Day: 5.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 92,436,663 km

• M1: 181,612 km (0.065 R)
• M2: 659,427 km (0.046 R)
• M3: 1,130,661 km (0.099 R)
• M4: 1,604,886 km (0.088 R)
• M5: 2,065,947 km (0.118 R)
• M6: 3,827,013 km (0.105 R)
• M7: 5,101,437 km (0.1 R)
• M8: 5,837,159 km (0.12 R)
• M9: 7,633,231 km (0.106 R)
• M10: 8,178,964 km (0.096 R)
• M11: 10,349,480 km (0.089 R)
• M12: 11,346,550 km (0.089 R)
• M13: 11,868,796 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.4

Radius: 14.8

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.88 AU - 2.18 AU

Year: 1996 Days

Day: 11.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 92,436,663 km

• M1: 184,155 km (0.069 R)
• M2: 735,124 km (0.105 R)
• M3: 1,406,070 km (0.114 R)
• M4: 2,230,504 km (0.1 R)
• M5: 3,229,369 km (0.065 R)
• M6: 4,328,315 km (0.114 R)
• M7: 4,824,232 km (0.065 R)
• M8: 5,381,484 km (0.104 R)
• M9: 7,146,589 km (0.062 R)
• M10: 8,713,178 km (0.082 R)
• M11: 10,245,061 km (0.068 R)
• M12: 12,231,571 km (0.113 R)
• M13: 13,618,792 km (0.035 R)
• M14: 14,554,826 km (0.04 R)
• M15: 16,555,099 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.1

Radius: 8.6

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.26 AU - 2.98 AU

Year: 2927 Days

Day: 7.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 59.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 92,436,663 km

• M1: 109,206 km (0.032 R)
• M2: 629,957 km (0.091 R)
• M3: 1,275,023 km (0.052 R)
• M4: 1,758,972 km (0.072 R)
• M5: 2,402,093 km (0.105 R)
• M6: 2,933,165 km (0.105 R)
• M7: 3,798,440 km (0.046 R)
• M8: 4,736,119 km (0.07 R)
• M9: 5,401,979 km (0.086 R)
• M10: 6,102,546 km (0.064 R)
• M11: 6,529,498 km (0.107 R)
• M12: 8,374,489 km (0.026 R)
• M13: 8,868,311 km (0.106 R)
• M14: 10,060,008 km (0.074 R)
• M15: 10,355,165 km (0.101 R)
• M16: 10,885,788 km (0.112 R)
• M17: 12,843,725 km (0.11 R)
• M18: 13,590,219 km (0.098 R)
• M19: 13,996,975 km (0.077 R)
• M20: 14,272,534 km (0.098 R)
• M21: 15,558,179 km (0.073 R)
• M22: 16,764,237 km (0.082 R)
• M23: 17,549,027 km (0.111 R)
• M24: 17,869,615 km (0.101 R)
• M25: 18,358,052 km (0.056 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.4

Radius: 12

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.37 AU - 3.17 AU

Year: 3182 Days

Day: 5.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 92,436,663 km

• M1: 149,299 km (0.116 R)
• M2: 632,949 km (0.08 R)
• M3: 1,153,100 km (0.049 R)
• M4: 1,538,764 km (0.07 R)
• M5: 1,944,473 km (0.072 R)
• M6: 2,333,876 km (0.087 R)
• M7: 2,763,372 km (0.088 R)
• M8: 4,280,893 km (0.05 R)
• M9: 5,004,348 km (0.118 R)
• M10: 6,672,364 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.5

Radius: 11.2

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.19 AU - 4.05 AU

Year: 4754 Days

Day: 11.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 92,436,663 km

• M1: 139,276 km (0.094 R)
• M2: 506,538 km (0.086 R)
• M3: 1,253,929 km (0.116 R)
• M4: 1,902,586 km (0.076 R)
• M5: 2,391,771 km (0.097 R)
• M6: 2,963,983 km (0.109 R)
• M7: 3,604,411 km (0.041 R)
• M8: 4,457,568 km (0.117 R)
• M9: 6,370,476 km (0.116 R)
• M10: 8,277,101 km (0.076 R)
• M11: 9,672,849 km (0.112 R)
• M12: 10,360,700 km (0.11 R)
• M13: 10,716,743 km (0.103 R)
• M14: 16,966,493 km (0.115 R)
• M15: 17,903,424 km (0.053 R)
• M16: 18,612,219 km (0.113 R)
• M17: 19,812,293 km (0.082 R)
• M18: 21,780,552 km (0.059 R)
• M19: 23,568,546 km (0.094 R)
• M20: 27,350,231 km (0.119 R)
• M21: 28,031,948 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 660.6

Radius: 3.4

Gravity: 57.15 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 8.82 AU - 8.84 AU

Year: 18111 Days

Day: 23.7 Hours

Environment

Temp: -243 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 92,436,663 km

• M1: 45,627 km (0.047 R)
• M2: 309,219 km (0.073 R)
• M3: 731,534 km (0.12 R)
• M4: 854,054 km (0.101 R)
• M5: 1,076,506 km (0.103 R)
• M6: 1,194,689 km (0.055 R)
• M7: 1,336,208 km (0.072 R)
• M8: 1,504,805 km (0.086 R)
• M9: 1,670,111 km (0.114 R)
• M10: 2,177,995 km (0.032 R)
• M11: 2,980,438 km (0.116 R)
• M12: 5,032,173 km (0.101 R)
• M13: 6,536,230 km (0.03 R)
• M14: 6,798,176 km (0.098 R)
• M15: 7,578,778 km (0.069 R)
• M16: 8,938,473 km (0.079 R)
• M17: 9,261,155 km (0.069 R)
• M18: 9,480,765 km (0.098 R)
• M19: 11,054,086 km (0.095 R)
• M20: 13,621,485 km (0.078 R)
• M21: 17,878,442 km (0.108 R)
• M22: 18,218,627 km (0.104 R)
• M23: 19,176,652 km (0.094 R)
• M24: 25,105,066 km (0.119 R)
• M25: 25,746,691 km (0.066 R)
• M26: 26,619,146 km (0.048 R)
• M27: 29,119,824 km (0.077 R)
• M28: 33,542,087 km (0.09 R)
• M29: 37,137,971 km (0.102 R)
• M30: 37,970,632 km (0.114 R)
• M31: 38,957,529 km (0.105 R)
• M32: 40,106,142 km (0.108 R)
• M33: 40,251,401 km (0.067 R)
• M34: 46,189,839 km (0.055 R)
• M35: 48,456,396 km (0.101 R)
• M36: 48,786,110 km (0.057 R)
• M37: 56,241,918 km (0.052 R)
• M38: 60,144,178 km (0.1 R)
• M39: 70,364,106 km (0.051 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 880.6

Radius: 6.2

Gravity: 22.91 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 9.26 AU - 11.82 AU

Year: 23620 Days

Day: 19.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 92,436,663 km

• M1: 77,193 km (0.102 R)
• M2: 294,409 km (0.067 R)
• M3: 530,923 km (0.12 R)
• M4: 872,754 km (0.1 R)
• M5: 1,275,771 km (0.081 R)
• M6: 2,496,788 km (0.112 R)
• M7: 3,707,185 km (0.103 R)
• M8: 4,105,265 km (0.064 R)
• M9: 4,642,471 km (0.106 R)
• M10: 4,870,159 km (0.09 R)
• M11: 6,919,799 km (0.11 R)
• M12: 8,950,291 km (0.086 R)
• M13: 10,038,167 km (0.102 R)
• M14: 15,866,350 km (0.117 R)
• M15: 16,912,787 km (0.063 R)
• M16: 21,982,659 km (0.057 R)
• M17: 27,980,038 km (0.116 R)
• M18: 28,230,315 km (0.106 R)
• M19: 32,716,306 km (0.059 R)
• M20: 39,510,742 km (0.113 R)
• M21: 42,406,808 km (0.108 R)
• M22: 50,075,344 km (0.028 R)
• M23: 54,428,941 km (0.114 R)
• M24: 63,663,468 km (0.079 R)
• M25: 67,183,057 km (0.109 R)
• M26: 76,789,485 km (0.063 R)
• M27: 85,681,432 km (0.092 R)
• M28: 86,739,389 km (0.061 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 510 - 20,396 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit