🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.3

Radius: 11.4

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.74 AU - 0.96 AU

Year: 541 Days

Day: 7.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,478,931 km

• M1: 141,819 km (0.096 R)
• M2: 617,091 km (0.11 R)
• M3: 1,089,372 km (0.043 R)
• M4: 2,097,661 km (0.076 R)
• M5: 2,568,745 km (0.063 R)
• M6: 3,039,829 km (0.098 R)
• M7: 4,071,156 km (0.105 R)
• M8: 4,605,520 km (0.062 R)
• M9: 5,020,355 km (0.112 R)
• M10: 5,407,963 km (0.037 R)
• M11: 6,935,806 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.2

Radius: 12.4

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.26 AU - 2.06 AU

Year: 1476 Days

Day: 7.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,478,931 km

• M1: 154,535 km (0.111 R)
• M2: 612,005 km (0.077 R)
• M3: 1,082,789 km (0.079 R)
• M4: 1,543,102 km (0.102 R)
• M5: 2,101,850 km (0.077 R)
• M6: 3,282,476 km (0.081 R)
• M7: 3,766,276 km (0.106 R)
• M8: 4,546,429 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.7

Radius: 14.5

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.71 AU - 2.97 AU

Year: 3304 Days

Day: 5.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,478,931 km

• M1: 180,265 km (0.07 R)
• M2: 647,759 km (0.069 R)
• M3: 1,105,379 km (0.092 R)
• M4: 2,196,246 km (0.107 R)
• M5: 2,919,702 km (0.093 R)
• M6: 3,506,125 km (0.066 R)
• M7: 5,039,503 km (0.097 R)
• M8: 5,835,065 km (0.117 R)
• M9: 6,363,145 km (0.089 R)
• M10: 7,874,533 km (0.112 R)
• M11: 8,347,561 km (0.028 R)
• M12: 9,202,812 km (0.071 R)
• M13: 10,115,808 km (0.101 R)
• M14: 12,256,254 km (0.084 R)
• M15: 13,079,192 km (0.106 R)
• M16: 15,091,882 km (0.093 R)
• M17: 15,559,974 km (0.116 R)
• M18: 16,416,122 km (0.102 R)
• M19: 18,047,936 km (0.069 R)
• M20: 18,635,108 km (0.099 R)
• M21: 19,356,319 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.1

Radius: 11.1

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.41 AU - 4.07 AU

Year: 4993 Days

Day: 10.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,478,931 km

• M1: 138,677 km (0.083 R)
• M2: 626,965 km (0.093 R)
• M3: 1,310,328 km (0.083 R)
• M4: 1,688,511 km (0.117 R)
• M5: 2,303,658 km (0.025 R)
• M6: 3,063,016 km (0.116 R)
• M7: 3,871,443 km (0.102 R)
• M8: 4,665,658 km (0.082 R)
• M9: 5,537,216 km (0.105 R)
• M10: 7,126,394 km (0.072 R)
• M11: 8,392,141 km (0.102 R)
• M12: 9,315,609 km (0.083 R)
• M13: 11,318,575 km (0.104 R)
• M14: 13,186,304 km (0.108 R)
• M15: 15,195,853 km (0.097 R)
• M16: 15,870,838 km (0.105 R)
• M17: 18,203,368 km (0.079 R)
• M18: 19,029,148 km (0.114 R)
• M19: 20,892,539 km (0.067 R)
• M20: 22,010,484 km (0.092 R)
• M21: 25,998,764 km (0.084 R)
• M22: 27,291,588 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.4

Radius: 14

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.11 AU - 4.47 AU

Year: 6133 Days

Day: 14.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,478,931 km

• M1: 175,478 km (0.087 R)
• M2: 866,321 km (0.072 R)
• M3: 1,398,590 km (0.065 R)
• M4: 1,891,515 km (0.086 R)
• M5: 2,656,559 km (0.113 R)
• M6: 3,598,726 km (0.115 R)
• M7: 4,368,557 km (0.071 R)
• M8: 4,995,372 km (0.054 R)
• M9: 6,627,634 km (0.105 R)
• M10: 7,457,903 km (0.048 R)
• M11: 10,873,072 km (0.074 R)
• M12: 11,586,056 km (0.057 R)
• M13: 12,028,716 km (0.082 R)
• M14: 13,105,821 km (0.105 R)
• M15: 16,292,555 km (0.103 R)
• M16: 18,000,214 km (0.063 R)
• M17: 20,387,647 km (0.084 R)
• M18: 23,522,919 km (0.114 R)
• M19: 24,075,085 km (0.109 R)
• M20: 27,921,395 km (0.097 R)
• M21: 28,988,477 km (0.028 R)
• M22: 30,267,539 km (0.059 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 407

Radius: 4.4

Gravity: 21.02 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 6.35 AU - 7.65 AU

Year: 12784 Days

Day: 18.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 63,478,931 km

• M1: 56,997 km (0.077 R)
• M2: 217,964 km (0.083 R)
• M3: 545,883 km (0.111 R)
• M4: 726,597 km (0.03 R)
• M5: 907,311 km (0.113 R)
• M6: 1,140,684 km (0.091 R)
• M7: 1,360,593 km (0.068 R)
• M8: 1,522,458 km (0.077 R)
• M9: 2,475,695 km (0.12 R)
• M10: 2,635,765 km (0.029 R)
• M11: 3,157,712 km (0.081 R)
• M12: 3,930,385 km (0.077 R)
• M13: 4,432,884 km (0.045 R)
• M14: 4,760,354 km (0.105 R)
• M15: 6,160,590 km (0.115 R)
• M16: 7,233,506 km (0.119 R)
• M17: 7,603,461 km (0.117 R)
• M18: 8,336,192 km (0.029 R)
• M19: 9,742,412 km (0.091 R)
• M20: 11,029,103 km (0.116 R)
• M21: 11,685,090 km (0.071 R)
• M22: 12,658,673 km (0.118 R)
• M23: 13,255,867 km (0.119 R)
• M24: 14,700,534 km (0.086 R)
• M25: 17,676,933 km (0.048 R)
• M26: 19,896,367 km (0.073 R)
• M27: 20,702,849 km (0.073 R)
• M28: 22,553,375 km (0.067 R)
• M29: 28,154,918 km (0.114 R)
• M30: 29,170,538 km (0.118 R)
• M31: 38,066,674 km (0.109 R)
• M32: 38,436,031 km (0.112 R)
• M33: 39,432,952 km (0.077 R)
• M34: 42,000,350 km (0.108 R)
• M35: 45,087,901 km (0.061 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 847.9

Radius: 6.7

Gravity: 18.89 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 6.26 AU - 8.4 AU

Year: 13698 Days

Day: 23.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 63,478,931 km

• M1: 83,476 km (0.103 R)
• M2: 319,391 km (0.113 R)
• M3: 598,092 km (0.089 R)
• M4: 993,031 km (0.068 R)
• M5: 1,289,982 km (0.081 R)
• M6: 1,520,214 km (0.105 R)
• M7: 2,102,748 km (0.075 R)
• M8: 3,294,444 km (0.112 R)
• M9: 3,872,939 km (0.053 R)
• M10: 4,232,573 km (0.104 R)
• M11: 4,881,528 km (0.115 R)
• M12: 5,159,032 km (0.12 R)
• M13: 5,937,689 km (0.059 R)
• M14: 6,213,847 km (0.037 R)
• M15: 6,749,557 km (0.087 R)
• M16: 7,541,827 km (0.105 R)
• M17: 8,843,927 km (0.087 R)
• M18: 10,233,093 km (0.095 R)
• M19: 10,862,601 km (0.076 R)
• M20: 12,325,069 km (0.038 R)
• M21: 14,122,039 km (0.07 R)
• M22: 14,543,755 km (0.104 R)
• M23: 15,486,521 km (0.12 R)
• M24: 17,493,377 km (0.079 R)
• M25: 17,735,576 km (0.093 R)
• M26: 25,461,558 km (0.117 R)
• M27: 27,584,202 km (0.061 R)
• M28: 29,025,577 km (0.079 R)
• M29: 34,909,860 km (0.099 R)
• M30: 35,165,672 km (0.103 R)
• M31: 35,810,589 km (0.115 R)
• M32: 37,658,122 km (0.108 R)
• M33: 38,605,376 km (0.068 R)
• M34: 39,707,314 km (0.103 R)
• M35: 43,728,954 km (0.107 R)
• M36: 44,775,241 km (0.089 R)
• M37: 48,967,422 km (0.097 R)
• M38: 50,747,786 km (0.083 R)
• M39: 51,902,981 km (0.106 R)
• M40: 53,075,529 km (0.095 R)
• M41: 60,668,668 km (0.107 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 167 - 12,395 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit