🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.75 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.5

Radius: 13.9

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.33 AU - 1.67 AU

Year: 1168 Days

Day: 14.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,988,386 km

• M1: 172,935 km (0.041 R)
• M2: 613,950 km (0.085 R)
• M3: 1,639,742 km (0.103 R)
• M4: 2,108,432 km (0.105 R)
• M5: 2,793,740 km (0.102 R)
• M6: 3,502,535 km (0.099 R)
• M7: 4,398,925 km (0.057 R)
• M8: 5,463,763 km (0.11 R)
• M9: 6,212,500 km (0.107 R)
• M10: 7,500,987 km (0.094 R)
• M11: 9,163,169 km (0.087 R)
• M12: 9,911,158 km (0.064 R)
• M13: 10,829,539 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.1

Radius: 10.7

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.7 AU - 4.24 AU

Year: 4110 Days

Day: 9.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,988,386 km

• M1: 133,142 km (0.096 R)
• M2: 491,579 km (0.082 R)
• M3: 1,575,266 km (0.099 R)
• M4: 2,431,265 km (0.101 R)
• M5: 3,407,839 km (0.086 R)
• M6: 5,476,928 km (0.091 R)
• M7: 6,118,703 km (0.05 R)
• M8: 6,584,550 km (0.099 R)
• M9: 7,979,700 km (0.107 R)
• M10: 9,480,915 km (0.087 R)
• M11: 10,277,075 km (0.114 R)
• M12: 14,610,476 km (0.052 R)
• M13: 17,699,074 km (0.093 R)
• M14: 23,147,279 km (0.034 R)
• M15: 26,902,185 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.4

Radius: 11

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.89 AU - 4.49 AU

Year: 5453 Days

Day: 12.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 72,988,386 km

• M1: 136,732 km (0.074 R)
• M2: 497,263 km (0.09 R)
• M3: 966,253 km (0.112 R)
• M4: 1,374,804 km (0.111 R)
• M5: 1,832,125 km (0.068 R)
• M6: 2,342,104 km (0.05 R)
• M7: 2,745,271 km (0.088 R)
• M8: 3,194,663 km (0.107 R)
• M9: 3,693,123 km (0.114 R)
• M10: 4,266,830 km (0.099 R)
• M11: 4,872,851 km (0.084 R)
• M12: 6,383,192 km (0.032 R)
• M13: 9,742,113 km (0.109 R)
• M14: 11,207,274 km (0.113 R)
• M15: 12,561,434 km (0.115 R)
• M16: 12,967,592 km (0.081 R)
• M17: 13,806,387 km (0.075 R)
• M18: 15,767,167 km (0.101 R)
• M19: 16,299,885 km (0.098 R)
• M20: 18,034,622 km (0.056 R)
• M21: 18,421,931 km (0.094 R)
• M22: 19,279,874 km (0.083 R)
• M23: 20,721,848 km (0.062 R)
• M24: 25,640,626 km (0.092 R)
• M25: 29,113,840 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.5

Radius: 13.5

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.84 AU - 5.08 AU

Year: 5989 Days

Day: 7.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 72,988,386 km

• M1: 167,849 km (0.05 R)
• M2: 675,285 km (0.049 R)
• M3: 1,943,875 km (0.11 R)
• M4: 2,615,868 km (0.088 R)
• M5: 3,126,745 km (0.105 R)
• M6: 3,681,454 km (0.094 R)
• M7: 4,690,492 km (0.107 R)
• M8: 5,600,196 km (0.054 R)
• M9: 6,624,194 km (0.041 R)
• M10: 7,109,938 km (0.098 R)
• M11: 9,339,245 km (0.038 R)
• M12: 11,451,717 km (0.054 R)
• M13: 12,102,468 km (0.095 R)
• M14: 12,672,436 km (0.12 R)
• M15: 13,588,274 km (0.116 R)
• M16: 14,090,773 km (0.073 R)
• M17: 16,413,579 km (0.096 R)
• M18: 17,897,291 km (0.08 R)
• M19: 19,539,277 km (0.086 R)
• M20: 21,279,549 km (0.068 R)
• M21: 22,187,309 km (0.111 R)
• M22: 25,149,796 km (0.116 R)
• M23: 25,993,827 km (0.05 R)
• M24: 31,169,165 km (0.076 R)
• M25: 33,338,185 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 575.5

Radius: 6.9

Gravity: 12.09 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 6.99 AU - 7.69 AU

Year: 12644 Days

Day: 22.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 72,988,386 km

• M1: 87,515 km (0.089 R)
• M2: 547,379 km (0.088 R)
• M3: 815,757 km (0.087 R)
• M4: 1,244,804 km (0.119 R)
• M5: 2,216,442 km (0.116 R)
• M6: 4,053,803 km (0.053 R)
• M7: 4,342,677 km (0.108 R)
• M8: 4,770,078 km (0.093 R)
• M9: 7,857,778 km (0.11 R)
• M10: 8,080,679 km (0.115 R)
• M11: 15,059,419 km (0.1 R)
• M12: 20,710,329 km (0.103 R)
• M13: 21,394,889 km (0.116 R)
• M14: 21,742,854 km (0.102 R)
• M15: 22,271,682 km (0.095 R)
• M16: 22,990,201 km (0.103 R)
• M17: 25,920,973 km (0.055 R)
• M18: 31,942,586 km (0.027 R)
• M19: 32,856,031 km (0.083 R)
• M20: 33,202,948 km (0.112 R)
• M21: 33,552,409 km (0.079 R)
• M22: 34,258,511 km (0.107 R)
• M23: 38,833,962 km (0.099 R)
• M24: 41,066,411 km (0.057 R)
• M25: 42,692,689 km (0.112 R)
• M26: 43,382,934 km (0.066 R)
• M27: 44,502,674 km (0.082 R)
• M28: 46,218,113 km (0.12 R)
• M29: 47,533,377 km (0.057 R)

Asteroid Belt

Center: 8.6 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 9.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 624.1

Radius: 5.7

Gravity: 19.21 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 9.65 AU - 10.07 AU

Year: 19686 Days

Day: 16.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 72,988,386 km

• M1: 75,846 km (0.096 R)
• M2: 254,316 km (0.093 R)
• M3: 475,272 km (0.071 R)
• M4: 1,156,392 km (0.097 R)
• M5: 1,554,471 km (0.034 R)
• M6: 1,794,576 km (0.095 R)
• M7: 2,482,726 km (0.096 R)
• M8: 2,861,658 km (0.086 R)
• M9: 3,091,290 km (0.072 R)
• M10: 3,854,988 km (0.118 R)
• M11: 4,297,199 km (0.064 R)
• M12: 4,564,829 km (0.117 R)
• M13: 6,156,102 km (0.054 R)
• M14: 10,088,880 km (0.092 R)
• M15: 11,174,213 km (0.091 R)
• M16: 13,362,531 km (0.11 R)
• M17: 15,508,213 km (0.045 R)
• M18: 15,821,022 km (0.051 R)
• M19: 17,702,664 km (0.1 R)
• M20: 20,188,382 km (0.117 R)
• M21: 25,296,551 km (0.085 R)
• M22: 29,142,264 km (0.113 R)
• M23: 33,750,776 km (0.101 R)
• M24: 39,544,252 km (0.087 R)
• M25: 40,570,195 km (0.108 R)
• M26: 41,463,443 km (0.099 R)
• M27: 41,764,135 km (0.084 R)
• M28: 47,428,060 km (0.075 R)
• M29: 50,101,673 km (0.061 R)
• M30: 51,822,797 km (0.051 R)
• M31: 58,344,965 km (0.096 R)
• M32: 67,033,160 km (0.065 R)
• M33: 68,700,279 km (0.103 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 241 - 18,034 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit