🌌 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: 993.9

Radius: 9.3

Gravity: 11.49 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.44 AU - 0.72 AU

Year: 300 Days

Day: 10.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 165.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,601,290 km

• M1: 115,639 km (0.053 R)
• M2: 453,132 km (0.11 R)
• M3: 1,029,084 km (0.101 R)
• M4: 1,335,610 km (0.119 R)
• M5: 1,675,945 km (0.103 R)
• M6: 2,206,718 km (0.104 R)
• M7: 2,805,858 km (0.068 R)
• M8: 3,382,857 km (0.052 R)
• M9: 3,687,887 km (0.104 R)
• M10: 4,011,317 km (0.068 R)
• M11: 4,845,475 km (0.058 R)
• M12: 5,188,503 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.8

Radius: 12.9

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.31 AU - 1.75 AU

Year: 1284 Days

Day: 11 Hours

Environment

Temp: -196 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,601,290 km

• M1: 161,416 km (0.08 R)
• M2: 619,784 km (0.036 R)
• M3: 1,158,486 km (0.08 R)
• M4: 1,601,445 km (0.08 R)
• M5: 3,094,731 km (0.046 R)
• M6: 3,818,934 km (0.088 R)
• M7: 5,824,743 km (0.047 R)
• M8: 7,031,399 km (0.093 R)
• M9: 8,034,154 km (0.088 R)
• M10: 8,570,163 km (0.092 R)
• M11: 10,290,389 km (0.054 R)
• M12: 10,855,420 km (0.111 R)
• M13: 11,652,926 km (0.109 R)
• M14: 12,267,175 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.5

Radius: 14.6

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.93 AU - 2.11 AU

Year: 1947 Days

Day: 5.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,601,290 km

• M1: 181,612 km (0.033 R)
• M2: 678,277 km (0.059 R)
• M3: 1,333,515 km (0.091 R)
• M4: 1,863,541 km (0.093 R)
• M5: 3,138,264 km (0.072 R)
• M6: 3,745,931 km (0.108 R)
• M7: 5,688,459 km (0.119 R)
• M8: 6,544,608 km (0.116 R)
• M9: 7,689,630 km (0.098 R)
• M10: 8,202,152 km (0.076 R)
• M11: 8,866,666 km (0.101 R)
• M12: 9,396,841 km (0.069 R)
• M13: 9,948,258 km (0.111 R)
• M14: 10,521,218 km (0.092 R)
• M15: 12,537,349 km (0.077 R)
• M16: 13,121,678 km (0.079 R)
• M17: 14,120,992 km (0.068 R)
• M18: 14,799,867 km (0.071 R)
• M19: 15,643,001 km (0.115 R)
• M20: 16,369,897 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841

Radius: 10.4

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.85 AU - 2.75 AU

Year: 2366 Days

Day: 8.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,601,290 km

• M1: 129,701 km (0.107 R)
• M2: 496,366 km (0.111 R)
• M3: 937,231 km (0.093 R)
• M4: 1,779,467 km (0.114 R)
• M5: 2,824,557 km (0.054 R)
• M6: 4,405,657 km (0.115 R)
• M7: 4,890,953 km (0.066 R)
• M8: 5,610,070 km (0.105 R)
• M9: 7,937,065 km (0.114 R)
• M10: 8,724,847 km (0.111 R)
• M11: 9,929,259 km (0.112 R)
• M12: 12,107,105 km (0.067 R)
• M13: 12,752,470 km (0.081 R)
• M14: 13,832,717 km (0.088 R)
• M15: 14,730,154 km (0.07 R)
• M16: 16,851,452 km (0.119 R)
• M17: 17,547,381 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.3

Radius: 14.4

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.16 AU - 3.06 AU

Year: 2860 Days

Day: 8.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,601,290 km

• M1: 179,069 km (0.065 R)
• M2: 637,287 km (0.114 R)
• M3: 1,190,649 km (0.097 R)
• M4: 1,736,083 km (0.099 R)
• M5: 2,292,139 km (0.092 R)
• M6: 2,757,238 km (0.081 R)
• M7: 3,285,917 km (0.088 R)
• M8: 4,634,093 km (0.093 R)
• M9: 5,481,266 km (0.091 R)
• M10: 8,333,948 km (0.111 R)
• M11: 9,078,646 km (0.118 R)
• M12: 9,588,176 km (0.087 R)
• M13: 11,040,772 km (0.097 R)
• M14: 12,060,880 km (0.082 R)
• M15: 13,884,777 km (0.115 R)
• M16: 15,740,838 km (0.071 R)
• M17: 16,779,047 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.5

Radius: 12

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 4.15 AU - 5.05 AU

Year: 6692 Days

Day: 12.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,601,290 km

• M1: 150,196 km (0.12 R)
• M2: 550,221 km (0.12 R)
• M3: 978,968 km (0.091 R)
• M4: 2,839,966 km (0.04 R)
• M5: 3,480,993 km (0.09 R)
• M6: 4,006,231 km (0.04 R)
• M7: 5,299,505 km (0.092 R)
• M8: 5,816,964 km (0.101 R)
• M9: 6,953,907 km (0.054 R)
• M10: 7,936,167 km (0.107 R)
• M11: 10,046,095 km (0.051 R)
• M12: 10,795,730 km (0.101 R)
• M13: 11,207,573 km (0.046 R)
• M14: 12,858,984 km (0.038 R)
• M15: 13,426,409 km (0.07 R)
• M16: 14,227,057 km (0.047 R)
• M17: 14,890,374 km (0.101 R)
• M18: 18,390,814 km (0.082 R)
• M19: 19,715,354 km (0.089 R)
• M20: 23,838,720 km (0.109 R)
• M21: 26,554,220 km (0.086 R)
• M22: 27,054,027 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 489.7

Radius: 5.9

Gravity: 14.07 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 6.33 AU - 8.99 AU

Year: 14379 Days

Day: 15.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,601,290 km

• M1: 73,453 km (0.075 R)
• M2: 402,119 km (0.11 R)
• M3: 711,188 km (0.097 R)
• M4: 967,001 km (0.108 R)
• M5: 1,207,404 km (0.076 R)
• M6: 1,545,645 km (0.062 R)
• M7: 1,810,433 km (0.112 R)
• M8: 5,626,974 km (0.082 R)
• M9: 8,283,533 km (0.077 R)
• M10: 9,195,033 km (0.106 R)
• M11: 9,496,323 km (0.053 R)
• M12: 9,700,674 km (0.116 R)
• M13: 10,171,608 km (0.074 R)
• M14: 11,792,651 km (0.106 R)
• M15: 13,514,073 km (0.114 R)
• M16: 13,772,878 km (0.086 R)
• M17: 16,254,108 km (0.096 R)
• M18: 18,064,242 km (0.103 R)
• M19: 20,088,451 km (0.097 R)
• M20: 22,259,116 km (0.1 R)
• M21: 23,821,367 km (0.114 R)
• M22: 26,957,835 km (0.068 R)
• M23: 34,514,772 km (0.032 R)
• M24: 35,364,637 km (0.076 R)
• M25: 38,513,822 km (0.082 R)
• M26: 40,223,127 km (0.05 R)
• M27: 41,164,098 km (0.119 R)
• M28: 50,768,730 km (0.056 R)
• M29: 54,601,278 km (0.097 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 282 - 18,842 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit