🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.5

Radius: 8.6

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.58 AU - 0.84 AU

Year: 413 Days

Day: 9.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,957,462 km

• M1: 106,962 km (0.059 R)
• M2: 379,829 km (0.093 R)
• M3: 668,254 km (0.101 R)
• M4: 1,048,083 km (0.107 R)
• M5: 1,386,772 km (0.081 R)
• M6: 1,681,031 km (0.098 R)
• M7: 1,969,007 km (0.083 R)
• M8: 2,298,870 km (0.113 R)
• M9: 2,596,869 km (0.119 R)
• M10: 2,910,277 km (0.083 R)
• M11: 3,203,788 km (0.105 R)
• M12: 4,019,246 km (0.059 R)
• M13: 4,553,909 km (0.07 R)
• M14: 4,860,884 km (0.1 R)
• M15: 5,387,468 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.5

Radius: 10.5

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.99 AU - 1.61 AU

Year: 1023 Days

Day: 13.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,957,462 km

• M1: 130,599 km (0.116 R)
• M2: 463,005 km (0.088 R)
• M3: 815,907 km (0.107 R)
• M4: 1,226,403 km (0.094 R)
• M5: 1,737,579 km (0.042 R)
• M6: 2,748,562 km (0.082 R)
• M7: 3,101,613 km (0.114 R)
• M8: 3,607,553 km (0.059 R)
• M9: 4,046,024 km (0.08 R)
• M10: 4,666,257 km (0.084 R)
• M11: 5,124,475 km (0.038 R)
• M12: 5,496,076 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.8

Radius: 13.1

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.46 AU - 1.54 AU

Year: 1268 Days

Day: 14.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,957,462 km

• M1: 162,912 km (0.115 R)
• M2: 753,674 km (0.04 R)
• M3: 1,358,648 km (0.048 R)
• M4: 2,289,147 km (0.059 R)
• M5: 3,166,538 km (0.039 R)
• M6: 3,578,680 km (0.103 R)
• M7: 4,307,371 km (0.057 R)
• M8: 4,907,708 km (0.038 R)
• M9: 5,364,879 km (0.069 R)
• M10: 5,997,379 km (0.116 R)
• M11: 6,431,512 km (0.097 R)
• M12: 6,863,401 km (0.068 R)
• M13: 7,535,394 km (0.12 R)
• M14: 8,067,813 km (0.1 R)
• M15: 8,816,850 km (0.067 R)
• M16: 9,640,984 km (0.066 R)
• M17: 10,453,750 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.6

Radius: 13.8

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.74 AU - 2.28 AU

Year: 1967 Days

Day: 14.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,957,462 km

• M1: 176,825 km (0.111 R)
• M2: 633,697 km (0.094 R)
• M3: 1,158,187 km (0.107 R)
• M4: 1,887,476 km (0.084 R)
• M5: 2,505,615 km (0.109 R)
• M6: 4,095,691 km (0.072 R)
• M7: 4,619,133 km (0.095 R)
• M8: 5,074,360 km (0.096 R)
• M9: 5,975,238 km (0.087 R)
• M10: 7,262,677 km (0.101 R)
• M11: 7,760,539 km (0.086 R)
• M12: 8,407,251 km (0.052 R)
• M13: 9,089,567 km (0.084 R)
• M14: 10,056,567 km (0.109 R)
• M15: 10,491,598 km (0.059 R)
• M16: 11,244,524 km (0.112 R)
• M17: 12,277,048 km (0.059 R)
• M18: 12,774,461 km (0.098 R)
• M19: 13,502,105 km (0.051 R)
• M20: 14,032,430 km (0.062 R)
• M21: 15,371,331 km (0.026 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.3

Radius: 8.6

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.67 AU - 3.85 AU

Year: 4063 Days

Day: 14.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,957,462 km

• M1: 166,951 km (0.1 R)
• M2: 461,061 km (0.115 R)
• M3: 1,407,417 km (0.06 R)
• M4: 2,703,682 km (0.083 R)
• M5: 3,914,079 km (0.095 R)
• M6: 5,314,165 km (0.1 R)
• M7: 5,978,230 km (0.065 R)
• M8: 6,407,576 km (0.111 R)
• M9: 11,944,343 km (0.088 R)
• M10: 14,692,306 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.1

Radius: 9.3

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 4.4 AU - 4.68 AU

Year: 6677 Days

Day: 14.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,957,462 km

• M1: 115,639 km (0.093 R)
• M2: 568,322 km (0.113 R)
• M3: 1,452,296 km (0.081 R)
• M4: 2,451,161 km (0.103 R)
• M5: 3,005,870 km (0.113 R)
• M6: 3,952,525 km (0.119 R)
• M7: 4,671,493 km (0.089 R)
• M8: 5,038,905 km (0.057 R)
• M9: 5,575,513 km (0.05 R)
• M10: 6,791,743 km (0.078 R)
• M11: 8,987,690 km (0.071 R)
• M12: 14,291,234 km (0.091 R)
• M13: 19,261,623 km (0.108 R)
• M14: 19,790,751 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.8

Radius: 11.5

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 4 AU - 5.44 AU

Year: 7078 Days

Day: 12.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,957,462 km

• M1: 181,163 km (0.1 R)
• M2: 861,085 km (0.108 R)
• M3: 1,308,383 km (0.089 R)
• M4: 1,765,105 km (0.033 R)
• M5: 2,214,647 km (0.108 R)
• M6: 3,077,228 km (0.098 R)
• M7: 4,129,649 km (0.042 R)
• M8: 5,591,071 km (0.065 R)
• M9: 6,454,251 km (0.117 R)
• M10: 9,465,955 km (0.103 R)
• M11: 11,023,568 km (0.076 R)
• M12: 12,063,273 km (0.037 R)
• M13: 14,589,383 km (0.091 R)
• M14: 16,057,387 km (0.117 R)
• M15: 19,224,224 km (0.057 R)
• M16: 20,986,337 km (0.066 R)
• M17: 22,580,452 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 934

Radius: 4.1

Gravity: 55.56 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 5.78 AU - 7.72 AU

Year: 12105 Days

Day: 24.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 66,957,462 km

• M1: 51,162 km (0.091 R)
• M2: 326,871 km (0.067 R)
• M3: 548,127 km (0.053 R)
• M4: 775,366 km (0.102 R)
• M5: 1,098,946 km (0.076 R)
• M6: 1,278,314 km (0.087 R)
• M7: 1,779,317 km (0.06 R)
• M8: 5,154,395 km (0.115 R)
• M9: 5,330,771 km (0.087 R)
• M10: 5,547,687 km (0.072 R)
• M11: 6,273,686 km (0.066 R)
• M12: 6,597,565 km (0.079 R)
• M13: 8,386,606 km (0.074 R)
• M14: 8,879,681 km (0.114 R)
• M15: 11,942,398 km (0.105 R)
• M16: 12,821,286 km (0.093 R)
• M17: 14,496,632 km (0.094 R)
• M18: 15,495,796 km (0.11 R)
• M19: 17,950,548 km (0.043 R)
• M20: 18,111,964 km (0.096 R)
• M21: 20,213,365 km (0.063 R)
• M22: 22,192,246 km (0.067 R)
• M23: 28,456,507 km (0.072 R)
• M24: 34,791,229 km (0.085 R)
• M25: 36,187,426 km (0.112 R)
• M26: 36,445,332 km (0.097 R)
• M27: 36,834,287 km (0.087 R)
• M28: 38,955,884 km (0.12 R)
• M29: 39,226,656 km (0.085 R)
• M30: 41,297,839 km (0.105 R)
• M31: 43,586,237 km (0.062 R)
• M32: 45,356,878 km (0.09 R)
• M33: 46,411,692 km (0.051 R)
• M34: 51,931,554 km (0.071 R)
• M35: 52,754,193 km (0.086 R)
• M36: 58,049,210 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 822.8

Radius: 7.3

Gravity: 15.44 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 5.64 AU - 8.52 AU

Year: 13004 Days

Day: 20.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 66,957,462 km

• M1: 92,302 km (0.098 R)
• M2: 343,776 km (0.048 R)
• M3: 772,075 km (0.062 R)
• M4: 1,143,825 km (0.088 R)
• M5: 1,553,873 km (0.082 R)
• M6: 1,967,212 km (0.074 R)
• M7: 2,249,204 km (0.109 R)
• M8: 2,779,678 km (0.098 R)
• M9: 3,013,948 km (0.107 R)
• M10: 3,999,050 km (0.116 R)
• M11: 4,710,987 km (0.099 R)
• M12: 5,614,109 km (0.11 R)
• M13: 7,048,453 km (0.092 R)
• M14: 8,911,695 km (0.111 R)
• M15: 9,956,636 km (0.035 R)
• M16: 10,508,802 km (0.085 R)
• M17: 10,964,926 km (0.106 R)
• M18: 12,476,014 km (0.099 R)
• M19: 15,683,841 km (0.108 R)
• M20: 17,123,421 km (0.072 R)
• M21: 19,915,965 km (0.094 R)
• M22: 21,601,633 km (0.119 R)
• M23: 22,998,129 km (0.113 R)
• M24: 23,961,839 km (0.08 R)
• M25: 24,256,098 km (0.116 R)
• M26: 24,851,946 km (0.1 R)
• M27: 27,120,299 km (0.118 R)
• M28: 38,241,404 km (0.076 R)
• M29: 38,509,035 km (0.113 R)
• M30: 39,592,572 km (0.036 R)
• M31: 40,835,432 km (0.094 R)
• M32: 51,404,372 km (0.079 R)
• M33: 55,752,583 km (0.113 R)
• M34: 57,488,367 km (0.089 R)
• M35: 60,702,777 km (0.091 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 678

Radius: 4.5

Gravity: 33.48 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 7.54 AU - 9.12 AU

Year: 16595 Days

Day: 24.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,957,462 km

• M1: 57,745 km (0.056 R)
• M2: 247,584 km (0.119 R)
• M3: 465,997 km (0.046 R)
• M4: 607,367 km (0.031 R)
• M5: 797,805 km (0.063 R)
• M6: 1,113,906 km (0.074 R)
• M7: 2,147,029 km (0.092 R)
• M8: 2,616,467 km (0.102 R)
• M9: 3,844,067 km (0.068 R)
• M10: 4,434,679 km (0.049 R)
• M11: 4,803,139 km (0.072 R)
• M12: 7,975,212 km (0.054 R)
• M13: 11,308,552 km (0.112 R)
• M14: 11,804,918 km (0.039 R)
• M15: 14,006,849 km (0.093 R)
• M16: 14,944,528 km (0.108 R)
• M17: 22,225,307 km (0.097 R)
• M18: 24,510,265 km (0.109 R)
• M19: 33,925,656 km (0.12 R)
• M20: 35,216,536 km (0.101 R)
• M21: 39,850,479 km (0.091 R)
• M22: 43,355,557 km (0.081 R)
• M23: 50,804,185 km (0.053 R)
• M24: 61,873,679 km (0.118 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 392 - 11,070 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit