🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.6

Radius: 12.3

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.51 AU - 0.77 AU

Year: 341 Days

Day: 12 Hours

Environment

Temp: -154 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 78,594,916 km

• M1: 153,039 km (0.079 R)
• M2: 598,092 km (0.053 R)
• M3: 1,000,211 km (0.118 R)
• M4: 1,505,104 km (0.059 R)
• M5: 2,082,103 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.4

Radius: 13.3

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.9 AU - 1.44 AU

Year: 844 Days

Day: 8.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 178.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,594,916 km

• M1: 165,455 km (0.107 R)
• M2: 593,604 km (0.114 R)
• M3: 1,307,037 km (0.108 R)
• M4: 1,881,193 km (0.118 R)
• M5: 2,958,597 km (0.105 R)
• M6: 3,548,611 km (0.086 R)
• M7: 3,979,752 km (0.095 R)
• M8: 4,479,409 km (0.104 R)
• M9: 5,431,599 km (0.113 R)
• M10: 6,215,343 km (0.095 R)
• M11: 6,734,298 km (0.103 R)
• M12: 7,211,964 km (0.114 R)
• M13: 7,859,423 km (0.079 R)
• M14: 8,650,347 km (0.118 R)
• M15: 9,133,548 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.5

Radius: 11.6

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.95 AU - 1.49 AU

Year: 899 Days

Day: 14.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 73 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,594,916 km

• M1: 146,307 km (0.091 R)
• M2: 537,356 km (0.084 R)
• M3: 951,442 km (0.1 R)
• M4: 1,577,510 km (0.105 R)
• M5: 2,112,621 km (0.089 R)
• M6: 2,511,000 km (0.092 R)
• M7: 2,973,108 km (0.112 R)
• M8: 3,627,000 km (0.056 R)
• M9: 4,621,527 km (0.065 R)
• M10: 5,182,818 km (0.086 R)
• M11: 6,352,674 km (0.09 R)
• M12: 7,241,584 km (0.114 R)
• M13: 7,614,681 km (0.1 R)
• M14: 8,158,619 km (0.119 R)
• M15: 8,535,456 km (0.043 R)
• M16: 9,179,924 km (0.11 R)
• M17: 9,647,267 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.6

Radius: 11.1

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.42 AU - 1.68 AU

Year: 1287 Days

Day: 14.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,594,916 km

• M1: 138,079 km (0.037 R)
• M2: 547,977 km (0.059 R)
• M3: 894,894 km (0.073 R)
• M4: 1,472,043 km (0.101 R)
• M5: 2,334,774 km (0.043 R)
• M6: 2,812,141 km (0.086 R)
• M7: 3,206,331 km (0.055 R)
• M8: 3,964,792 km (0.07 R)
• M9: 5,531,381 km (0.078 R)
• M10: 6,041,211 km (0.047 R)
• M11: 6,702,284 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.2

Radius: 10.4

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.5 AU - 2.5 AU

Year: 2636 Days

Day: 15 Hours

Environment

Temp: -216 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,594,916 km

• M1: 129,701 km (0.074 R)
• M2: 512,672 km (0.094 R)
• M3: 844,181 km (0.061 R)
• M4: 1,409,062 km (0.104 R)
• M5: 1,924,876 km (0.082 R)
• M6: 2,373,520 km (0.092 R)
• M7: 3,858,428 km (0.12 R)
• M8: 4,307,222 km (0.103 R)
• M9: 6,753,147 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.9

Radius: 10.2

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.68 AU - 5.4 AU

Year: 6451 Days

Day: 5.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 78,594,916 km

• M1: 126,859 km (0.106 R)
• M2: 561,590 km (0.057 R)
• M3: 1,021,604 km (0.032 R)
• M4: 1,489,845 km (0.112 R)
• M5: 1,811,929 km (0.111 R)
• M6: 2,475,845 km (0.042 R)
• M7: 2,968,321 km (0.108 R)
• M8: 3,332,143 km (0.057 R)
• M9: 4,654,887 km (0.049 R)
• M10: 6,182,581 km (0.076 R)
• M11: 6,536,380 km (0.088 R)
• M12: 7,284,818 km (0.115 R)
• M13: 7,613,036 km (0.109 R)
• M14: 10,441,782 km (0.036 R)
• M15: 11,909,187 km (0.104 R)
• M16: 12,319,684 km (0.057 R)
• M17: 16,227,479 km (0.043 R)
• M18: 16,902,914 km (0.117 R)
• M19: 17,538,406 km (0.092 R)
• M20: 21,422,714 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 375

Radius: 6.6

Gravity: 8.61 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 5.98 AU - 6.78 AU

Year: 10746 Days

Day: 17.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 78,594,916 km

• M1: 82,129 km (0.117 R)
• M2: 420,520 km (0.12 R)
• M3: 778,956 km (0.045 R)
• M4: 993,031 km (0.08 R)
• M5: 1,414,897 km (0.098 R)
• M6: 1,888,075 km (0.105 R)
• M7: 3,415,170 km (0.107 R)
• M8: 3,627,449 km (0.106 R)
• M9: 3,924,102 km (0.046 R)
• M10: 4,157,026 km (0.066 R)
• M11: 4,371,998 km (0.048 R)
• M12: 5,788,690 km (0.057 R)
• M13: 6,439,889 km (0.098 R)
• M14: 6,764,965 km (0.1 R)
• M15: 7,765,925 km (0.104 R)
• M16: 10,996,939 km (0.111 R)
• M17: 11,672,523 km (0.058 R)
• M18: 12,101,720 km (0.08 R)
• M19: 12,485,887 km (0.101 R)
• M20: 13,924,570 km (0.114 R)
• M21: 16,786,826 km (0.085 R)
• M22: 17,333,756 km (0.048 R)
• M23: 18,680,286 km (0.081 R)
• M24: 20,711,526 km (0.074 R)
• M25: 21,659,827 km (0.087 R)
• M26: 22,802,455 km (0.095 R)
• M27: 23,052,433 km (0.061 R)
• M28: 23,473,103 km (0.11 R)
• M29: 25,474,573 km (0.099 R)
• M30: 28,928,488 km (0.108 R)
• M31: 30,312,867 km (0.111 R)
• M32: 30,919,486 km (0.047 R)
• M33: 36,067,149 km (0.081 R)
• M34: 37,669,641 km (0.114 R)
• M35: 40,893,176 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 568.3

Radius: 7.4

Gravity: 10.38 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 5.45 AU - 8.83 AU

Year: 12723 Days

Day: 15.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 78,594,916 km

• M1: 92,003 km (0.115 R)
• M2: 415,583 km (0.112 R)
• M3: 751,281 km (0.111 R)
• M4: 1,009,187 km (0.095 R)
• M5: 1,461,122 km (0.101 R)
• M6: 1,726,359 km (0.079 R)
• M7: 3,572,996 km (0.073 R)
• M8: 4,202,055 km (0.088 R)
• M9: 4,588,915 km (0.089 R)
• M10: 5,365,627 km (0.093 R)
• M11: 9,019,555 km (0.118 R)
• M12: 9,462,664 km (0.108 R)
• M13: 10,934,108 km (0.088 R)
• M14: 11,782,328 km (0.111 R)
• M15: 12,311,755 km (0.114 R)
• M16: 17,358,888 km (0.064 R)
• M17: 17,737,670 km (0.091 R)
• M18: 20,043,422 km (0.079 R)
• M19: 22,992,594 km (0.038 R)
• M20: 24,098,871 km (0.093 R)
• M21: 25,922,768 km (0.059 R)
• M22: 26,817,961 km (0.106 R)
• M23: 27,120,897 km (0.1 R)
• M24: 27,528,252 km (0.088 R)
• M25: 28,669,983 km (0.069 R)
• M26: 31,158,245 km (0.057 R)
• M27: 34,496,521 km (0.052 R)
• M28: 35,095,212 km (0.113 R)
• M29: 35,457,687 km (0.041 R)
• M30: 37,685,499 km (0.036 R)
• M31: 41,333,742 km (0.058 R)
• M32: 42,009,027 km (0.115 R)
• M33: 43,659,839 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 849.5

Radius: 4.6

Gravity: 40.15 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 7.8 AU - 9.54 AU

Year: 17024 Days

Day: 16.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 78,594,916 km

• M1: 57,146 km (0.081 R)
• M2: 560,394 km (0.076 R)
• M3: 806,931 km (0.118 R)
• M4: 1,259,464 km (0.108 R)
• M5: 1,566,439 km (0.07 R)
• M6: 1,755,531 km (0.112 R)
• M7: 2,264,014 km (0.117 R)
• M8: 2,815,432 km (0.1 R)
• M9: 3,895,229 km (0.041 R)
• M10: 4,613,150 km (0.08 R)
• M11: 11,609,692 km (0.108 R)
• M12: 11,933,572 km (0.104 R)
• M13: 12,599,282 km (0.12 R)
• M14: 13,079,940 km (0.107 R)
• M15: 18,054,817 km (0.106 R)
• M16: 18,227,902 km (0.109 R)
• M17: 21,245,441 km (0.12 R)
• M18: 23,329,788 km (0.109 R)
• M19: 24,686,192 km (0.083 R)
• M20: 25,113,892 km (0.09 R)
• M21: 27,440,737 km (0.088 R)
• M22: 29,786,582 km (0.089 R)
• M23: 30,884,630 km (0.114 R)
• M24: 31,132,214 km (0.041 R)
• M25: 32,390,183 km (0.05 R)
• M26: 35,818,667 km (0.063 R)
• M27: 39,481,421 km (0.08 R)
• M28: 40,656,662 km (0.091 R)
• M29: 41,553,352 km (0.09 R)
• M30: 42,158,475 km (0.09 R)
• M31: 45,912,484 km (0.102 R)
• M32: 46,396,882 km (0.08 R)
• M33: 48,702,484 km (0.07 R)
• M34: 56,628,928 km (0.053 R)
• M35: 57,559,426 km (0.116 R)
• M36: 61,970,918 km (0.078 R)
• M37: 62,167,639 km (0.082 R)
• M38: 65,985,676 km (0.068 R)
• M39: 71,028,171 km (0.105 R)
• M40: 71,459,462 km (0.057 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 534.6

Radius: 3.5

Gravity: 43.64 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 8.85 AU - 12.81 AU

Year: 23767 Days

Day: 19.1 Hours

Environment

Temp: -246 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 78,594,916 km

• M1: 43,982 km (0.044 R)
• M2: 254,466 km (0.082 R)
• M3: 501,602 km (0.116 R)
• M4: 791,971 km (0.033 R)
• M5: 962,363 km (0.12 R)
• M6: 1,198,728 km (0.059 R)
• M7: 1,440,179 km (0.045 R)
• M8: 1,731,147 km (0.079 R)
• M9: 2,522,220 km (0.107 R)
• M10: 3,130,934 km (0.06 R)
• M11: 3,382,557 km (0.118 R)
• M12: 3,498,795 km (0.027 R)
• M13: 3,831,949 km (0.081 R)
• M14: 5,339,447 km (0.051 R)
• M15: 6,031,038 km (0.119 R)
• M16: 7,297,384 km (0.047 R)
• M17: 8,622,522 km (0.076 R)
• M18: 9,980,721 km (0.05 R)
• M19: 10,341,402 km (0.064 R)
• M20: 11,280,727 km (0.03 R)
• M21: 11,410,129 km (0.058 R)
• M22: 14,286,597 km (0.09 R)
• M23: 14,590,729 km (0.106 R)
• M24: 16,012,806 km (0.047 R)
• M25: 16,841,579 km (0.068 R)
• M26: 17,095,596 km (0.071 R)
• M27: 22,117,297 km (0.104 R)
• M28: 22,524,203 km (0.111 R)
• M29: 27,451,209 km (0.088 R)
• M30: 27,803,063 km (0.103 R)
• M31: 32,654,971 km (0.11 R)
• M32: 33,050,059 km (0.073 R)
• M33: 35,904,835 km (0.081 R)
• M34: 36,325,654 km (0.076 R)
• M35: 41,788,968 km (0.054 R)
• M36: 43,354,211 km (0.11 R)
• M37: 43,671,957 km (0.093 R)
• M38: 46,934,537 km (0.104 R)
• M39: 47,269,486 km (0.033 R)
• M40: 54,491,772 km (0.102 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 282 - 15,557 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit