🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.2

Radius: 8.6

Gravity: 11.24 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.58 AU - 0.78 AU

Year: 380 Days

Day: 14.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,064,455 km

• M1: 107,710 km (0.096 R)
• M2: 659,278 km (0.094 R)
• M3: 1,045,988 km (0.059 R)
• M4: 1,369,868 km (0.105 R)
• M5: 1,738,477 km (0.077 R)
• M6: 2,314,578 km (0.102 R)
• M7: 3,190,474 km (0.1 R)
• M8: 4,161,813 km (0.079 R)
• M9: 4,745,693 km (0.093 R)
• M10: 5,464,661 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.2

Radius: 11.8

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.95 AU - 1.25 AU

Year: 782 Days

Day: 14 Hours

Environment

Temp: -169 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,064,455 km

• M1: 146,756 km (0.096 R)
• M2: 753,524 km (0.117 R)
• M3: 1,212,640 km (0.118 R)
• M4: 1,628,971 km (0.112 R)
• M5: 2,019,721 km (0.093 R)
• M6: 2,452,657 km (0.047 R)
• M7: 2,971,762 km (0.087 R)
• M8: 3,468,427 km (0.065 R)
• M9: 4,110,201 km (0.081 R)
• M10: 4,483,897 km (0.071 R)
• M11: 5,000,608 km (0.099 R)
• M12: 5,744,708 km (0.047 R)
• M13: 6,623,895 km (0.106 R)
• M14: 7,008,660 km (0.102 R)
• M15: 7,476,303 km (0.099 R)
• M16: 8,180,610 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714

Radius: 8.7

Gravity: 9.43 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.4 AU - 1.98 AU

Year: 1490 Days

Day: 13.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,064,455 km

• M1: 108,159 km (0.09 R)
• M2: 456,124 km (0.09 R)
• M3: 949,797 km (0.116 R)
• M4: 1,410,110 km (0.099 R)
• M5: 1,927,120 km (0.099 R)
• M6: 2,218,536 km (0.079 R)
• M7: 3,006,169 km (0.094 R)
• M8: 3,369,393 km (0.115 R)
• M9: 4,004,286 km (0.074 R)
• M10: 4,696,924 km (0.062 R)
• M11: 5,401,830 km (0.102 R)
• M12: 7,417,362 km (0.117 R)
• M13: 7,773,255 km (0.098 R)
• M14: 9,791,181 km (0.085 R)
• M15: 10,557,870 km (0.059 R)
• M16: 11,727,127 km (0.114 R)
• M17: 12,514,909 km (0.11 R)
• M18: 13,538,458 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.6

Radius: 13.2

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.2 AU - 2.6 AU

Year: 2522 Days

Day: 13.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,064,455 km

• M1: 181,462 km (0.115 R)
• M2: 766,091 km (0.026 R)
• M3: 1,351,318 km (0.083 R)
• M4: 1,985,014 km (0.081 R)
• M5: 2,450,563 km (0.106 R)
• M6: 2,875,271 km (0.112 R)
• M7: 3,550,406 km (0.059 R)
• M8: 4,077,888 km (0.074 R)
• M9: 5,903,730 km (0.08 R)
• M10: 6,647,830 km (0.102 R)
• M11: 7,361,113 km (0.102 R)
• M12: 8,323,775 km (0.098 R)
• M13: 10,266,004 km (0.096 R)
• M14: 11,760,786 km (0.108 R)
• M15: 15,532,897 km (0.114 R)
• M16: 18,975,144 km (0.103 R)
• M17: 20,288,463 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.4

Radius: 10.2

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.32 AU - 3.82 AU

Year: 4575 Days

Day: 11.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,064,455 km

• M1: 127,308 km (0.025 R)
• M2: 593,305 km (0.076 R)
• M3: 939,026 km (0.053 R)
• M4: 2,069,986 km (0.09 R)
• M5: 2,523,566 km (0.097 R)
• M6: 4,432,884 km (0.096 R)
• M7: 5,114,153 km (0.072 R)
• M8: 5,807,988 km (0.086 R)
• M9: 7,514,600 km (0.072 R)
• M10: 8,162,957 km (0.115 R)
• M11: 9,649,960 km (0.073 R)
• M12: 11,530,106 km (0.04 R)
• M13: 13,942,671 km (0.089 R)
• M14: 16,844,571 km (0.113 R)
• M15: 18,927,123 km (0.096 R)
• M16: 23,098,510 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.4

Radius: 14.2

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.68 AU - 3.9 AU

Year: 5004 Days

Day: 11.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,064,455 km

• M1: 421,417 km (0.11 R)
• M2: 1,300,903 km (0.107 R)
• M3: 2,981,037 km (0.062 R)
• M4: 3,764,630 km (0.098 R)
• M5: 4,374,990 km (0.117 R)
• M6: 4,910,251 km (0.101 R)
• M7: 6,612,824 km (0.059 R)
• M8: 7,351,389 km (0.099 R)
• M9: 9,422,123 km (0.074 R)
• M10: 11,273,845 km (0.107 R)
• M11: 11,730,418 km (0.04 R)
• M12: 12,592,401 km (0.054 R)
• M13: 14,106,331 km (0.108 R)
• M14: 15,031,444 km (0.119 R)
• M15: 20,642,561 km (0.046 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 646

Radius: 5.3

Gravity: 23 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 5.63 AU - 5.67 AU

Year: 9109 Days

Day: 23.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 65,064,455 km

• M1: 65,973 km (0.087 R)
• M2: 392,994 km (0.079 R)
• M3: 575,054 km (0.076 R)
• M4: 805,884 km (0.11 R)
• M5: 1,329,626 km (0.084 R)
• M6: 1,799,363 km (0.056 R)
• M7: 2,210,608 km (0.086 R)
• M8: 3,380,313 km (0.043 R)
• M9: 4,973,980 km (0.11 R)
• M10: 5,191,345 km (0.095 R)
• M11: 5,512,981 km (0.091 R)
• M12: 6,375,263 km (0.114 R)
• M13: 7,126,992 km (0.096 R)
• M14: 7,323,863 km (0.052 R)
• M15: 7,728,525 km (0.08 R)
• M16: 8,319,886 km (0.049 R)
• M17: 9,123,825 km (0.1 R)
• M18: 9,402,974 km (0.074 R)
• M19: 12,687,994 km (0.117 R)
• M20: 12,919,272 km (0.114 R)
• M21: 13,153,243 km (0.067 R)
• M22: 17,435,333 km (0.091 R)
• M23: 19,966,229 km (0.119 R)
• M24: 21,728,343 km (0.069 R)
• M25: 25,101,924 km (0.084 R)
• M26: 26,206,405 km (0.06 R)
• M27: 27,246,859 km (0.052 R)
• M28: 27,631,924 km (0.097 R)
• M29: 34,746,050 km (0.092 R)
• M30: 38,358,988 km (0.109 R)
• M31: 38,842,638 km (0.092 R)
• M32: 42,600,836 km (0.117 R)
• M33: 42,859,640 km (0.095 R)
• M34: 44,169,519 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 912.8

Radius: 7.4

Gravity: 16.67 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 6.13 AU - 6.17 AU

Year: 10344 Days

Day: 23.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 65,064,455 km

• M1: 92,003 km (0.088 R)
• M2: 390,750 km (0.046 R)
• M3: 730,337 km (0.111 R)
• M4: 974,630 km (0.112 R)
• M5: 1,378,544 km (0.097 R)
• M6: 1,681,031 km (0.111 R)
• M7: 2,522,071 km (0.094 R)
• M8: 3,000,933 km (0.116 R)
• M9: 3,461,994 km (0.107 R)
• M10: 4,197,417 km (0.115 R)
• M11: 4,434,230 km (0.094 R)
• M12: 4,870,159 km (0.093 R)
• M13: 5,648,217 km (0.086 R)
• M14: 7,405,843 km (0.116 R)
• M15: 8,110,299 km (0.098 R)
• M16: 9,101,684 km (0.056 R)
• M17: 9,857,752 km (0.052 R)
• M18: 10,654,959 km (0.076 R)
• M19: 11,667,437 km (0.089 R)
• M20: 13,178,076 km (0.06 R)
• M21: 14,277,022 km (0.103 R)
• M22: 14,746,909 km (0.112 R)
• M23: 15,646,740 km (0.113 R)
• M24: 18,804,153 km (0.11 R)
• M25: 24,489,171 km (0.113 R)
• M26: 24,872,441 km (0.072 R)
• M27: 26,046,036 km (0.092 R)
• M28: 29,355,590 km (0.115 R)
• M29: 31,786,855 km (0.071 R)
• M30: 32,128,536 km (0.093 R)
• M31: 36,049,646 km (0.034 R)
• M32: 46,708,046 km (0.116 R)
• M33: 47,445,563 km (0.088 R)
• M34: 52,668,474 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 824.1

Radius: 4.4

Gravity: 42.57 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 6.61 AU - 7.97 AU

Year: 13350 Days

Day: 17.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 65,064,455 km

• M1: 54,753 km (0.104 R)
• M2: 227,838 km (0.072 R)
• M3: 391,348 km (0.081 R)
• M4: 556,205 km (0.116 R)
• M5: 815,907 km (0.115 R)
• M6: 1,469,350 km (0.104 R)
• M7: 1,624,034 km (0.082 R)
• M8: 3,416,666 km (0.061 R)
• M9: 3,803,077 km (0.085 R)
• M10: 4,761,999 km (0.11 R)
• M11: 4,964,555 km (0.093 R)
• M12: 5,910,163 km (0.025 R)
• M13: 6,841,709 km (0.109 R)
• M14: 11,133,822 km (0.109 R)
• M15: 12,041,432 km (0.102 R)
• M16: 12,228,728 km (0.114 R)
• M17: 14,559,912 km (0.032 R)
• M18: 15,866,799 km (0.07 R)
• M19: 18,133,655 km (0.101 R)
• M20: 19,472,257 km (0.079 R)
• M21: 20,696,417 km (0.087 R)
• M22: 21,601,633 km (0.077 R)
• M23: 26,421,228 km (0.102 R)
• M24: 27,593,626 km (0.109 R)
• M25: 27,919,301 km (0.059 R)
• M26: 32,029,951 km (0.097 R)
• M27: 39,197,036 km (0.098 R)
• M28: 40,860,414 km (0.108 R)
• M29: 41,001,186 km (0.077 R)
• M30: 53,841,620 km (0.081 R)
• M31: 56,765,510 km (0.08 R)
• M32: 57,116,317 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 389.7

Radius: 7.3

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 9.05 AU - 10.65 AU

Year: 20967 Days

Day: 23.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 65,064,455 km

• M1: 90,806 km (0.07 R)
• M2: 508,932 km (0.104 R)
• M3: 850,763 km (0.112 R)
• M4: 1,471,744 km (0.114 R)
• M5: 2,160,492 km (0.091 R)
• M6: 2,852,682 km (0.076 R)
• M7: 3,224,433 km (0.11 R)
• M8: 3,489,819 km (0.115 R)
• M9: 3,827,611 km (0.09 R)
• M10: 5,220,666 km (0.037 R)
• M11: 6,497,933 km (0.098 R)
• M12: 10,096,061 km (0.102 R)
• M13: 11,440,198 km (0.089 R)
• M14: 14,336,712 km (0.099 R)
• M15: 14,693,952 km (0.037 R)
• M16: 15,726,177 km (0.089 R)
• M17: 17,043,536 km (0.11 R)
• M18: 21,621,380 km (0.088 R)
• M19: 24,544,672 km (0.113 R)
• M20: 24,850,899 km (0.08 R)
• M21: 29,179,364 km (0.062 R)
• M22: 34,492,781 km (0.111 R)
• M23: 41,562,028 km (0.088 R)
• M24: 46,984,502 km (0.117 R)
• M25: 48,410,170 km (0.112 R)
• M26: 55,096,896 km (0.115 R)
• M27: 59,024,438 km (0.101 R)
• M28: 64,675,348 km (0.081 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 467 - 13,214 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit