🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.6

Radius: 11.6

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.67 AU - 0.91 AU

Year: 446 Days

Day: 10.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,672,741 km

• M1: 144,212 km (0.079 R)
• M2: 516,262 km (0.064 R)
• M3: 1,145,172 km (0.107 R)
• M4: 1,546,692 km (0.098 R)
• M5: 1,916,947 km (0.101 R)
• M6: 2,475,695 km (0.03 R)
• M7: 3,019,035 km (0.102 R)
• M8: 3,483,237 km (0.09 R)
• M9: 3,946,392 km (0.111 R)
• M10: 4,346,267 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.3

Radius: 8.8

Gravity: 10.14 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.87 AU - 1.11 AU

Year: 626 Days

Day: 11.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 83,672,741 km

• M1: 109,506 km (0.096 R)
• M2: 421,567 km (0.083 R)
• M3: 972,386 km (0.107 R)
• M4: 1,304,194 km (0.06 R)
• M5: 1,592,769 km (0.085 R)
• M6: 1,986,959 km (0.117 R)
• M7: 2,312,035 km (0.116 R)
• M8: 2,820,219 km (0.056 R)
• M9: 3,119,864 km (0.07 R)
• M10: 4,134,287 km (0.074 R)
• M11: 4,651,746 km (0.112 R)
• M12: 4,986,097 km (0.032 R)
• M13: 5,300,552 km (0.077 R)
• M14: 5,835,364 km (0.109 R)
• M15: 6,284,607 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.5

Radius: 8.8

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.42 AU - 2 AU

Year: 1422 Days

Day: 5.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 72.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,672,741 km

• M1: 109,506 km (0.064 R)
• M2: 795,412 km (0.1 R)
• M3: 1,086,978 km (0.098 R)
• M4: 1,508,545 km (0.027 R)
• M5: 1,945,670 km (0.086 R)
• M6: 2,914,017 km (0.076 R)
• M7: 4,813,012 km (0.118 R)
• M8: 8,712,580 km (0.096 R)
• M9: 10,461,977 km (0.116 R)
• M10: 10,748,009 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.6

Radius: 10.9

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.78 AU - 4.52 AU

Year: 4434 Days

Day: 8.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 83,672,741 km

• M1: 138,378 km (0.099 R)
• M2: 510,578 km (0.119 R)
• M3: 849,866 km (0.085 R)
• M4: 1,306,887 km (0.098 R)
• M5: 1,734,438 km (0.092 R)
• M6: 2,145,233 km (0.059 R)
• M7: 2,580,114 km (0.071 R)
• M8: 3,246,274 km (0.116 R)
• M9: 6,522,617 km (0.058 R)
• M10: 7,671,379 km (0.107 R)
• M11: 8,324,673 km (0.088 R)
• M12: 9,144,020 km (0.061 R)
• M13: 9,878,546 km (0.031 R)
• M14: 12,681,112 km (0.111 R)
• M15: 15,413,667 km (0.063 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 910

Radius: 4.4

Gravity: 47 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 4.63 AU - 7.69 AU

Year: 9721 Days

Day: 16.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 83,672,741 km

• M1: 54,753 km (0.091 R)
• M2: 286,779 km (0.111 R)
• M3: 823,686 km (0.115 R)
• M4: 1,140,684 km (0.109 R)
• M5: 1,354,010 km (0.119 R)
• M6: 2,778,631 km (0.08 R)
• M7: 3,385,400 km (0.092 R)
• M8: 3,588,703 km (0.098 R)
• M9: 4,019,844 km (0.112 R)
• M10: 4,545,382 km (0.08 R)
• M11: 4,699,168 km (0.079 R)
• M12: 5,181,472 km (0.109 R)
• M13: 5,947,413 km (0.119 R)
• M14: 6,281,615 km (0.045 R)
• M15: 6,946,876 km (0.094 R)
• M16: 8,188,239 km (0.089 R)
• M17: 9,977,280 km (0.086 R)
• M18: 10,771,346 km (0.052 R)
• M19: 12,128,348 km (0.081 R)
• M20: 14,305,446 km (0.092 R)
• M21: 16,081,921 km (0.071 R)
• M22: 16,224,487 km (0.094 R)
• M23: 19,901,753 km (0.096 R)
• M24: 21,932,993 km (0.066 R)
• M25: 28,119,613 km (0.083 R)
• M26: 28,953,172 km (0.082 R)
• M27: 30,018,159 km (0.109 R)
• M28: 30,234,178 km (0.114 R)
• M29: 38,722,661 km (0.104 R)
• M30: 39,753,689 km (0.12 R)
• M31: 43,922,234 km (0.094 R)
• M32: 45,896,776 km (0.119 R)
• M33: 49,870,245 km (0.09 R)
• M34: 50,021,638 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 709.1

Radius: 5.1

Gravity: 27.26 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 6.69 AU - 7.73 AU

Year: 12309 Days

Day: 20.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 83,672,741 km

• M1: 63,429 km (0.082 R)
• M2: 508,483 km (0.113 R)
• M3: 776,263 km (0.068 R)
• M4: 1,007,691 km (0.091 R)
• M5: 1,491,491 km (0.112 R)
• M6: 1,886,280 km (0.116 R)
• M7: 2,154,808 km (0.058 R)
• M8: 2,347,789 km (0.09 R)
• M9: 3,363,259 km (0.119 R)
• M10: 4,010,719 km (0.11 R)
• M11: 4,244,092 km (0.029 R)
• M12: 5,620,691 km (0.081 R)
• M13: 6,138,898 km (0.072 R)
• M14: 7,142,999 km (0.065 R)
• M15: 8,581,981 km (0.041 R)
• M16: 9,218,071 km (0.083 R)
• M17: 11,899,912 km (0.107 R)
• M18: 12,260,443 km (0.082 R)
• M19: 13,579,597 km (0.065 R)
• M20: 18,497,478 km (0.064 R)
• M21: 20,913,483 km (0.066 R)
• M22: 22,605,585 km (0.05 R)
• M23: 22,788,992 km (0.064 R)
• M24: 23,625,992 km (0.108 R)
• M25: 24,773,557 km (0.113 R)
• M26: 25,558,946 km (0.115 R)
• M27: 25,957,923 km (0.086 R)
• M28: 29,408,548 km (0.082 R)
• M29: 33,986,093 km (0.076 R)
• M30: 36,317,725 km (0.114 R)
• M31: 40,617,019 km (0.104 R)
• M32: 42,399,777 km (0.035 R)
• M33: 42,958,674 km (0.105 R)
• M34: 43,806,296 km (0.034 R)
• M35: 47,457,830 km (0.119 R)
• M36: 48,820,517 km (0.033 R)
• M37: 49,126,744 km (0.116 R)
• M38: 49,743,237 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 34.2

Radius: 5.2

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 7.35 AU - 9.51 AU

Year: 15562 Days

Day: 17.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 83,672,741 km

• M1: 64,626 km (0.101 R)
• M2: 709,244 km (0.1 R)
• M3: 1,186,012 km (0.115 R)
• M4: 1,424,172 km (0.099 R)
• M5: 4,083,872 km (0.087 R)
• M6: 5,068,974 km (0.111 R)
• M7: 6,145,780 km (0.079 R)
• M8: 6,437,047 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 785.3

Radius: 7.6

Gravity: 13.6 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 8.7 AU - 12.24 AU

Year: 21540 Days

Day: 15.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 83,672,741 km

• M1: 110,852 km (0.042 R)
• M2: 436,826 km (0.088 R)
• M3: 1,235,529 km (0.113 R)
• M4: 1,580,502 km (0.086 R)
• M5: 3,739,648 km (0.11 R)
• M6: 4,259,650 km (0.077 R)
• M7: 5,770,887 km (0.116 R)
• M8: 7,214,058 km (0.055 R)
• M9: 7,761,437 km (0.102 R)
• M10: 14,851,029 km (0.102 R)
• M11: 21,901,577 km (0.12 R)
• M12: 26,490,342 km (0.109 R)
• M13: 31,944,381 km (0.113 R)
• M14: 33,416,125 km (0.064 R)
• M15: 35,495,236 km (0.106 R)
• M16: 43,369,769 km (0.088 R)
• M17: 45,840,528 km (0.049 R)
• M18: 49,808,761 km (0.086 R)
• M19: 56,470,204 km (0.113 R)
• M20: 57,830,946 km (0.076 R)
• M21: 59,612,358 km (0.113 R)
• M22: 60,415,848 km (0.099 R)
• M23: 60,820,211 km (0.081 R)
• M24: 74,270,556 km (0.118 R)
• M25: 79,240,197 km (0.053 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 186 - 18,475 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit