🌌 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: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886

Radius: 14.8

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.47 AU - 0.67 AU

Year: 297 Days

Day: 12.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,262,117 km

• M1: 185,202 km (0.061 R)
• M2: 656,735 km (0.097 R)
• M3: 1,145,172 km (0.101 R)
• M4: 1,648,269 km (0.059 R)
• M5: 2,344,199 km (0.103 R)
• M6: 3,689,831 km (0.1 R)
• M7: 4,320,985 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.9

Radius: 14.9

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.63 AU - 0.69 AU

Year: 370 Days

Day: 6.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,262,117 km

• M1: 185,352 km (0.083 R)
• M2: 669,301 km (0.101 R)
• M3: 1,302,249 km (0.095 R)
• M4: 1,774,829 km (0.084 R)
• M5: 2,307,547 km (0.108 R)
• M6: 3,075,283 km (0.041 R)
• M7: 3,819,832 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.7

Radius: 10.8

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.68 AU - 0.9 AU

Year: 485 Days

Day: 9.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,262,117 km

• M1: 134,488 km (0.114 R)
• M2: 562,787 km (0.086 R)
• M3: 903,870 km (0.106 R)
• M4: 1,240,914 km (0.087 R)
• M5: 1,689,110 km (0.101 R)
• M6: 2,111,125 km (0.112 R)
• M7: 2,528,354 km (0.088 R)
• M8: 2,954,558 km (0.097 R)
• M9: 3,357,874 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.3

Radius: 10.7

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.72 AU - 1.18 AU

Year: 639 Days

Day: 13 Hours

Environment

Temp: -170 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,262,117 km

• M1: 133,292 km (0.073 R)
• M2: 466,745 km (0.086 R)
• M3: 842,236 km (0.101 R)
• M4: 1,233,734 km (0.061 R)
• M5: 1,707,211 km (0.1 R)
• M6: 2,069,986 km (0.068 R)
• M7: 2,580,264 km (0.084 R)
• M8: 2,930,473 km (0.062 R)
• M9: 3,364,307 km (0.101 R)
• M10: 4,014,309 km (0.118 R)
• M11: 4,503,345 km (0.091 R)
• M12: 4,946,603 km (0.117 R)
• M13: 5,638,344 km (0.108 R)
• M14: 6,413,560 km (0.078 R)
• M15: 7,280,330 km (0.091 R)
• M16: 7,776,845 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.7

Radius: 10.2

Gravity: 7.23 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.52 AU - 1.62 AU

Year: 1358 Days

Day: 11.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,262,117 km

• M1: 127,009 km (0.089 R)
• M2: 465,698 km (0.083 R)
• M3: 888,163 km (0.106 R)
• M4: 1,259,016 km (0.088 R)
• M5: 1,620,743 km (0.103 R)
• M6: 2,232,299 km (0.045 R)
• M7: 2,810,495 km (0.081 R)
• M8: 3,135,571 km (0.109 R)
• M9: 4,563,483 km (0.086 R)
• M10: 5,015,269 km (0.092 R)
• M11: 6,336,068 km (0.099 R)
• M12: 7,232,459 km (0.096 R)
• M13: 7,930,931 km (0.095 R)
• M14: 10,397,202 km (0.105 R)
• M15: 10,904,488 km (0.108 R)
• M16: 12,041,731 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.8

Radius: 11.6

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.55 AU - 2.31 AU

Year: 1851 Days

Day: 7.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 53,262,117 km

• M1: 144,661 km (0.109 R)
• M2: 582,385 km (0.103 R)
• M3: 1,076,057 km (0.073 R)
• M4: 2,154,957 km (0.046 R)
• M5: 2,964,132 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.9

Radius: 10.7

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.79 AU - 2.95 AU

Year: 2518 Days

Day: 12.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,262,117 km

• M1: 133,441 km (0.101 R)
• M2: 483,351 km (0.083 R)
• M3: 935,884 km (0.103 R)
• M4: 1,432,549 km (0.043 R)
• M5: 1,898,995 km (0.06 R)
• M6: 2,479,435 km (0.089 R)
• M7: 4,582,183 km (0.06 R)
• M8: 5,365,627 km (0.094 R)
• M9: 5,777,171 km (0.03 R)
• M10: 6,209,957 km (0.086 R)
• M11: 6,609,533 km (0.095 R)
• M12: 7,083,310 km (0.079 R)
• M13: 7,609,445 km (0.074 R)
• M14: 8,972,431 km (0.074 R)
• M15: 9,943,471 km (0.054 R)
• M16: 11,450,371 km (0.059 R)
• M17: 12,466,290 km (0.106 R)
• M18: 13,147,409 km (0.113 R)
• M19: 13,763,453 km (0.027 R)
• M20: 14,817,519 km (0.059 R)
• M21: 15,340,214 km (0.109 R)
• M22: 17,502,352 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.9

Radius: 13.7

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.77 AU - 3.73 AU

Year: 4044 Days

Day: 9.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 53,262,117 km

• M1: 170,392 km (0.065 R)
• M2: 948,301 km (0.086 R)
• M3: 1,380,340 km (0.065 R)
• M4: 1,807,890 km (0.119 R)
• M5: 2,687,227 km (0.063 R)
• M6: 3,330,049 km (0.111 R)
• M7: 4,231,077 km (0.117 R)
• M8: 4,727,293 km (0.081 R)
• M9: 5,724,961 km (0.088 R)
• M10: 7,115,473 km (0.101 R)
• M11: 8,280,242 km (0.093 R)
• M12: 9,099,290 km (0.104 R)
• M13: 9,568,429 km (0.045 R)
• M14: 10,177,592 km (0.061 R)
• M15: 12,022,283 km (0.116 R)
• M16: 13,520,207 km (0.115 R)
• M17: 14,288,242 km (0.062 R)
• M18: 14,869,729 km (0.113 R)
• M19: 16,250,368 km (0.091 R)
• M20: 17,594,654 km (0.108 R)
• M21: 18,510,493 km (0.096 R)
• M22: 19,011,795 km (0.083 R)
• M23: 19,780,728 km (0.092 R)
• M24: 22,072,418 km (0.079 R)
• M25: 22,565,343 km (0.108 R)
• M26: 25,065,123 km (0.116 R)
• M27: 25,834,206 km (0.062 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 984.2

Radius: 3.1

Gravity: 102.41 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 6.17 AU - 9.93 AU

Year: 15765 Days

Day: 19.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 53,262,117 km

• M1: 40,391 km (0.079 R)
• M2: 158,873 km (0.074 R)
• M3: 633,248 km (0.097 R)
• M4: 906,413 km (0.093 R)
• M5: 1,281,605 km (0.11 R)
• M6: 1,861,746 km (0.088 R)
• M7: 2,075,670 km (0.086 R)
• M8: 2,393,416 km (0.064 R)
• M9: 2,742,578 km (0.109 R)
• M10: 3,687,887 km (0.093 R)
• M11: 4,184,851 km (0.102 R)
• M12: 5,197,030 km (0.053 R)
• M13: 6,066,044 km (0.111 R)
• M14: 6,622,847 km (0.053 R)
• M15: 7,496,499 km (0.107 R)
• M16: 7,985,983 km (0.114 R)
• M17: 8,600,980 km (0.046 R)
• M18: 8,920,072 km (0.078 R)
• M19: 9,752,285 km (0.096 R)
• M20: 10,695,350 km (0.029 R)
• M21: 13,036,706 km (0.111 R)
• M22: 15,077,820 km (0.106 R)
• M23: 15,934,866 km (0.116 R)
• M24: 17,154,986 km (0.082 R)
• M25: 17,490,684 km (0.035 R)
• M26: 17,916,290 km (0.102 R)
• M27: 19,144,788 km (0.1 R)
• M28: 21,865,973 km (0.106 R)
• M29: 22,359,795 km (0.066 R)
• M30: 25,048,069 km (0.064 R)
• M31: 25,479,809 km (0.109 R)
• M32: 26,358,247 km (0.071 R)
• M33: 27,256,732 km (0.105 R)
• M34: 28,291,650 km (0.084 R)
• M35: 28,408,336 km (0.102 R)
• M36: 34,124,621 km (0.119 R)
• M37: 37,390,492 km (0.098 R)
• M38: 37,671,586 km (0.107 R)
• M39: 40,119,007 km (0.084 R)
• M40: 41,007,469 km (0.088 R)
• M41: 43,285,845 km (0.09 R)
• M42: 51,314,164 km (0.08 R)
• M43: 56,319,110 km (0.099 R)
• M44: 66,047,610 km (0.114 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 227.9

Radius: 7.3

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 8.11 AU - 10.95 AU

Year: 20307 Days

Day: 24.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,262,117 km

• M1: 91,703 km (0.101 R)
• M2: 347,366 km (0.045 R)
• M3: 1,705,715 km (0.09 R)
• M4: 3,468,277 km (0.09 R)
• M5: 5,099,343 km (0.095 R)
• M6: 6,384,688 km (0.119 R)
• M7: 6,657,704 km (0.105 R)
• M8: 8,232,969 km (0.049 R)
• M9: 8,937,126 km (0.1 R)
• M10: 12,947,845 km (0.117 R)
• M11: 18,961,081 km (0.102 R)
• M12: 19,854,330 km (0.059 R)
• M13: 20,605,760 km (0.052 R)
• M14: 24,745,582 km (0.084 R)
• M15: 25,615,643 km (0.119 R)
• M16: 29,193,725 km (0.117 R)
• M17: 31,046,196 km (0.032 R)
• M18: 31,381,145 km (0.098 R)
• M19: 37,197,211 km (0.092 R)
• M20: 42,037,002 km (0.118 R)
• M21: 45,967,087 km (0.119 R)
• M22: 47,280,557 km (0.118 R)
• M23: 48,319,215 km (0.058 R)
• M24: 52,153,258 km (0.116 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 177 - 16,954 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit