🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.4

Radius: 12.9

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.58 AU - 0.8 AU

Year: 364 Days

Day: 9.6 Hours

Environment

Temp: -138 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,581,331 km

• M1: 160,519 km (0.049 R)
• M2: 653,443 km (0.103 R)
• M3: 1,238,222 km (0.058 R)
• M4: 2,147,178 km (0.056 R)
• M5: 2,648,331 km (0.096 R)
• M6: 3,205,733 km (0.054 R)
• M7: 3,939,959 km (0.053 R)
• M8: 4,367,659 km (0.101 R)
• M9: 4,869,710 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.1

Radius: 8.9

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.89 AU - 0.91 AU

Year: 543 Days

Day: 10.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 46,581,331 km

• M1: 110,702 km (0.06 R)
• M2: 517,609 km (0.102 R)
• M3: 1,396,047 km (0.111 R)
• M4: 2,561,265 km (0.037 R)
• M5: 3,911,835 km (0.103 R)
• M6: 4,638,282 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.7

Radius: 12.7

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.1 AU - 3.12 AU

Year: 2681 Days

Day: 7.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,581,331 km

• M1: 168,597 km (0.117 R)
• M2: 584,479 km (0.104 R)
• M3: 2,613,325 km (0.098 R)
• M4: 3,213,512 km (0.097 R)
• M5: 5,174,441 km (0.112 R)
• M6: 5,583,741 km (0.089 R)
• M7: 6,398,600 km (0.113 R)
• M8: 7,341,665 km (0.104 R)
• M9: 7,993,613 km (0.119 R)
• M10: 8,740,704 km (0.071 R)
• M11: 9,205,056 km (0.108 R)
• M12: 9,777,866 km (0.09 R)
• M13: 11,399,657 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.7

Radius: 11.7

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.4 AU - 3.68 AU

Year: 3370 Days

Day: 12.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 115.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,581,331 km

• M1: 154,086 km (0.098 R)
• M2: 599,887 km (0.11 R)
• M3: 1,277,416 km (0.064 R)
• M4: 1,783,655 km (0.11 R)
• M5: 2,263,266 km (0.106 R)
• M6: 2,996,894 km (0.107 R)
• M7: 3,602,018 km (0.055 R)
• M8: 4,353,896 km (0.115 R)
• M9: 5,385,673 km (0.083 R)
• M10: 5,836,112 km (0.099 R)
• M11: 6,311,684 km (0.044 R)
• M12: 7,729,722 km (0.083 R)
• M13: 10,041,757 km (0.053 R)
• M14: 11,789,359 km (0.089 R)
• M15: 15,505,819 km (0.07 R)
• M16: 16,752,269 km (0.102 R)
• M17: 22,208,701 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.7

Radius: 12.6

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.17 AU - 3.33 AU

Year: 3725 Days

Day: 14.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,581,331 km

• M1: 156,779 km (0.06 R)
• M2: 632,350 km (0.055 R)
• M3: 1,026,989 km (0.092 R)
• M4: 1,617,452 km (0.104 R)
• M5: 2,295,579 km (0.072 R)
• M6: 2,709,965 km (0.079 R)
• M7: 3,672,628 km (0.104 R)
• M8: 6,562,709 km (0.057 R)
• M9: 7,772,806 km (0.084 R)
• M10: 8,360,127 km (0.1 R)
• M11: 9,430,500 km (0.095 R)
• M12: 10,059,110 km (0.11 R)
• M13: 11,399,956 km (0.101 R)
• M14: 12,022,882 km (0.112 R)
• M15: 12,715,221 km (0.099 R)
• M16: 13,336,650 km (0.069 R)
• M17: 15,058,222 km (0.082 R)
• M18: 16,415,374 km (0.06 R)
• M19: 17,675,736 km (0.096 R)
• M20: 18,090,123 km (0.066 R)
• M21: 20,003,330 km (0.086 R)
• M22: 22,806,046 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884

Radius: 9.1

Gravity: 10.68 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.59 AU - 4.29 AU

Year: 4057 Days

Day: 9.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,581,331 km

• M1: 151,094 km (0.099 R)
• M2: 473,477 km (0.118 R)
• M3: 1,193,641 km (0.094 R)
• M4: 1,738,626 km (0.116 R)
• M5: 5,115,499 km (0.102 R)
• M6: 6,642,445 km (0.106 R)
• M7: 7,935,868 km (0.081 R)
• M8: 8,489,978 km (0.071 R)
• M9: 10,308,191 km (0.117 R)
• M10: 12,082,122 km (0.069 R)
• M11: 13,630,610 km (0.092 R)
• M12: 14,588,186 km (0.103 R)
• M13: 17,056,551 km (0.113 R)
• M14: 19,130,426 km (0.108 R)
• M15: 19,991,661 km (0.119 R)
• M16: 20,602,918 km (0.092 R)
• M17: 20,947,891 km (0.07 R)
• M18: 22,438,933 km (0.12 R)
• M19: 23,099,108 km (0.092 R)
• M20: 24,767,423 km (0.036 R)
• M21: 26,110,513 km (0.107 R)
• M22: 27,835,676 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.6

Radius: 11.9

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.55 AU - 5.07 AU

Year: 5689 Days

Day: 6.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,581,331 km

• M1: 147,952 km (0.079 R)
• M2: 611,406 km (0.047 R)
• M3: 1,053,019 km (0.085 R)
• M4: 1,649,616 km (0.111 R)
• M5: 2,020,170 km (0.057 R)
• M6: 2,648,481 km (0.111 R)
• M7: 3,222,039 km (0.08 R)
• M8: 3,678,312 km (0.118 R)
• M9: 4,201,307 km (0.098 R)
• M10: 5,257,318 km (0.081 R)
• M11: 5,685,317 km (0.101 R)
• M12: 6,941,790 km (0.081 R)
• M13: 7,889,343 km (0.034 R)
• M14: 9,325,333 km (0.117 R)
• M15: 10,301,758 km (0.105 R)
• M16: 12,013,906 km (0.093 R)
• M17: 14,508,151 km (0.11 R)
• M18: 16,231,967 km (0.098 R)
• M19: 22,964,021 km (0.106 R)
• M20: 28,826,462 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.4

Radius: 9.7

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4.79 AU - 6.75 AU

Year: 8812 Days

Day: 13.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 46,581,331 km

• M1: 120,576 km (0.085 R)
• M2: 572,960 km (0.099 R)
• M3: 926,759 km (0.078 R)
• M4: 2,010,446 km (0.072 R)
• M5: 2,356,914 km (0.09 R)
• M6: 2,704,580 km (0.102 R)
• M7: 3,214,559 km (0.047 R)
• M8: 3,836,138 km (0.068 R)
• M9: 4,267,429 km (0.112 R)
• M10: 7,845,660 km (0.057 R)
• M11: 8,584,823 km (0.074 R)
• M12: 9,641,732 km (0.114 R)
• M13: 10,296,971 km (0.064 R)
• M14: 10,931,864 km (0.11 R)
• M15: 12,065,367 km (0.075 R)
• M16: 12,937,673 km (0.09 R)
• M17: 13,851,566 km (0.091 R)
• M18: 16,193,670 km (0.107 R)
• M19: 17,052,212 km (0.076 R)
• M20: 22,284,548 km (0.05 R)
• M21: 26,733,887 km (0.08 R)
• M22: 28,592,043 km (0.103 R)
• M23: 30,041,197 km (0.049 R)
• M24: 31,336,116 km (0.11 R)
• M25: 33,506,033 km (0.047 R)
• M26: 35,334,419 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 256.3

Radius: 5.8

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 5.87 AU - 6.93 AU

Year: 10294 Days

Day: 19.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 46,581,331 km

• M1: 72,106 km (0.083 R)
• M2: 298,298 km (0.112 R)
• M3: 1,049,728 km (0.065 R)
• M4: 1,323,642 km (0.094 R)
• M5: 2,109,031 km (0.119 R)
• M6: 2,372,173 km (0.115 R)
• M7: 2,788,953 km (0.08 R)
• M8: 3,148,138 km (0.096 R)
• M9: 4,872,253 km (0.112 R)
• M10: 5,099,492 km (0.066 R)
• M11: 6,079,807 km (0.051 R)
• M12: 6,752,997 km (0.117 R)
• M13: 7,587,155 km (0.109 R)
• M14: 8,985,447 km (0.094 R)
• M15: 11,318,126 km (0.085 R)
• M16: 12,229,626 km (0.085 R)
• M17: 12,491,273 km (0.117 R)
• M18: 12,810,066 km (0.076 R)
• M19: 14,957,244 km (0.1 R)
• M20: 15,256,440 km (0.067 R)
• M21: 21,730,138 km (0.094 R)
• M22: 23,939,100 km (0.089 R)
• M23: 25,350,855 km (0.103 R)
• M24: 28,430,477 km (0.116 R)
• M25: 31,066,840 km (0.093 R)
• M26: 32,444,188 km (0.096 R)

Asteroid Belt

Center: 7.78 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 203

Radius: 3.7

Gravity: 14.83 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 7.3 AU - 11 AU

Year: 17598 Days

Day: 24.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 46,581,331 km

• M1: 46,076 km (0.12 R)
• M2: 184,903 km (0.069 R)
• M3: 435,330 km (0.096 R)
• M4: 902,225 km (0.082 R)
• M5: 1,100,741 km (0.052 R)
• M6: 1,216,530 km (0.094 R)
• M7: 1,733,540 km (0.074 R)
• M8: 2,271,943 km (0.044 R)
• M9: 2,619,758 km (0.1 R)
• M10: 2,979,840 km (0.119 R)
• M11: 5,064,786 km (0.025 R)
• M12: 5,355,005 km (0.038 R)
• M13: 5,588,228 km (0.115 R)
• M14: 6,074,870 km (0.092 R)
• M15: 6,551,639 km (0.097 R)
• M16: 8,131,093 km (0.117 R)
• M17: 8,350,404 km (0.065 R)
• M18: 8,528,724 km (0.113 R)
• M19: 9,652,055 km (0.102 R)
• M20: 10,147,972 km (0.076 R)
• M21: 11,298,529 km (0.095 R)
• M22: 11,961,247 km (0.025 R)
• M23: 12,649,697 km (0.079 R)
• M24: 16,282,831 km (0.099 R)
• M25: 16,421,657 km (0.109 R)
• M26: 16,631,244 km (0.102 R)
• M27: 18,000,663 km (0.085 R)
• M28: 18,523,508 km (0.106 R)
• M29: 18,979,781 km (0.118 R)
• M30: 21,960,070 km (0.079 R)
• M31: 22,214,536 km (0.047 R)
• M32: 27,040,862 km (0.076 R)
• M33: 27,529,299 km (0.098 R)
• M34: 29,645,062 km (0.109 R)
• M35: 33,296,297 km (0.097 R)
• M36: 34,310,571 km (0.069 R)
• M37: 35,694,950 km (0.08 R)
• M38: 42,912,897 km (0.07 R)
• M39: 46,441,911 km (0.094 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 504 - 14,413 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit