🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.6

Radius: 14.1

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.49 AU - 0.73 AU

Year: 323 Days

Day: 8.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,573,536 km

• M1: 180,714 km (0.06 R)
• M2: 445,353 km (0.085 R)
• M3: 841,787 km (0.107 R)
• M4: 1,307,186 km (0.08 R)
• M5: 1,990,100 km (0.105 R)
• M6: 2,277,029 km (0.113 R)
• M7: 2,564,407 km (0.034 R)
• M8: 3,018,436 km (0.069 R)
• M9: 3,319,427 km (0.098 R)
• M10: 3,769,418 km (0.06 R)
• M11: 4,358,384 km (0.074 R)
• M12: 4,923,715 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.9

Radius: 11.3

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.7 AU - 1.08 AU

Year: 569 Days

Day: 14.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,573,536 km

• M1: 140,772 km (0.102 R)
• M2: 678,576 km (0.114 R)
• M3: 929,003 km (0.106 R)
• M4: 1,302,997 km (0.101 R)
• M5: 1,632,861 km (0.112 R)
• M6: 2,011,194 km (0.115 R)
• M7: 2,550,793 km (0.102 R)
• M8: 2,951,416 km (0.109 R)
• M9: 3,813,399 km (0.068 R)
• M10: 4,159,419 km (0.045 R)
• M11: 4,567,373 km (0.062 R)
• M12: 6,258,876 km (0.095 R)
• M13: 6,520,672 km (0.115 R)
• M14: 6,773,941 km (0.064 R)
• M15: 7,384,001 km (0.107 R)
• M16: 7,638,467 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.6

Radius: 14.7

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.83 AU - 1.29 AU

Year: 740 Days

Day: 10.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,573,536 km

• M1: 200,012 km (0.081 R)
• M2: 497,563 km (0.086 R)
• M3: 835,504 km (0.094 R)
• M4: 1,170,603 km (0.105 R)
• M5: 1,503,907 km (0.068 R)
• M6: 1,853,817 km (0.092 R)
• M7: 2,262,369 km (0.066 R)
• M8: 2,591,035 km (0.11 R)
• M9: 2,903,395 km (0.088 R)
• M10: 3,517,944 km (0.11 R)
• M11: 3,930,834 km (0.088 R)
• M12: 4,268,775 km (0.12 R)
• M13: 4,763,495 km (0.052 R)
• M14: 5,041,747 km (0.085 R)
• M15: 5,594,212 km (0.108 R)
• M16: 6,072,477 km (0.041 R)
• M17: 7,234,553 km (0.03 R)
• M18: 7,931,081 km (0.095 R)
• M19: 9,164,665 km (0.046 R)
• M20: 9,478,072 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.1

Radius: 8.7

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.22 AU - 1.86 AU

Year: 1296 Days

Day: 14.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,573,536 km

• M1: 118,482 km (0.066 R)
• M2: 289,322 km (0.1 R)
• M3: 550,819 km (0.115 R)
• M4: 903,122 km (0.094 R)
• M5: 1,247,197 km (0.098 R)
• M6: 1,602,792 km (0.063 R)
• M7: 1,816,417 km (0.107 R)
• M8: 2,006,855 km (0.104 R)
• M9: 2,286,304 km (0.081 R)
• M10: 2,725,224 km (0.066 R)
• M11: 3,263,926 km (0.097 R)
• M12: 4,282,987 km (0.12 R)
• M13: 5,031,575 km (0.11 R)
• M14: 5,366,674 km (0.11 R)
• M15: 5,617,550 km (0.038 R)
• M16: 5,825,491 km (0.081 R)
• M17: 6,119,899 km (0.072 R)
• M18: 6,748,360 km (0.113 R)
• M19: 7,118,914 km (0.116 R)
• M20: 8,387,653 km (0.096 R)
• M21: 8,940,866 km (0.03 R)
• M22: 9,388,014 km (0.079 R)
• M23: 10,015,577 km (0.06 R)
• M24: 10,315,372 km (0.113 R)
• M25: 11,084,753 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.9

Radius: 11.8

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.36 AU - 1.76 AU

Year: 1322 Days

Day: 7.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,573,536 km

• M1: 159,023 km (0.081 R)
• M2: 464,501 km (0.064 R)
• M3: 787,184 km (0.09 R)
• M4: 1,090,419 km (0.07 R)
• M5: 1,395,299 km (0.086 R)
• M6: 1,932,356 km (0.052 R)
• M7: 5,006,592 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.5

Radius: 10.8

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.45 AU - 2.15 AU

Year: 1638 Days

Day: 9.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 67,573,536 km

• M1: 135,685 km (0.105 R)
• M2: 427,252 km (0.079 R)
• M3: 680,521 km (0.084 R)
• M4: 890,706 km (0.12 R)
• M5: 1,188,106 km (0.103 R)
• M6: 1,707,360 km (0.08 R)
• M7: 1,950,158 km (0.083 R)
• M8: 2,221,229 km (0.062 R)
• M9: 2,476,593 km (0.056 R)
• M10: 3,121,210 km (0.11 R)
• M11: 3,534,698 km (0.063 R)
• M12: 5,117,145 km (0.046 R)
• M13: 5,752,786 km (0.067 R)
• M14: 6,389,175 km (0.064 R)
• M15: 6,806,703 km (0.079 R)
• M16: 7,059,823 km (0.1 R)
• M17: 7,620,815 km (0.114 R)
• M18: 7,909,539 km (0.085 R)
• M19: 8,611,601 km (0.112 R)
• M20: 8,852,454 km (0.086 R)
• M21: 9,366,771 km (0.114 R)
• M22: 9,595,058 km (0.036 R)
• M23: 10,177,742 km (0.109 R)
• M24: 11,146,537 km (0.09 R)
• M25: 11,596,977 km (0.089 R)
• M26: 13,136,638 km (0.112 R)
• M27: 13,956,883 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 178.4

Radius: 3.9

Gravity: 11.73 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 6.37 AU - 6.37 AU

Year: 10904 Days

Day: 22.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,573,536 km

• M1: 316,699 km (0.106 R)
• M2: 638,633 km (0.06 R)
• M3: 1,006,494 km (0.049 R)
• M4: 1,097,600 km (0.114 R)
• M5: 1,673,252 km (0.064 R)
• M6: 1,867,281 km (0.071 R)
• M7: 2,847,296 km (0.056 R)
• M8: 3,060,772 km (0.095 R)
• M9: 3,489,819 km (0.048 R)
• M10: 4,268,326 km (0.103 R)
• M11: 5,679,184 km (0.087 R)
• M12: 7,759,791 km (0.05 R)
• M13: 7,950,528 km (0.073 R)
• M14: 11,939,855 km (0.092 R)
• M15: 12,737,660 km (0.094 R)
• M16: 12,818,892 km (0.12 R)
• M17: 13,729,345 km (0.105 R)
• M18: 15,779,284 km (0.092 R)
• M19: 16,005,775 km (0.12 R)
• M20: 16,096,880 km (0.066 R)
• M21: 16,974,721 km (0.115 R)
• M22: 17,068,519 km (0.079 R)
• M23: 19,346,894 km (0.08 R)
• M24: 21,293,462 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 838.4

Radius: 3

Gravity: 93.16 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 6.44 AU - 8.36 AU

Year: 13653 Days

Day: 15.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 67,573,536 km

• M1: 37,848 km (0.105 R)
• M2: 194,926 km (0.109 R)
• M3: 287,677 km (0.031 R)
• M4: 525,687 km (0.118 R)
• M5: 1,221,018 km (0.04 R)
• M6: 1,363,285 km (0.028 R)
• M7: 1,775,128 km (0.044 R)
• M8: 2,509,654 km (0.079 R)
• M9: 4,138,176 km (0.082 R)
• M10: 4,533,115 km (0.1 R)
• M11: 4,841,286 km (0.063 R)
• M12: 4,981,609 km (0.06 R)
• M13: 6,255,285 km (0.1 R)
• M14: 7,413,622 km (0.06 R)
• M15: 7,630,987 km (0.116 R)
• M16: 8,301,635 km (0.098 R)
• M17: 8,393,189 km (0.038 R)
• M18: 12,921,815 km (0.1 R)
• M19: 12,978,812 km (0.114 R)
• M20: 14,326,390 km (0.117 R)
• M21: 14,567,541 km (0.087 R)
• M22: 14,994,344 km (0.116 R)
• M23: 15,740,538 km (0.101 R)
• M24: 16,569,460 km (0.113 R)
• M25: 17,485,897 km (0.113 R)
• M26: 17,819,201 km (0.116 R)
• M27: 18,700,482 km (0.07 R)
• M28: 25,306,873 km (0.101 R)
• M29: 25,868,763 km (0.069 R)
• M30: 28,262,778 km (0.094 R)
• M31: 29,284,531 km (0.065 R)
• M32: 31,382,193 km (0.098 R)
• M33: 32,007,811 km (0.12 R)
• M34: 32,277,835 km (0.072 R)
• M35: 34,199,420 km (0.119 R)
• M36: 38,800,751 km (0.102 R)
• M37: 41,618,876 km (0.099 R)
• M38: 45,174,069 km (0.075 R)
• M39: 45,280,882 km (0.064 R)
• M40: 47,552,077 km (0.066 R)
• M41: 49,879,072 km (0.095 R)
• M42: 49,991,270 km (0.092 R)
• M43: 53,880,815 km (0.113 R)
• M44: 54,231,023 km (0.042 R)
• M45: 56,236,981 km (0.068 R)
• M46: 59,865,627 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 903.6

Radius: 7.7

Gravity: 15.24 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 6.27 AU - 10.21 AU

Year: 16043 Days

Day: 16.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 172.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 67,573,536 km

• M1: 114,143 km (0.091 R)
• M2: 297,849 km (0.076 R)
• M3: 533,466 km (0.116 R)
• M4: 678,576 km (0.091 R)
• M5: 1,219,971 km (0.117 R)
• M6: 1,546,543 km (0.099 R)
• M7: 1,846,636 km (0.086 R)
• M8: 4,556,452 km (0.064 R)
• M9: 4,700,963 km (0.095 R)
• M10: 6,104,790 km (0.102 R)
• M11: 7,054,437 km (0.097 R)
• M12: 7,509,065 km (0.101 R)
• M13: 9,471,789 km (0.12 R)
• M14: 15,452,114 km (0.044 R)
• M15: 16,672,084 km (0.107 R)
• M16: 18,082,194 km (0.08 R)
• M17: 32,585,408 km (0.091 R)
• M18: 33,953,182 km (0.109 R)
• M19: 34,547,983 km (0.088 R)
• M20: 40,781,427 km (0.039 R)
• M21: 41,433,225 km (0.081 R)
• M22: 44,317,771 km (0.11 R)
• M23: 47,183,019 km (0.076 R)
• M24: 51,710,299 km (0.118 R)
• M25: 60,726,264 km (0.045 R)
• M26: 61,388,533 km (0.062 R)
• M27: 62,589,655 km (0.08 R)
• M28: 64,209,351 km (0.094 R)
• M29: 67,650,102 km (0.078 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 356.3

Radius: 5.1

Gravity: 13.7 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 9.52 AU - 11.56 AU

Year: 23209 Days

Day: 18.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 67,573,536 km

• M1: 64,028 km (0.103 R)
• M2: 260,300 km (0.104 R)
• M3: 622,477 km (0.103 R)
• M4: 850,913 km (0.085 R)
• M5: 1,084,734 km (0.078 R)
• M6: 1,312,123 km (0.107 R)
• M7: 2,226,465 km (0.106 R)
• M8: 3,542,178 km (0.117 R)
• M9: 3,728,428 km (0.094 R)
• M10: 4,182,158 km (0.076 R)
• M11: 4,592,056 km (0.114 R)
• M12: 5,094,855 km (0.046 R)
• M13: 5,978,380 km (0.028 R)
• M14: 10,864,994 km (0.113 R)
• M15: 12,200,155 km (0.118 R)
• M16: 12,372,492 km (0.119 R)
• M17: 13,192,887 km (0.058 R)
• M18: 15,423,989 km (0.07 R)
• M19: 17,760,858 km (0.079 R)
• M20: 25,348,910 km (0.096 R)
• M21: 26,266,095 km (0.042 R)
• M22: 29,738,710 km (0.077 R)
• M23: 32,204,981 km (0.043 R)
• M24: 38,545,836 km (0.074 R)
• M25: 43,594,615 km (0.109 R)
• M26: 47,925,623 km (0.059 R)
• M27: 48,839,516 km (0.101 R)
• M28: 53,178,303 km (0.118 R)
• M29: 54,019,941 km (0.093 R)
• M30: 64,371,964 km (0.118 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: 556 - 18,087 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit