🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.8

Radius: 10.5

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.91 AU - 1.35 AU

Year: 801 Days

Day: 13 Hours

Environment

Temp: -186 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,551,603 km

• M1: 130,599 km (0.066 R)
• M2: 487,390 km (0.036 R)
• M3: 850,165 km (0.119 R)
• M4: 1,488,499 km (0.107 R)
• M5: 2,060,711 km (0.088 R)
• M6: 2,423,486 km (0.084 R)
• M7: 3,183,742 km (0.045 R)
• M8: 4,011,168 km (0.076 R)
• M9: 4,784,290 km (0.058 R)
• M10: 5,409,758 km (0.109 R)
• M11: 5,996,481 km (0.112 R)
• M12: 6,353,272 km (0.118 R)
• M13: 6,764,068 km (0.042 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.9

Radius: 11

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.15 AU - 2.43 AU

Year: 2311 Days

Day: 11.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,551,603 km

• M1: 145,858 km (0.109 R)
• M2: 492,775 km (0.079 R)
• M3: 862,581 km (0.111 R)
• M4: 1,346,830 km (0.06 R)
• M5: 2,092,126 km (0.116 R)
• M6: 4,074,597 km (0.069 R)
• M7: 4,616,441 km (0.088 R)
• M8: 6,561,363 km (0.099 R)
• M9: 8,232,371 km (0.071 R)
• M10: 8,675,031 km (0.118 R)
• M11: 9,267,438 km (0.053 R)
• M12: 10,942,187 km (0.12 R)
• M13: 14,332,822 km (0.117 R)
• M14: 15,302,516 km (0.107 R)
• M15: 15,875,924 km (0.098 R)
• M16: 17,065,826 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.6

Radius: 14.7

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.89 AU - 2.85 AU

Year: 2433 Days

Day: 9.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,551,603 km

• M1: 191,635 km (0.104 R)
• M2: 731,982 km (0.03 R)
• M3: 1,218,475 km (0.115 R)
• M4: 1,930,561 km (0.109 R)
• M5: 2,616,018 km (0.064 R)
• M6: 3,275,146 km (0.116 R)
• M7: 3,853,492 km (0.119 R)
• M8: 4,790,273 km (0.068 R)
• M9: 5,874,110 km (0.088 R)
• M10: 6,986,819 km (0.094 R)
• M11: 7,648,341 km (0.065 R)
• M12: 8,644,363 km (0.118 R)
• M13: 9,407,612 km (0.064 R)
• M14: 10,894,615 km (0.042 R)
• M15: 12,043,825 km (0.063 R)
• M16: 12,763,690 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.4

Radius: 11.9

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 4.14 AU - 5.52 AU

Year: 7079 Days

Day: 9.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,551,603 km

• M1: 150,795 km (0.065 R)
• M2: 521,049 km (0.098 R)
• M3: 923,468 km (0.09 R)
• M4: 1,331,122 km (0.093 R)
• M5: 3,312,246 km (0.074 R)
• M6: 3,964,942 km (0.036 R)
• M7: 4,446,647 km (0.072 R)
• M8: 6,416,253 km (0.076 R)
• M9: 7,576,085 km (0.114 R)
• M10: 9,195,781 km (0.061 R)
• M11: 9,783,850 km (0.089 R)
• M12: 10,576,569 km (0.097 R)
• M13: 13,531,277 km (0.025 R)
• M14: 16,626,307 km (0.097 R)
• M15: 18,535,775 km (0.099 R)
• M16: 19,135,961 km (0.055 R)
• M17: 20,729,029 km (0.118 R)
• M18: 23,013,837 km (0.091 R)
• M19: 24,177,709 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.8

Radius: 11.8

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 4.02 AU - 6.4 AU

Year: 7930 Days

Day: 6.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,551,603 km

• M1: 147,803 km (0.109 R)
• M2: 628,461 km (0.119 R)
• M3: 1,228,049 km (0.084 R)
• M4: 1,914,404 km (0.111 R)
• M5: 2,287,501 km (0.051 R)
• M6: 2,691,266 km (0.072 R)
• M7: 3,442,247 km (0.114 R)
• M8: 4,951,540 km (0.099 R)
• M9: 5,541,704 km (0.115 R)
• M10: 6,244,514 km (0.086 R)
• M11: 7,674,072 km (0.107 R)
• M12: 9,267,588 km (0.118 R)
• M13: 15,119,258 km (0.112 R)
• M14: 17,339,440 km (0.115 R)
• M15: 22,103,385 km (0.108 R)
• M16: 24,032,599 km (0.102 R)
• M17: 25,637,485 km (0.079 R)
• M18: 27,133,164 km (0.047 R)
• M19: 28,779,339 km (0.113 R)
• M20: 31,868,834 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 92.7

Radius: 4.6

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 5.82 AU - 6.48 AU

Year: 10170 Days

Day: 20 Hours

Environment

Temp: -225 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,551,603 km

• M1: 57,146 km (0.102 R)
• M2: 271,071 km (0.078 R)
• M3: 2,017,626 km (0.057 R)
• M4: 3,350,992 km (0.044 R)
• M5: 8,038,342 km (0.071 R)
• M6: 8,321,232 km (0.08 R)
• M7: 8,465,145 km (0.096 R)
• M8: 13,598,446 km (0.073 R)
• M9: 13,798,309 km (0.114 R)
• M10: 17,739,764 km (0.033 R)
• M11: 19,837,426 km (0.079 R)
• M12: 24,077,628 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 419.4

Radius: 4.1

Gravity: 24.95 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 5.4 AU - 7.86 AU

Year: 11384 Days

Day: 15.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,551,603 km

• M1: 51,312 km (0.103 R)
• M2: 235,916 km (0.099 R)
• M3: 389,852 km (0.117 R)
• M4: 549,174 km (0.041 R)
• M5: 1,003,353 km (0.076 R)
• M6: 1,887,028 km (0.046 R)
• M7: 2,600,161 km (0.079 R)
• M8: 2,741,381 km (0.067 R)
• M9: 3,083,661 km (0.119 R)
• M10: 3,334,985 km (0.063 R)
• M11: 3,624,457 km (0.08 R)
• M12: 3,957,013 km (0.106 R)
• M13: 4,393,540 km (0.107 R)
• M14: 5,297,709 km (0.074 R)
• M15: 5,591,520 km (0.087 R)
• M16: 5,793,477 km (0.108 R)
• M17: 8,565,824 km (0.092 R)
• M18: 10,062,402 km (0.094 R)
• M19: 14,930,915 km (0.06 R)
• M20: 18,601,298 km (0.083 R)
• M21: 19,662,546 km (0.076 R)
• M22: 20,286,668 km (0.076 R)
• M23: 21,656,835 km (0.107 R)
• M24: 25,121,522 km (0.064 R)
• M25: 26,984,763 km (0.104 R)
• M26: 28,244,078 km (0.062 R)
• M27: 29,440,711 km (0.09 R)
• M28: 32,041,770 km (0.043 R)
• M29: 34,117,889 km (0.091 R)
• M30: 35,703,925 km (0.115 R)
• M31: 36,166,033 km (0.097 R)
• M32: 38,778,610 km (0.095 R)
• M33: 44,110,428 km (0.044 R)
• M34: 44,242,972 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 379

Radius: 7.3

Gravity: 7.11 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 7.92 AU - 10.42 AU

Year: 18518 Days

Day: 22.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,551,603 km

• M1: 91,105 km (0.094 R)
• M2: 593,754 km (0.109 R)
• M3: 1,907,522 km (0.117 R)
• M4: 2,278,525 km (0.084 R)
• M5: 2,652,819 km (0.116 R)
• M6: 3,067,654 km (0.118 R)
• M7: 4,735,969 km (0.083 R)
• M8: 5,671,704 km (0.075 R)
• M9: 6,480,729 km (0.067 R)
• M10: 7,061,319 km (0.109 R)
• M11: 7,676,016 km (0.112 R)
• M12: 10,495,637 km (0.091 R)
• M13: 11,710,671 km (0.064 R)
• M14: 12,197,313 km (0.057 R)
• M15: 14,976,243 km (0.117 R)
• M16: 15,261,077 km (0.114 R)
• M17: 16,588,160 km (0.095 R)
• M18: 18,638,249 km (0.117 R)
• M19: 24,392,681 km (0.097 R)
• M20: 25,690,742 km (0.047 R)
• M21: 29,302,333 km (0.064 R)
• M22: 30,312,119 km (0.055 R)
• M23: 32,400,954 km (0.063 R)
• M24: 33,602,075 km (0.067 R)
• M25: 33,845,770 km (0.09 R)
• M26: 34,460,169 km (0.042 R)
• M27: 35,711,405 km (0.036 R)
• M28: 36,348,243 km (0.118 R)
• M29: 38,570,071 km (0.103 R)
• M30: 39,510,742 km (0.029 R)
• M31: 40,742,531 km (0.091 R)
• M32: 42,852,160 km (0.077 R)
• M33: 47,440,477 km (0.097 R)
• M34: 58,278,693 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 310

Radius: 7.4

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 7.27 AU - 11.75 AU

Year: 19557 Days

Day: 18.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,551,603 km

• M1: 94,695 km (0.084 R)
• M2: 400,025 km (0.119 R)
• M3: 729,290 km (0.094 R)
• M4: 1,185,713 km (0.115 R)
• M5: 1,597,406 km (0.103 R)
• M6: 2,863,154 km (0.118 R)
• M7: 3,195,411 km (0.036 R)
• M8: 4,920,274 km (0.054 R)
• M9: 8,598,138 km (0.106 R)
• M10: 9,547,934 km (0.061 R)
• M11: 10,621,449 km (0.114 R)
• M12: 11,536,689 km (0.089 R)
• M13: 16,018,042 km (0.116 R)
• M14: 19,464,777 km (0.107 R)
• M15: 22,261,510 km (0.088 R)
• M16: 26,838,606 km (0.069 R)
• M17: 31,082,997 km (0.092 R)
• M18: 41,285,721 km (0.087 R)
• M19: 45,716,212 km (0.075 R)
• M20: 46,309,966 km (0.049 R)
• M21: 55,507,841 km (0.101 R)
• M22: 56,014,080 km (0.029 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 478 - 14,899 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit