🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.8

Radius: 13.3

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.44 AU - 0.6 AU

Year: 254 Days

Day: 8.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 79,604,733 km

• M1: 165,455 km (0.119 R)
• M2: 596,148 km (0.113 R)
• M3: 1,074,262 km (0.116 R)
• M4: 1,659,788 km (0.116 R)
• M5: 2,298,122 km (0.034 R)
• M6: 2,725,823 km (0.087 R)
• M7: 3,268,713 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.3

Radius: 10

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.51 AU - 1.77 AU

Year: 1424 Days

Day: 10.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 126.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 79,604,733 km

• M1: 124,316 km (0.036 R)
• M2: 500,554 km (0.116 R)
• M3: 815,009 km (0.12 R)
• M4: 1,253,032 km (0.118 R)
• M5: 1,794,576 km (0.119 R)
• M6: 2,602,554 km (0.116 R)
• M7: 4,528,627 km (0.083 R)
• M8: 4,944,210 km (0.071 R)
• M9: 5,450,449 km (0.087 R)
• M10: 5,898,494 km (0.114 R)
• M11: 6,691,363 km (0.083 R)
• M12: 7,179,202 km (0.079 R)
• M13: 7,499,491 km (0.057 R)
• M14: 9,184,262 km (0.094 R)
• M15: 11,072,636 km (0.082 R)
• M16: 11,537,287 km (0.079 R)
• M17: 12,353,044 km (0.053 R)
• M18: 12,775,209 km (0.108 R)
• M19: 13,286,385 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.3

Radius: 11.1

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.64 AU - 2.76 AU

Year: 3009 Days

Day: 13.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,604,733 km

• M1: 138,079 km (0.071 R)
• M2: 543,938 km (0.089 R)
• M3: 1,408,314 km (0.091 R)
• M4: 1,850,077 km (0.092 R)
• M5: 2,740,334 km (0.11 R)
• M6: 3,265,871 km (0.105 R)
• M7: 4,456,371 km (0.118 R)
• M8: 5,941,728 km (0.065 R)
• M9: 6,359,854 km (0.032 R)
• M10: 10,982,129 km (0.041 R)
• M11: 14,107,977 km (0.092 R)
• M12: 15,334,380 km (0.047 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 726.7

Radius: 6.4

Gravity: 17.74 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 4.74 AU - 7.38 AU

Year: 10118 Days

Day: 23.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 79,604,733 km

• M1: 79,586 km (0.112 R)
• M2: 422,315 km (0.109 R)
• M3: 662,569 km (0.03 R)
• M4: 964,308 km (0.1 R)
• M5: 1,194,539 km (0.039 R)
• M6: 1,434,494 km (0.064 R)
• M7: 2,134,911 km (0.062 R)
• M8: 2,778,780 km (0.111 R)
• M9: 4,241,399 km (0.098 R)
• M10: 4,743,898 km (0.078 R)
• M11: 5,866,929 km (0.078 R)
• M12: 6,798,625 km (0.119 R)
• M13: 7,998,849 km (0.091 R)
• M14: 9,827,084 km (0.099 R)
• M15: 10,441,483 km (0.101 R)
• M16: 11,190,220 km (0.096 R)
• M17: 14,808,244 km (0.114 R)
• M18: 17,909,707 km (0.105 R)
• M19: 22,449,554 km (0.107 R)
• M20: 26,318,753 km (0.1 R)
• M21: 28,003,525 km (0.08 R)
• M22: 30,610,118 km (0.095 R)
• M23: 31,041,558 km (0.117 R)
• M24: 32,249,112 km (0.089 R)
• M25: 33,946,001 km (0.039 R)
• M26: 35,939,841 km (0.112 R)
• M27: 44,836,277 km (0.06 R)
• M28: 47,520,960 km (0.075 R)
• M29: 48,390,573 km (0.064 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 373.5

Radius: 6

Gravity: 10.38 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 5.89 AU - 6.53 AU

Year: 10496 Days

Day: 24.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,604,733 km

• M1: 74,799 km (0.071 R)
• M2: 290,968 km (0.106 R)
• M3: 534,513 km (0.113 R)
• M4: 886,966 km (0.103 R)
• M5: 1,605,933 km (0.093 R)
• M6: 2,677,652 km (0.103 R)
• M7: 3,217,551 km (0.048 R)
• M8: 4,483,598 km (0.102 R)
• M9: 6,016,826 km (0.115 R)
• M10: 7,910,436 km (0.104 R)
• M11: 10,313,726 km (0.066 R)
• M12: 10,907,181 km (0.102 R)
• M13: 13,050,021 km (0.116 R)
• M14: 13,451,990 km (0.101 R)
• M15: 16,499,598 km (0.111 R)
• M16: 19,305,755 km (0.103 R)
• M17: 22,008,839 km (0.055 R)
• M18: 24,604,811 km (0.096 R)
• M19: 26,841,598 km (0.032 R)
• M20: 27,397,952 km (0.063 R)
• M21: 30,596,056 km (0.089 R)
• M22: 30,898,692 km (0.089 R)
• M23: 33,178,414 km (0.099 R)
• M24: 33,711,731 km (0.058 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 427.1

Radius: 7.5

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 5.38 AU - 7.48 AU

Year: 11059 Days

Day: 19.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 79,604,733 km

• M1: 98,136 km (0.054 R)
• M2: 383,569 km (0.047 R)
• M3: 906,413 km (0.079 R)
• M4: 1,181,225 km (0.118 R)
• M5: 1,825,992 km (0.115 R)
• M6: 2,149,123 km (0.05 R)
• M7: 2,491,104 km (0.065 R)
• M8: 2,786,410 km (0.107 R)
• M9: 3,149,185 km (0.087 R)
• M10: 3,447,782 km (0.053 R)
• M11: 4,263,988 km (0.102 R)
• M12: 4,572,459 km (0.099 R)
• M13: 5,821,900 km (0.049 R)
• M14: 6,709,913 km (0.047 R)
• M15: 8,357,285 km (0.076 R)
• M16: 10,158,892 km (0.069 R)
• M17: 10,507,605 km (0.12 R)
• M18: 11,334,881 km (0.119 R)
• M19: 14,762,767 km (0.051 R)
• M20: 16,133,083 km (0.101 R)
• M21: 18,307,937 km (0.068 R)
• M22: 19,199,840 km (0.112 R)
• M23: 19,887,691 km (0.087 R)
• M24: 20,276,795 km (0.083 R)
• M25: 21,801,945 km (0.049 R)
• M26: 23,574,979 km (0.076 R)
• M27: 24,452,221 km (0.043 R)
• M28: 28,571,697 km (0.118 R)
• M29: 32,268,560 km (0.105 R)
• M30: 34,902,829 km (0.03 R)
• M31: 35,355,362 km (0.119 R)
• M32: 36,620,063 km (0.106 R)
• M33: 41,473,616 km (0.047 R)
• M34: 42,108,809 km (0.099 R)
• M35: 42,621,780 km (0.098 R)
• M36: 43,138,790 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 721.7

Radius: 6.1

Gravity: 19.4 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.95 AU - 8.19 AU

Year: 11422 Days

Day: 16.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 106.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 79,604,733 km

• M1: 75,846 km (0.053 R)
• M2: 277,953 km (0.096 R)
• M3: 682,017 km (0.053 R)
• M4: 1,244,056 km (0.118 R)
• M5: 1,755,082 km (0.094 R)
• M6: 2,040,964 km (0.108 R)
• M7: 2,357,662 km (0.037 R)
• M8: 2,558,872 km (0.106 R)
• M9: 2,793,441 km (0.112 R)
• M10: 4,990,286 km (0.118 R)
• M11: 5,392,255 km (0.105 R)
• M12: 9,421,823 km (0.061 R)
• M13: 9,879,743 km (0.097 R)
• M14: 11,744,330 km (0.101 R)
• M15: 12,944,405 km (0.083 R)
• M16: 15,655,866 km (0.115 R)
• M17: 17,711,042 km (0.117 R)
• M18: 20,863,966 km (0.083 R)
• M19: 22,348,276 km (0.071 R)
• M20: 22,617,403 km (0.07 R)
• M21: 28,045,262 km (0.085 R)
• M22: 29,097,983 km (0.118 R)
• M23: 33,106,009 km (0.109 R)
• M24: 39,261,512 km (0.086 R)
• M25: 41,381,464 km (0.099 R)
• M26: 46,428,298 km (0.086 R)
• M27: 47,013,225 km (0.078 R)
• M28: 48,197,741 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 357.9

Radius: 3.3

Gravity: 32.87 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 7.65 AU - 9.19 AU

Year: 16571 Days

Day: 23.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 79,604,733 km

• M1: 42,037 km (0.083 R)
• M2: 192,532 km (0.102 R)
• M3: 311,164 km (0.105 R)
• M4: 563,086 km (0.104 R)
• M5: 1,331,571 km (0.107 R)
• M6: 1,697,637 km (0.038 R)
• M7: 1,827,936 km (0.091 R)
• M8: 2,017,926 km (0.047 R)
• M9: 2,317,720 km (0.084 R)
• M10: 4,014,908 km (0.091 R)
• M11: 4,246,784 km (0.106 R)
• M12: 9,940,479 km (0.089 R)
• M13: 10,635,960 km (0.076 R)
• M14: 12,302,929 km (0.082 R)
• M15: 14,537,023 km (0.106 R)
• M16: 19,294,385 km (0.091 R)
• M17: 20,204,539 km (0.114 R)
• M18: 20,457,509 km (0.036 R)
• M19: 21,843,234 km (0.082 R)
• M20: 34,043,389 km (0.115 R)
• M21: 36,107,241 km (0.114 R)
• M22: 38,253,073 km (0.059 R)
• M23: 40,884,500 km (0.096 R)
• M24: 43,633,959 km (0.089 R)
• M25: 44,482,179 km (0.063 R)
• M26: 46,797,954 km (0.081 R)
• M27: 49,957,461 km (0.056 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 713.7

Radius: 5.3

Gravity: 25.41 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 9.03 AU - 10.67 AU

Year: 20967 Days

Day: 24 Hours

Environment

Temp: -238 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 79,604,733 km

• M1: 65,973 km (0.037 R)
• M2: 252,970 km (0.073 R)
• M3: 514,467 km (0.103 R)
• M4: 731,234 km (0.114 R)
• M5: 1,072,018 km (0.083 R)
• M6: 1,887,925 km (0.109 R)
• M7: 4,127,555 km (0.106 R)
• M8: 5,194,636 km (0.096 R)
• M9: 6,567,945 km (0.103 R)
• M10: 8,218,907 km (0.093 R)
• M11: 10,370,573 km (0.057 R)
• M12: 11,444,387 km (0.038 R)
• M13: 13,227,145 km (0.108 R)
• M14: 13,810,875 km (0.103 R)
• M15: 14,109,174 km (0.112 R)
• M16: 16,153,578 km (0.09 R)
• M17: 17,075,101 km (0.113 R)
• M18: 18,031,031 km (0.067 R)
• M19: 19,206,272 km (0.096 R)
• M20: 20,721,699 km (0.114 R)
• M21: 21,608,216 km (0.074 R)
• M22: 22,315,066 km (0.107 R)
• M23: 23,562,413 km (0.114 R)
• M24: 27,231,001 km (0.052 R)
• M25: 31,007,899 km (0.096 R)
• M26: 33,087,309 km (0.101 R)
• M27: 34,706,556 km (0.072 R)
• M28: 38,984,607 km (0.116 R)
• M29: 39,580,305 km (0.117 R)
• M30: 47,040,751 km (0.082 R)
• M31: 47,715,737 km (0.112 R)
• M32: 50,657,130 km (0.049 R)
• M33: 53,168,280 km (0.096 R)
• M34: 58,437,117 km (0.051 R)
• M35: 67,616,442 km (0.099 R)
• M36: 68,908,669 km (0.058 R)
• M37: 74,469,820 km (0.075 R)
• M38: 74,927,141 km (0.05 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 12,419 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit