🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.5

Radius: 10.5

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.53 AU - 0.59 AU

Year: 284 Days

Day: 8 Hours

Environment

Temp: -145 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 88,024,348 km

• M1: 130,749 km (0.109 R)
• M2: 558,150 km (0.027 R)
• M3: 896,540 km (0.112 R)
• M4: 1,498,671 km (0.052 R)
• M5: 1,867,729 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.3

Radius: 9.8

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.61 AU - 0.81 AU

Year: 406 Days

Day: 12.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 88,024,348 km

• M1: 122,072 km (0.047 R)
• M2: 498,759 km (0.112 R)
• M3: 1,098,497 km (0.11 R)
• M4: 1,590,225 km (0.06 R)
• M5: 2,049,491 km (0.081 R)
• M6: 2,672,865 km (0.109 R)
• M7: 3,169,979 km (0.096 R)
• M8: 3,654,676 km (0.089 R)
• M9: 4,043,630 km (0.102 R)
• M10: 4,529,824 km (0.088 R)
• M11: 4,919,825 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.4

Radius: 10.8

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.14 AU - 2.58 AU

Year: 2459 Days

Day: 8.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 88,024,348 km

• M1: 134,638 km (0.105 R)
• M2: 527,482 km (0.117 R)
• M3: 1,451,698 km (0.091 R)
• M4: 2,952,314 km (0.081 R)
• M5: 3,400,060 km (0.111 R)
• M6: 4,710,239 km (0.037 R)
• M7: 5,113,704 km (0.092 R)
• M8: 6,492,248 km (0.047 R)
• M9: 7,549,905 km (0.033 R)
• M10: 11,937,312 km (0.091 R)
• M11: 12,562,780 km (0.114 R)
• M12: 15,140,800 km (0.107 R)
• M13: 16,528,321 km (0.054 R)
• M14: 17,890,858 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.8

Radius: 12.2

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.48 AU - 2.68 AU

Year: 2811 Days

Day: 10.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 88,024,348 km

• M1: 151,842 km (0.115 R)
• M2: 538,253 km (0.087 R)
• M3: 1,002,156 km (0.118 R)
• M4: 1,797,568 km (0.087 R)
• M5: 2,482,577 km (0.12 R)
• M6: 3,007,366 km (0.07 R)
• M7: 4,449,190 km (0.105 R)
• M8: 5,061,345 km (0.086 R)
• M9: 5,551,278 km (0.103 R)
• M10: 6,954,655 km (0.082 R)
• M11: 7,920,010 km (0.118 R)
• M12: 9,003,249 km (0.061 R)
• M13: 10,966,122 km (0.116 R)
• M14: 12,235,161 km (0.076 R)
• M15: 13,559,252 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.6

Radius: 13.9

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.48 AU - 3.62 AU

Year: 3613 Days

Day: 5.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 88,024,348 km

• M1: 173,534 km (0.098 R)
• M2: 893,847 km (0.112 R)
• M3: 1,563,597 km (0.107 R)
• M4: 2,700,690 km (0.071 R)
• M5: 3,371,038 km (0.045 R)
• M6: 3,821,178 km (0.046 R)
• M7: 5,739,023 km (0.093 R)
• M8: 6,994,448 km (0.115 R)
• M9: 8,042,980 km (0.082 R)
• M10: 9,056,954 km (0.084 R)
• M11: 9,542,100 km (0.053 R)
• M12: 10,302,357 km (0.064 R)
• M13: 18,075,462 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.9

Radius: 9.6

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.41 AU - 4.05 AU

Year: 4886 Days

Day: 8.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 88,024,348 km

• M1: 119,529 km (0.117 R)
• M2: 670,647 km (0.088 R)
• M3: 976,874 km (0.064 R)
• M4: 1,400,984 km (0.045 R)
• M5: 1,762,413 km (0.091 R)
• M6: 2,415,108 km (0.076 R)
• M7: 3,398,116 km (0.059 R)
• M8: 3,815,344 km (0.077 R)
• M9: 4,243,194 km (0.107 R)
• M10: 5,249,090 km (0.042 R)
• M11: 7,517,592 km (0.08 R)
• M12: 8,338,885 km (0.07 R)
• M13: 9,298,106 km (0.084 R)
• M14: 10,894,764 km (0.113 R)
• M15: 11,389,335 km (0.097 R)
• M16: 12,423,206 km (0.103 R)
• M17: 13,012,920 km (0.092 R)
• M18: 14,301,407 km (0.034 R)
• M19: 17,553,814 km (0.111 R)
• M20: 18,108,972 km (0.118 R)
• M21: 19,254,144 km (0.111 R)
• M22: 19,712,362 km (0.072 R)
• M23: 23,420,893 km (0.12 R)
• M24: 23,942,990 km (0.025 R)
• M25: 24,625,904 km (0.102 R)
• M26: 25,010,819 km (0.091 R)
• M27: 26,914,452 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 814.1

Radius: 7.3

Gravity: 15.28 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 5.17 AU - 7.73 AU

Year: 11110 Days

Day: 15.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 88,024,348 km

• M1: 90,806 km (0.115 R)
• M2: 429,495 km (0.081 R)
• M3: 1,114,205 km (0.103 R)
• M4: 1,376,151 km (0.086 R)
• M5: 1,664,127 km (0.091 R)
• M6: 2,756,640 km (0.096 R)
• M7: 3,391,234 km (0.1 R)
• M8: 3,921,110 km (0.098 R)
• M9: 4,294,356 km (0.104 R)
• M10: 4,597,442 km (0.113 R)
• M11: 5,212,588 km (0.118 R)
• M12: 5,992,143 km (0.119 R)
• M13: 7,604,658 km (0.109 R)
• M14: 8,990,084 km (0.116 R)
• M15: 9,286,138 km (0.095 R)
• M16: 9,537,762 km (0.11 R)
• M17: 11,660,256 km (0.045 R)
• M18: 13,049,721 km (0.1 R)
• M19: 17,721,214 km (0.039 R)
• M20: 19,882,604 km (0.094 R)
• M21: 21,330,263 km (0.099 R)
• M22: 22,574,169 km (0.119 R)
• M23: 23,865,648 km (0.05 R)
• M24: 25,401,120 km (0.117 R)
• M25: 28,244,676 km (0.076 R)
• M26: 31,406,427 km (0.108 R)
• M27: 31,974,450 km (0.087 R)
• M28: 36,392,375 km (0.086 R)
• M29: 39,465,863 km (0.081 R)
• M30: 41,608,254 km (0.084 R)
• M31: 43,265,051 km (0.045 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 863.9

Radius: 7.2

Gravity: 16.66 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 7.71 AU - 12.73 AU

Year: 22160 Days

Day: 24.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 88,024,348 km

• M1: 102,624 km (0.111 R)
• M2: 1,159,383 km (0.095 R)
• M3: 1,513,631 km (0.093 R)
• M4: 1,782,159 km (0.057 R)
• M5: 2,560,068 km (0.065 R)
• M6: 3,545,769 km (0.079 R)
• M7: 5,029,929 km (0.097 R)
• M8: 5,675,294 km (0.064 R)
• M9: 6,558,071 km (0.119 R)
• M10: 7,631,436 km (0.054 R)
• M11: 8,427,446 km (0.083 R)
• M12: 9,219,268 km (0.115 R)
• M13: 9,814,368 km (0.096 R)
• M14: 10,059,559 km (0.063 R)
• M15: 10,562,208 km (0.029 R)
• M16: 12,170,684 km (0.11 R)
• M17: 15,865,602 km (0.073 R)
• M18: 16,894,088 km (0.092 R)
• M19: 22,182,223 km (0.12 R)
• M20: 23,795,486 km (0.072 R)
• M21: 28,726,382 km (0.063 R)
• M22: 30,251,233 km (0.058 R)
• M23: 33,323,075 km (0.102 R)
• M24: 39,922,735 km (0.108 R)
• M25: 45,961,552 km (0.105 R)
• M26: 53,712,218 km (0.076 R)
• M27: 60,219,127 km (0.065 R)
• M28: 68,340,346 km (0.094 R)
• M29: 70,138,214 km (0.083 R)
• M30: 71,737,116 km (0.114 R)
• M31: 77,888,580 km (0.075 R)
• M32: 79,602,972 km (0.071 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 313 - 15,102 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit