🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.45 AU - 0.71 AU

Year: 290 Days

Day: 16.7 Hours

Environment

Temp: -125 °C

Axial Tilt: 101.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 14,837,540 km

• M1: 61,485 km (0.092 R)
• M2: 402,119 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.9

Radius: 13.1

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.74 AU - 1.04 AU

Year: 551 Days

Day: 10.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 14,837,540 km

• M1: 163,510 km (0.115 R)
• M2: 296,653 km (0.052 R)
• M3: 383,120 km (0.116 R)
• M4: 486,492 km (0.102 R)
• M5: 579,093 km (0.026 R)
• M6: 733,778 km (0.106 R)
• M7: 839,543 km (0.095 R)
• M8: 941,569 km (0.109 R)
• M9: 1,028,635 km (0.068 R)
• M10: 1,118,693 km (0.088 R)
• M11: 1,275,172 km (0.101 R)
• M12: 1,378,395 km (0.033 R)
• M13: 1,484,460 km (0.059 R)
• M14: 1,581,848 km (0.102 R)
• M15: 1,675,646 km (0.112 R)
• M16: 1,881,492 km (0.084 R)
• M17: 2,044,853 km (0.087 R)
• M18: 2,128,179 km (0.107 R)
• M19: 2,252,346 km (0.055 R)
• M20: 2,352,127 km (0.093 R)
• M21: 2,508,008 km (0.106 R)
• M22: 2,639,505 km (0.086 R)
• M23: 2,780,426 km (0.104 R)
• M24: 2,982,084 km (0.082 R)
• M25: 3,114,328 km (0.081 R)
• M26: 3,316,435 km (0.098 R)
• M27: 3,430,728 km (0.057 R)
• M28: 3,546,218 km (0.117 R)
• M29: 3,639,716 km (0.055 R)
• M30: 3,749,671 km (0.073 R)
• M31: 3,924,850 km (0.092 R)
• M32: 4,078,487 km (0.051 R)
• M33: 4,250,524 km (0.095 R)
• M34: 4,424,955 km (0.101 R)
• M35: 4,593,403 km (0.082 R)
• M36: 4,764,094 km (0.086 R)
• M37: 5,006,592 km (0.115 R)
• M38: 5,111,759 km (0.094 R)
• M39: 5,449,701 km (0.08 R)
• M40: 5,621,439 km (0.074 R)
• M41: 5,840,899 km (0.062 R)
• M42: 6,035,376 km (0.097 R)
• M43: 6,156,850 km (0.094 R)
• M44: 6,250,797 km (0.119 R)
• M45: 6,392,766 km (0.074 R)
• M46: 6,545,356 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.4

Radius: 13.2

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.18 AU - 1.32 AU

Year: 917 Days

Day: 8.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 14,837,540 km

• M1: 164,258 km (0.03 R)
• M2: 252,820 km (0.047 R)
• M3: 361,428 km (0.091 R)
• M4: 450,140 km (0.071 R)
• M5: 564,582 km (0.057 R)
• M6: 650,900 km (0.1 R)
• M7: 739,313 km (0.119 R)
• M8: 825,182 km (0.096 R)
• M9: 918,681 km (0.076 R)
• M10: 1,084,884 km (0.097 R)
• M11: 1,180,477 km (0.086 R)
• M12: 1,336,208 km (0.107 R)
• M13: 1,508,395 km (0.12 R)
• M14: 1,669,063 km (0.1 R)
• M15: 1,776,176 km (0.099 R)
• M16: 1,890,767 km (0.106 R)
• M17: 1,987,408 km (0.06 R)
• M18: 2,101,401 km (0.065 R)
• M19: 2,185,774 km (0.099 R)
• M20: 2,282,116 km (0.116 R)
• M21: 2,418,399 km (0.101 R)
• M22: 2,540,621 km (0.061 R)
• M23: 2,739,436 km (0.059 R)
• M24: 2,855,524 km (0.027 R)
• M25: 2,943,637 km (0.079 R)
• M26: 3,026,664 km (0.081 R)
• M27: 3,262,281 km (0.079 R)
• M28: 3,454,065 km (0.094 R)
• M29: 3,579,727 km (0.101 R)
• M30: 3,681,454 km (0.062 R)
• M31: 3,816,541 km (0.054 R)
• M32: 4,285,231 km (0.062 R)
• M33: 4,800,446 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.6

Radius: 10.1

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.93 AU - 2.91 AU

Year: 2470 Days

Day: 5.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 14,837,540 km

• M1: 137,480 km (0.095 R)
• M2: 231,578 km (0.102 R)
• M3: 331,658 km (0.118 R)
• M4: 409,749 km (0.11 R)
• M5: 644,468 km (0.104 R)
• M6: 741,407 km (0.12 R)
• M7: 871,856 km (0.12 R)
• M8: 958,474 km (0.1 R)
• M9: 1,101,938 km (0.065 R)
• M10: 1,737,430 km (0.086 R)
• M11: 2,000,572 km (0.12 R)
• M12: 2,670,920 km (0.042 R)
• M13: 2,821,715 km (0.067 R)
• M14: 2,909,080 km (0.105 R)
• M15: 3,030,853 km (0.098 R)
• M16: 3,177,010 km (0.031 R)
• M17: 3,664,998 km (0.105 R)
• M18: 3,917,819 km (0.093 R)
• M19: 4,339,385 km (0.1 R)
• M20: 4,788,628 km (0.106 R)
• M21: 4,867,167 km (0.092 R)
• M22: 5,456,134 km (0.119 R)
• M23: 5,856,607 km (0.07 R)
• M24: 6,067,540 km (0.087 R)
• M25: 6,730,109 km (0.11 R)
• M26: 7,010,455 km (0.056 R)
• M27: 7,340,020 km (0.11 R)
• M28: 8,123,314 km (0.108 R)
• M29: 8,564,628 km (0.117 R)
• M30: 8,740,106 km (0.091 R)
• M31: 8,836,447 km (0.105 R)
• M32: 9,062,340 km (0.099 R)
• M33: 9,273,871 km (0.109 R)
• M34: 9,487,048 km (0.089 R)
• M35: 9,602,538 km (0.096 R)
• M36: 10,153,207 km (0.089 R)
• M37: 10,237,581 km (0.098 R)
• M38: 10,372,967 km (0.042 R)
• M39: 10,696,996 km (0.078 R)
• M40: 10,920,645 km (0.11 R)
• M41: 11,111,083 km (0.052 R)
• M42: 11,267,712 km (0.115 R)
• M43: 11,600,866 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.6

Radius: 11.5

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.51 AU - 4.57 AU

Year: 5327 Days

Day: 7.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 14,837,540 km

• M1: 175,628 km (0.088 R)
• M2: 353,649 km (0.041 R)
• M3: 487,988 km (0.108 R)
• M4: 671,844 km (0.036 R)
• M5: 839,693 km (0.112 R)
• M6: 1,200,373 km (0.074 R)
• M7: 1,302,848 km (0.096 R)
• M8: 1,379,292 km (0.113 R)
• M9: 1,516,922 km (0.103 R)
• M10: 1,597,705 km (0.075 R)
• M11: 1,763,908 km (0.097 R)
• M12: 1,849,179 km (0.097 R)
• M13: 1,990,848 km (0.061 R)
• M14: 2,181,735 km (0.103 R)
• M15: 2,485,569 km (0.089 R)
• M16: 2,778,182 km (0.04 R)
• M17: 3,056,284 km (0.053 R)
• M18: 3,356,827 km (0.082 R)
• M19: 3,694,469 km (0.074 R)
• M20: 3,804,872 km (0.078 R)
• M21: 3,888,348 km (0.083 R)
• M22: 4,214,322 km (0.047 R)
• M23: 4,388,005 km (0.118 R)
• M24: 4,475,669 km (0.086 R)
• M25: 4,623,322 km (0.12 R)
• M26: 4,999,262 km (0.089 R)
• M27: 5,106,224 km (0.051 R)
• M28: 5,400,782 km (0.042 R)
• M29: 5,479,172 km (0.057 R)
• M30: 5,605,582 km (0.063 R)
• M31: 5,700,876 km (0.071 R)
• M32: 6,284,457 km (0.069 R)
• M33: 6,400,246 km (0.095 R)
• M34: 6,717,992 km (0.045 R)
• M35: 6,887,187 km (0.114 R)
• M36: 6,972,458 km (0.084 R)
• M37: 7,109,489 km (0.097 R)
• M38: 7,212,861 km (0.035 R)
• M39: 7,299,329 km (0.108 R)
• M40: 7,421,102 km (0.059 R)
• M41: 7,525,970 km (0.101 R)
• M42: 8,039,988 km (0.071 R)
• M43: 8,328,413 km (0.058 R)
• M44: 8,492,222 km (0.1 R)
• M45: 8,841,384 km (0.101 R)
• M46: 8,989,934 km (0.1 R)
• M47: 9,139,233 km (0.092 R)
• M48: 9,308,129 km (0.082 R)
• M49: 9,725,657 km (0.086 R)
• M50: 10,736,490 km (0.098 R)
• M51: 10,855,270 km (0.107 R)
• M52: 12,170,236 km (0.101 R)
• M53: 12,377,129 km (0.056 R)
• M54: 12,731,228 km (0.101 R)
• M55: 13,428,354 km (0.104 R)
• M56: 13,620,587 km (0.025 R)
• M57: 13,706,456 km (0.065 R)
• M58: 14,398,945 km (0.099 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: 232 - 18,994 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit