🌌 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 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.5 AU - 0.54 AU

Year: 238 Days

Day: 13 Hours

Environment

Temp: -118 °C

Axial Tilt: 36.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.44 AU - 0.7 AU

Year: 274 Days

Day: 13.8 Hours

Environment

Temp: -120 °C

Axial Tilt: 26.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,605,048 km

• M1: 166,802 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.3

Radius: 12.3

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.58 AU - 0.92 AU

Year: 413 Days

Day: 11.4 Hours

Environment

Temp: -135 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 43,605,048 km

• M1: 154,385 km (0.094 R)
• M2: 283,488 km (0.115 R)
• M3: 360,381 km (0.071 R)
• M4: 470,186 km (0.081 R)
• M5: 556,205 km (0.065 R)
• M6: 659,876 km (0.078 R)
• M7: 743,651 km (0.108 R)
• M8: 843,732 km (0.066 R)
• M9: 1,023,549 km (0.101 R)
• M10: 1,160,131 km (0.09 R)
• M11: 1,293,423 km (0.113 R)
• M12: 1,437,187 km (0.096 R)
• M13: 1,529,339 km (0.117 R)
• M14: 1,639,443 km (0.093 R)
• M15: 1,730,548 km (0.086 R)
• M16: 1,845,589 km (0.065 R)
• M17: 1,929,513 km (0.064 R)
• M18: 2,089,583 km (0.032 R)
• M19: 2,290,044 km (0.113 R)
• M20: 2,484,521 km (0.062 R)
• M21: 2,602,704 km (0.083 R)
• M22: 2,729,264 km (0.079 R)
• M23: 2,806,157 km (0.043 R)
• M24: 2,896,813 km (0.114 R)
• M25: 2,988,367 km (0.119 R)
• M26: 3,101,164 km (0.049 R)
• M27: 3,222,039 km (0.07 R)
• M28: 3,323,915 km (0.083 R)
• M29: 3,524,227 km (0.08 R)
• M30: 3,615,182 km (0.104 R)
• M31: 3,792,605 km (0.034 R)
• M32: 3,886,104 km (0.106 R)
• M33: 3,973,020 km (0.097 R)
• M34: 4,075,196 km (0.088 R)
• M35: 4,237,659 km (0.039 R)
• M36: 4,334,748 km (0.061 R)
• M37: 4,455,324 km (0.112 R)
• M38: 4,645,762 km (0.119 R)
• M39: 4,917,132 km (0.055 R)
• M40: 5,161,725 km (0.1 R)
• M41: 5,265,546 km (0.113 R)
• M42: 5,459,125 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.9

Radius: 10.9

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.69 AU - 0.91 AU

Year: 455 Days

Day: 10.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 43,605,048 km

• M1: 147,803 km (0.118 R)
• M2: 221,106 km (0.083 R)
• M3: 302,936 km (0.108 R)
• M4: 371,003 km (0.117 R)
• M5: 468,391 km (0.114 R)
• M6: 552,315 km (0.068 R)
• M7: 867,518 km (0.093 R)
• M8: 945,159 km (0.05 R)
• M9: 1,020,407 km (0.114 R)
• M10: 1,258,716 km (0.103 R)
• M11: 1,381,985 km (0.119 R)
• M12: 1,521,261 km (0.052 R)
• M13: 1,708,408 km (0.055 R)
• M14: 1,820,606 km (0.113 R)
• M15: 1,909,467 km (0.096 R)
• M16: 2,013,139 km (0.099 R)
• M17: 2,085,394 km (0.098 R)
• M18: 2,212,553 km (0.116 R)
• M19: 2,287,351 km (0.118 R)
• M20: 2,376,811 km (0.1 R)
• M21: 2,467,467 km (0.076 R)
• M22: 2,559,470 km (0.096 R)
• M23: 2,659,701 km (0.076 R)
• M24: 2,732,106 km (0.095 R)
• M25: 2,931,221 km (0.101 R)
• M26: 3,036,388 km (0.077 R)
• M27: 3,127,493 km (0.112 R)
• M28: 3,234,904 km (0.079 R)
• M29: 3,422,051 km (0.059 R)
• M30: 3,532,903 km (0.113 R)
• M31: 3,612,938 km (0.104 R)
• M32: 3,782,732 km (0.073 R)
• M33: 4,005,184 km (0.111 R)
• M34: 4,080,132 km (0.075 R)
• M35: 4,155,679 km (0.094 R)
• M36: 4,351,054 km (0.113 R)
• M37: 4,514,565 km (0.099 R)
• M38: 4,689,145 km (0.116 R)
• M39: 4,759,456 km (0.119 R)
• M40: 4,972,932 km (0.075 R)
• M41: 5,044,739 km (0.109 R)
• M42: 5,189,401 km (0.066 R)
• M43: 5,344,833 km (0.066 R)
• M44: 5,791,682 km (0.101 R)
• M45: 6,000,520 km (0.115 R)
• M46: 6,173,306 km (0.11 R)
• M47: 6,741,329 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.6

Radius: 14

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.31 AU - 1.47 AU

Year: 1042 Days

Day: 9.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 43,605,048 km

• M1: 190,288 km (0.058 R)
• M2: 286,779 km (0.082 R)
• M3: 483,500 km (0.113 R)
• M4: 596,148 km (0.076 R)
• M5: 731,085 km (0.103 R)
• M6: 865,872 km (0.049 R)
• M7: 1,049,130 km (0.104 R)
• M8: 1,274,424 km (0.058 R)
• M9: 1,389,615 km (0.12 R)
• M10: 1,478,625 km (0.075 R)
• M11: 1,709,904 km (0.04 R)
• M12: 1,887,327 km (0.057 R)
• M13: 2,079,560 km (0.084 R)
• M14: 2,287,351 km (0.088 R)
• M15: 2,447,720 km (0.112 R)
• M16: 2,566,052 km (0.081 R)
• M17: 2,789,551 km (0.105 R)
• M18: 3,236,251 km (0.116 R)
• M19: 3,560,579 km (0.036 R)
• M20: 3,705,838 km (0.044 R)
• M21: 4,328,914 km (0.077 R)
• M22: 4,439,766 km (0.11 R)
• M23: 4,596,544 km (0.109 R)
• M24: 4,709,640 km (0.073 R)
• M25: 4,858,041 km (0.116 R)
• M26: 5,066,132 km (0.025 R)
• M27: 5,218,423 km (0.092 R)
• M28: 5,372,060 km (0.115 R)
• M29: 5,672,153 km (0.061 R)
• M30: 5,769,242 km (0.061 R)
• M31: 5,928,414 km (0.102 R)
• M32: 6,313,629 km (0.08 R)
• M33: 6,414,457 km (0.079 R)
• M34: 6,566,599 km (0.081 R)
• M35: 6,758,682 km (0.12 R)
• M36: 6,887,636 km (0.107 R)
• M37: 7,043,517 km (0.092 R)
• M38: 7,135,070 km (0.115 R)
• M39: 7,226,924 km (0.08 R)
• M40: 7,478,398 km (0.079 R)
• M41: 7,705,936 km (0.099 R)
• M42: 8,305,375 km (0.087 R)
• M43: 8,429,990 km (0.104 R)
• M44: 8,666,803 km (0.096 R)
• M45: 9,104,377 km (0.112 R)
• M46: 9,361,835 km (0.119 R)
• M47: 9,549,281 km (0.115 R)
• M48: 9,854,760 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 343.2

Radius: 6.5

Gravity: 8.12 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 5.9 AU - 8.48 AU

Year: 12258 Days

Day: 19.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 43,605,048 km

• M1: 378,183 km (0.113 R)
• M2: 673,190 km (0.096 R)
• M3: 1,028,934 km (0.117 R)
• M4: 1,582,895 km (0.111 R)
• M5: 1,647,073 km (0.093 R)
• M6: 1,981,274 km (0.071 R)
• M7: 2,385,188 km (0.106 R)
• M8: 2,660,149 km (0.093 R)
• M9: 2,736,893 km (0.116 R)
• M10: 3,349,496 km (0.106 R)
• M11: 4,541,492 km (0.098 R)
• M12: 4,664,312 km (0.082 R)
• M13: 4,850,412 km (0.088 R)
• M14: 4,913,093 km (0.111 R)
• M15: 5,391,358 km (0.107 R)
• M16: 5,619,644 km (0.113 R)
• M17: 6,255,136 km (0.096 R)
• M18: 6,494,941 km (0.104 R)
• M19: 6,772,744 km (0.026 R)
• M20: 7,340,169 km (0.092 R)
• M21: 7,593,139 km (0.095 R)
• M22: 7,702,495 km (0.073 R)
• M23: 8,033,555 km (0.064 R)
• M24: 8,482,199 km (0.093 R)
• M25: 8,595,594 km (0.04 R)
• M26: 8,785,883 km (0.074 R)
• M27: 9,093,007 km (0.079 R)
• M28: 9,403,872 km (0.038 R)
• M29: 9,718,027 km (0.066 R)
• M30: 10,518,675 km (0.119 R)
• M31: 10,844,948 km (0.102 R)
• M32: 10,926,928 km (0.089 R)
• M33: 11,050,496 km (0.065 R)
• M34: 11,885,401 km (0.111 R)
• M35: 12,012,410 km (0.109 R)
• M36: 12,267,773 km (0.091 R)
• M37: 12,697,418 km (0.083 R)
• M38: 12,870,653 km (0.113 R)
• M39: 13,044,635 km (0.102 R)
• M40: 13,527,238 km (0.091 R)
• M41: 13,748,493 km (0.07 R)
• M42: 14,015,675 km (0.12 R)
• M43: 14,104,985 km (0.115 R)
• M44: 14,645,482 km (0.035 R)
• M45: 14,963,976 km (0.034 R)
• M46: 15,653,921 km (0.101 R)
• M47: 15,839,722 km (0.1 R)
• M48: 15,932,921 km (0.106 R)
• M49: 16,354,338 km (0.075 R)
• M50: 16,448,585 km (0.06 R)
• M51: 16,922,062 km (0.064 R)
• M52: 17,592,410 km (0.114 R)
• M53: 17,979,420 km (0.034 R)
• M54: 18,222,666 km (0.083 R)
• M55: 18,467,109 km (0.04 R)
• M56: 18,614,313 km (0.1 R)
• M57: 20,309,108 km (0.108 R)
• M58: 20,867,856 km (0.075 R)
• M59: 22,626,828 km (0.068 R)
• M60: 22,837,013 km (0.091 R)
• M61: 23,524,116 km (0.027 R)
• M62: 23,683,587 km (0.115 R)
• M63: 23,790,250 km (0.093 R)
• M64: 23,950,320 km (0.092 R)
• M65: 25,189,888 km (0.04 R)
• M66: 26,119,489 km (0.05 R)
• M67: 26,229,593 km (0.094 R)
• M68: 26,395,048 km (0.05 R)
• M69: 28,861,020 km (0.077 R)
• M70: 29,203,000 km (0.081 R)
• M71: 29,431,735 km (0.098 R)
• M72: 30,006,042 km (0.095 R)
• M73: 30,584,088 km (0.025 R)
• M74: 31,575,174 km (0.101 R)
• M75: 31,927,626 km (0.068 R)
• M76: 32,163,243 km (0.058 R)
• M77: 33,230,624 km (0.108 R)
• M78: 33,409,543 km (0.114 R)
• M79: 33,529,072 km (0.12 R)
• M80: 33,768,578 km (0.072 R)
• M81: 34,128,959 km (0.088 R)
• M82: 35,582,751 km (0.054 R)
• M83: 35,643,787 km (0.117 R)
• M84: 37,863,520 km (0.11 R)
• M85: 37,988,135 km (0.037 R)
• M86: 38,050,518 km (0.082 R)
• M87: 38,738,817 km (0.057 R)
• M88: 40,636,616 km (0.064 R)
• M89: 41,083,914 km (0.072 R)
• M90: 43,083,738 km (0.101 R)
• M91: 43,605,087 km (0.12 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: 351 - 11,315 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit