🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.7

Radius: 8.7

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.68 AU - 0.68 AU

Year: 368 Days

Day: 9.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,381,931 km

• M1: 108,309 km (0.093 R)
• M2: 428,747 km (0.094 R)
• M3: 702,661 km (0.057 R)
• M4: 981,212 km (0.099 R)
• M5: 1,290,132 km (0.109 R)
• M6: 1,604,886 km (0.117 R)
• M7: 1,903,932 km (0.085 R)
• M8: 2,256,983 km (0.073 R)
• M9: 2,570,540 km (0.067 R)
• M10: 2,983,281 km (0.094 R)
• M11: 3,702,697 km (0.075 R)
• M12: 4,141,467 km (0.102 R)
• M13: 4,439,616 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.7

Radius: 11.3

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.88 AU - 0.94 AU

Year: 569 Days

Day: 7.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,381,931 km

• M1: 140,472 km (0.099 R)
• M2: 539,001 km (0.045 R)
• M3: 920,177 km (0.082 R)
• M4: 1,405,622 km (0.06 R)
• M5: 1,793,978 km (0.026 R)
• M6: 2,197,742 km (0.1 R)
• M7: 2,598,066 km (0.084 R)
• M8: 3,167,585 km (0.084 R)
• M9: 3,931,133 km (0.096 R)
• M10: 4,326,520 km (0.107 R)
• M11: 4,911,597 km (0.101 R)
• M12: 5,897,148 km (0.051 R)
• M13: 6,476,840 km (0.07 R)
• M14: 6,842,756 km (0.118 R)
• M15: 7,222,436 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.8

Radius: 13.2

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.84 AU - 1.06 AU

Year: 607 Days

Day: 5.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,381,931 km

• M1: 164,258 km (0.108 R)
• M2: 582,385 km (0.034 R)
• M3: 1,063,042 km (0.075 R)
• M4: 1,487,152 km (0.1 R)
• M5: 2,161,091 km (0.119 R)
• M6: 2,591,035 km (0.054 R)
• M7: 3,162,050 km (0.109 R)
• M8: 3,802,479 km (0.115 R)
• M9: 4,811,367 km (0.091 R)
• M10: 5,258,664 km (0.096 R)
• M11: 6,123,041 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.3

Radius: 13.5

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.26 AU - 1.58 AU

Year: 1110 Days

Day: 6 Hours

Environment

Temp: -178 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,381,931 km

• M1: 168,298 km (0.108 R)
• M2: 683,513 km (0.076 R)
• M3: 1,144,424 km (0.103 R)
• M4: 1,709,604 km (0.117 R)
• M5: 2,241,874 km (0.105 R)
• M6: 2,754,396 km (0.077 R)
• M7: 3,919,913 km (0.109 R)
• M8: 4,782,644 km (0.104 R)
• M9: 5,453,142 km (0.078 R)
• M10: 5,919,887 km (0.118 R)
• M11: 6,958,545 km (0.12 R)
• M12: 7,847,605 km (0.063 R)
• M13: 9,129,808 km (0.103 R)
• M14: 10,101,147 km (0.069 R)
• M15: 11,106,595 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.3

Radius: 14.7

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 4.8 AU - 5.66 AU

Year: 7846 Days

Day: 11.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,381,931 km

• M1: 185,651 km (0.112 R)
• M2: 651,648 km (0.076 R)
• M3: 1,232,238 km (0.084 R)
• M4: 1,956,291 km (0.056 R)
• M5: 2,676,605 km (0.045 R)
• M6: 3,407,989 km (0.057 R)
• M7: 3,959,108 km (0.071 R)
• M8: 4,854,451 km (0.069 R)
• M9: 6,464,423 km (0.082 R)
• M10: 6,936,255 km (0.058 R)
• M11: 7,747,375 km (0.065 R)
• M12: 8,492,222 km (0.118 R)
• M13: 10,515,534 km (0.105 R)
• M14: 11,799,233 km (0.091 R)
• M15: 13,947,608 km (0.105 R)
• M16: 15,368,339 km (0.119 R)
• M17: 18,787,099 km (0.049 R)
• M18: 23,523,517 km (0.101 R)
• M19: 24,470,920 km (0.099 R)
• M20: 26,718,479 km (0.095 R)
• M21: 29,198,662 km (0.097 R)
• M22: 33,739,705 km (0.078 R)
• M23: 39,689,213 km (0.113 R)
• M24: 40,417,904 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636

Radius: 13.4

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 4.95 AU - 6.41 AU

Year: 8880 Days

Day: 5.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,381,931 km

• M1: 166,652 km (0.11 R)
• M2: 624,870 km (0.075 R)
• M3: 1,657,694 km (0.069 R)
• M4: 2,328,940 km (0.088 R)
• M5: 3,264,824 km (0.101 R)
• M6: 3,733,514 km (0.08 R)
• M7: 4,220,455 km (0.089 R)
• M8: 5,709,104 km (0.099 R)
• M9: 6,646,484 km (0.095 R)
• M10: 9,934,944 km (0.093 R)
• M11: 12,994,669 km (0.054 R)
• M12: 15,634,922 km (0.077 R)
• M13: 21,627,663 km (0.093 R)
• M14: 22,616,804 km (0.079 R)
• M15: 25,311,661 km (0.118 R)
• M16: 28,116,920 km (0.088 R)
• M17: 28,701,847 km (0.117 R)
• M18: 29,394,635 km (0.111 R)
• M19: 31,960,089 km (0.038 R)
• M20: 33,787,577 km (0.11 R)
• M21: 34,449,098 km (0.093 R)
• M22: 35,797,723 km (0.113 R)
• M23: 39,081,097 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 748.4

Radius: 4.6

Gravity: 35.37 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 6.97 AU - 7.63 AU

Year: 12939 Days

Day: 23.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,381,931 km

• M1: 91,853 km (0.086 R)
• M2: 478,264 km (0.098 R)
• M3: 680,820 km (0.107 R)
• M4: 1,301,950 km (0.096 R)
• M5: 2,904,891 km (0.055 R)
• M6: 3,096,377 km (0.043 R)
• M7: 3,918,716 km (0.099 R)
• M8: 4,458,316 km (0.085 R)
• M9: 5,393,751 km (0.068 R)
• M10: 5,610,070 km (0.115 R)
• M11: 5,794,674 km (0.074 R)
• M12: 6,293,882 km (0.11 R)
• M13: 6,738,187 km (0.061 R)
• M14: 7,689,331 km (0.055 R)
• M15: 14,770,396 km (0.079 R)
• M16: 16,214,315 km (0.115 R)
• M17: 16,665,203 km (0.098 R)
• M18: 23,788,156 km (0.12 R)
• M19: 28,821,227 km (0.091 R)
• M20: 29,928,849 km (0.11 R)
• M21: 34,151,249 km (0.11 R)
• M22: 48,853,728 km (0.085 R)
• M23: 49,321,820 km (0.044 R)
• M24: 53,505,623 km (0.039 R)
• M25: 54,503,591 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 667.5

Radius: 7

Gravity: 13.62 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 7.26 AU - 8.92 AU

Year: 15095 Days

Day: 23.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 77,381,931 km

• M1: 95,892 km (0.116 R)
• M2: 315,053 km (0.116 R)
• M3: 550,071 km (0.112 R)
• M4: 788,979 km (0.095 R)
• M5: 1,074,562 km (0.101 R)
• M6: 1,343,688 km (0.108 R)
• M7: 1,723,068 km (0.11 R)
• M8: 2,563,210 km (0.115 R)
• M9: 2,857,319 km (0.067 R)
• M10: 3,275,894 km (0.071 R)
• M11: 4,582,632 km (0.112 R)
• M12: 4,813,461 km (0.093 R)
• M13: 5,701,923 km (0.081 R)
• M14: 6,779,476 km (0.105 R)
• M15: 7,344,208 km (0.107 R)
• M16: 8,081,576 km (0.058 R)
• M17: 8,969,140 km (0.042 R)
• M18: 9,436,484 km (0.086 R)
• M19: 9,757,072 km (0.117 R)
• M20: 11,835,136 km (0.056 R)
• M21: 15,041,767 km (0.034 R)
• M22: 15,553,242 km (0.06 R)
• M23: 17,958,476 km (0.088 R)
• M24: 20,423,251 km (0.11 R)
• M25: 23,982,334 km (0.077 R)
• M26: 29,607,064 km (0.031 R)
• M27: 31,227,359 km (0.076 R)
• M28: 42,932,943 km (0.116 R)
• M29: 47,924,426 km (0.109 R)
• M30: 50,640,525 km (0.117 R)
• M31: 51,788,240 km (0.073 R)
• M32: 54,135,430 km (0.079 R)
• M33: 54,647,354 km (0.114 R)
• M34: 59,946,709 km (0.088 R)
• M35: 60,494,686 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 623.7

Radius: 7.2

Gravity: 12.03 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 6.68 AU - 10.06 AU

Year: 15885 Days

Day: 22.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 77,381,931 km

• M1: 89,609 km (0.05 R)
• M2: 363,074 km (0.102 R)
• M3: 1,112,410 km (0.098 R)
• M4: 2,485,419 km (0.119 R)
• M5: 2,797,480 km (0.111 R)
• M6: 3,211,567 km (0.076 R)
• M7: 3,894,033 km (0.106 R)
• M8: 4,506,636 km (0.102 R)
• M9: 5,324,338 km (0.112 R)
• M10: 6,277,575 km (0.059 R)
• M11: 7,162,297 km (0.119 R)
• M12: 7,937,364 km (0.114 R)
• M13: 8,418,620 km (0.12 R)
• M14: 10,886,985 km (0.11 R)
• M15: 12,605,117 km (0.067 R)
• M16: 13,326,926 km (0.091 R)
• M17: 14,638,301 km (0.101 R)
• M18: 17,275,413 km (0.082 R)
• M19: 17,595,552 km (0.115 R)
• M20: 18,330,526 km (0.115 R)
• M21: 21,939,725 km (0.084 R)
• M22: 23,370,628 km (0.104 R)
• M23: 24,158,560 km (0.105 R)
• M24: 24,862,568 km (0.042 R)
• M25: 29,603,623 km (0.09 R)
• M26: 30,409,657 km (0.099 R)
• M27: 36,073,432 km (0.119 R)
• M28: 39,152,306 km (0.047 R)
• M29: 42,402,020 km (0.113 R)
• M30: 43,425,719 km (0.096 R)
• M31: 45,370,341 km (0.118 R)
• M32: 48,633,071 km (0.08 R)
• M33: 50,402,963 km (0.073 R)
• M34: 52,382,293 km (0.075 R)
• M35: 55,795,368 km (0.115 R)
• M36: 56,144,679 km (0.117 R)
• M37: 61,746,222 km (0.091 R)

Asteroid Belt

Center: 8.87 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 9.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 816.7

Radius: 3.1

Gravity: 84.98 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 8.41 AU - 10.31 AU

Year: 18786 Days

Day: 24.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 77.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 77,381,931 km

• M1: 38,596 km (0.03 R)
• M2: 179,069 km (0.026 R)
• M3: 289,322 km (0.055 R)
• M4: 398,828 km (0.103 R)
• M5: 1,004,400 km (0.098 R)
• M6: 1,577,809 km (0.058 R)
• M7: 1,754,633 km (0.11 R)
• M8: 2,211,505 km (0.092 R)
• M9: 2,894,569 km (0.089 R)
• M10: 3,298,184 km (0.099 R)
• M11: 3,707,634 km (0.057 R)
• M12: 3,892,985 km (0.086 R)
• M13: 4,282,538 km (0.053 R)
• M14: 5,566,537 km (0.082 R)
• M15: 5,768,793 km (0.097 R)
• M16: 6,017,874 km (0.111 R)
• M17: 6,361,051 km (0.099 R)
• M18: 8,592,154 km (0.103 R)
• M19: 9,026,885 km (0.073 R)
• M20: 11,103,004 km (0.116 R)
• M21: 12,489,926 km (0.106 R)
• M22: 12,697,119 km (0.094 R)
• M23: 12,836,544 km (0.102 R)
• M24: 13,476,225 km (0.109 R)
• M25: 14,896,208 km (0.058 R)
• M26: 17,336,299 km (0.09 R)
• M27: 20,029,809 km (0.09 R)
• M28: 22,681,281 km (0.07 R)
• M29: 23,509,455 km (0.068 R)
• M30: 23,931,171 km (0.057 R)
• M31: 29,148,098 km (0.067 R)
• M32: 29,390,596 km (0.108 R)
• M33: 36,741,985 km (0.055 R)
• M34: 50,270,120 km (0.052 R)
• M35: 52,208,610 km (0.119 R)
• M36: 53,649,387 km (0.069 R)
• M37: 57,938,807 km (0.09 R)
• M38: 58,900,571 km (0.112 R)
• M39: 64,895,706 km (0.107 R)
• M40: 71,504,641 km (0.076 R)
• M41: 74,404,595 km (0.105 R)
• M42: 74,630,787 km (0.095 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: 556 - 20,536 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit