🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.3

Radius: 14.5

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.15 AU - 1.27 AU

Year: 903 Days

Day: 6.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 69,411,587 km

• M1: 180,265 km (0.084 R)
• M2: 743,501 km (0.116 R)
• M3: 1,315,115 km (0.117 R)
• M4: 2,142,840 km (0.049 R)
• M5: 2,750,207 km (0.059 R)
• M6: 3,493,559 km (0.072 R)
• M7: 3,979,902 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.7

Radius: 8.1

Gravity: 13.47 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.5 AU - 2.06 AU

Year: 1611 Days

Day: 7.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,411,587 km

• M1: 103,223 km (0.115 R)
• M2: 364,271 km (0.052 R)
• M3: 709,244 km (0.083 R)
• M4: 990,188 km (0.034 R)
• M5: 1,381,387 km (0.053 R)
• M6: 1,673,851 km (0.098 R)
• M7: 1,939,536 km (0.094 R)
• M8: 2,781,473 km (0.111 R)
• M9: 3,382,557 km (0.112 R)
• M10: 3,758,198 km (0.062 R)
• M11: 4,161,514 km (0.051 R)
• M12: 4,841,585 km (0.09 R)
• M13: 5,252,680 km (0.074 R)
• M14: 5,997,528 km (0.075 R)
• M15: 7,327,603 km (0.037 R)
• M16: 7,782,680 km (0.117 R)
• M17: 8,166,249 km (0.113 R)
• M18: 8,718,115 km (0.118 R)
• M19: 9,998,822 km (0.095 R)
• M20: 10,381,793 km (0.099 R)
• M21: 10,702,232 km (0.107 R)
• M22: 13,051,816 km (0.063 R)
• M23: 14,150,463 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.6

Radius: 13.8

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.91 AU - 1.97 AU

Year: 1833 Days

Day: 6.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,411,587 km

• M1: 171,589 km (0.101 R)
• M2: 628,909 km (0.078 R)
• M3: 1,161,328 km (0.086 R)
• M4: 1,590,824 km (0.1 R)
• M5: 2,555,281 km (0.071 R)
• M6: 3,213,362 km (0.055 R)
• M7: 4,319,639 km (0.113 R)
• M8: 6,521,420 km (0.11 R)
• M9: 8,992,178 km (0.114 R)
• M10: 9,452,491 km (0.096 R)
• M11: 10,894,764 km (0.086 R)
• M12: 12,898,328 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.6

Radius: 8.2

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.65 AU - 2.31 AU

Year: 1890 Days

Day: 11.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,411,587 km

• M1: 110,254 km (0.087 R)
• M2: 367,712 km (0.089 R)
• M3: 1,482,814 km (0.092 R)
• M4: 1,846,786 km (0.119 R)
• M5: 2,125,337 km (0.099 R)
• M6: 2,992,556 km (0.083 R)
• M7: 5,777,769 km (0.106 R)
• M8: 6,042,408 km (0.072 R)
• M9: 6,400,844 km (0.115 R)
• M10: 7,091,089 km (0.081 R)
• M11: 7,514,151 km (0.101 R)
• M12: 8,938,473 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.2

Radius: 13.1

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.2 AU - 5.52 AU

Year: 7267 Days

Day: 10.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 69,411,587 km

• M1: 163,211 km (0.118 R)
• M2: 616,194 km (0.081 R)
• M3: 1,952,851 km (0.094 R)
• M4: 2,492,749 km (0.109 R)
• M5: 3,055,387 km (0.097 R)
• M6: 3,944,746 km (0.096 R)
• M7: 5,026,488 km (0.106 R)
• M8: 6,581,708 km (0.118 R)
• M9: 8,026,075 km (0.102 R)
• M10: 9,424,516 km (0.075 R)
• M11: 10,181,930 km (0.108 R)
• M12: 10,934,108 km (0.045 R)
• M13: 11,440,348 km (0.09 R)
• M14: 12,599,432 km (0.091 R)
• M15: 14,482,869 km (0.118 R)
• M16: 15,263,770 km (0.062 R)
• M17: 16,368,401 km (0.105 R)
• M18: 18,092,217 km (0.105 R)
• M19: 19,064,154 km (0.073 R)
• M20: 19,866,448 km (0.112 R)
• M21: 20,552,055 km (0.065 R)
• M22: 23,002,169 km (0.083 R)
• M23: 23,758,386 km (0.097 R)
• M24: 25,640,925 km (0.089 R)
• M25: 27,200,334 km (0.105 R)
• M26: 27,705,675 km (0.103 R)
• M27: 28,303,169 km (0.114 R)
• M28: 29,259,548 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.7

Radius: 14.3

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 4.79 AU - 5.29 AU

Year: 7674 Days

Day: 6.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 69,411,587 km

• M1: 185,352 km (0.063 R)
• M2: 641,476 km (0.117 R)
• M3: 1,367,175 km (0.065 R)
• M4: 1,983,668 km (0.105 R)
• M5: 2,446,823 km (0.079 R)
• M6: 2,902,049 km (0.096 R)
• M7: 3,391,683 km (0.062 R)
• M8: 4,297,049 km (0.091 R)
• M9: 5,901,337 km (0.07 R)
• M10: 6,587,542 km (0.059 R)
• M11: 7,403,299 km (0.106 R)
• M12: 8,079,033 km (0.06 R)
• M13: 9,326,679 km (0.064 R)
• M14: 10,551,287 km (0.098 R)
• M15: 10,999,333 km (0.106 R)
• M16: 15,244,771 km (0.1 R)
• M17: 16,274,752 km (0.053 R)
• M18: 17,905,968 km (0.067 R)
• M19: 19,793,444 km (0.051 R)
• M20: 21,175,728 km (0.114 R)
• M21: 26,431,849 km (0.093 R)
• M22: 28,202,191 km (0.114 R)
• M23: 30,349,518 km (0.052 R)
• M24: 31,771,446 km (0.065 R)
• M25: 36,417,058 km (0.046 R)
• M26: 39,079,003 km (0.103 R)
• M27: 39,674,402 km (0.117 R)
• M28: 40,155,060 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.4

Radius: 11.8

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 4.6 AU - 6.38 AU

Year: 8725 Days

Day: 6.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,411,587 km

• M1: 146,756 km (0.116 R)
• M2: 1,847,982 km (0.1 R)
• M3: 2,303,658 km (0.118 R)
• M4: 2,735,547 km (0.113 R)
• M5: 3,494,307 km (0.112 R)
• M6: 5,451,346 km (0.103 R)
• M7: 6,176,896 km (0.05 R)
• M8: 12,893,990 km (0.101 R)
• M9: 13,925,916 km (0.084 R)
• M10: 14,397,149 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 64.8

Radius: 5.8

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 5.94 AU - 6.92 AU

Year: 11059 Days

Day: 15 Hours

Environment

Temp: -228 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,411,587 km

• M1: 72,256 km (0.059 R)
• M2: 476,619 km (0.118 R)
• M3: 669,899 km (0.1 R)
• M4: 939,624 km (0.07 R)
• M5: 1,241,962 km (0.104 R)
• M6: 1,432,100 km (0.088 R)
• M7: 1,641,986 km (0.086 R)
• M8: 2,845,202 km (0.111 R)
• M9: 3,070,795 km (0.108 R)
• M10: 3,597,829 km (0.069 R)
• M11: 4,294,057 km (0.096 R)
• M12: 4,805,682 km (0.084 R)
• M13: 6,349,233 km (0.111 R)
• M14: 6,857,866 km (0.056 R)
• M15: 7,990,321 km (0.117 R)
• M16: 11,552,097 km (0.085 R)
• M17: 15,194,207 km (0.107 R)
• M18: 17,273,468 km (0.073 R)
• M19: 18,680,137 km (0.081 R)
• M20: 19,784,169 km (0.075 R)
• M21: 21,191,586 km (0.083 R)
• M22: 22,323,892 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 558.7

Radius: 3.9

Gravity: 36.73 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 6 AU - 8.84 AU

Year: 13709 Days

Day: 23.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 69,411,587 km

• M1: 48,619 km (0.113 R)
• M2: 196,721 km (0.07 R)
• M3: 409,599 km (0.089 R)
• M4: 792,869 km (0.075 R)
• M5: 1,041,650 km (0.039 R)
• M6: 1,569,431 km (0.093 R)
• M7: 2,711,611 km (0.082 R)
• M8: 3,771,213 km (0.115 R)
• M9: 5,528,988 km (0.076 R)
• M10: 7,033,942 km (0.097 R)
• M11: 7,723,289 km (0.089 R)
• M12: 7,947,686 km (0.052 R)
• M13: 13,464,856 km (0.067 R)
• M14: 13,659,183 km (0.103 R)
• M15: 15,851,390 km (0.096 R)
• M16: 16,955,273 km (0.065 R)
• M17: 17,258,059 km (0.105 R)
• M18: 18,826,294 km (0.105 R)
• M19: 24,096,926 km (0.112 R)
• M20: 30,160,876 km (0.081 R)
• M21: 31,393,712 km (0.052 R)
• M22: 32,776,295 km (0.077 R)
• M23: 36,284,365 km (0.108 R)
• M24: 38,713,535 km (0.099 R)
• M25: 51,385,373 km (0.087 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 596.1

Radius: 3.8

Gravity: 41.28 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 7.06 AU - 11.18 AU

Year: 18680 Days

Day: 17.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 178.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 69,411,587 km

• M1: 48,919 km (0.068 R)
• M2: 199,713 km (0.043 R)
• M3: 708,196 km (0.094 R)
• M4: 936,034 km (0.117 R)
• M5: 1,704,219 km (0.051 R)
• M6: 2,093,772 km (0.095 R)
• M7: 2,236,039 km (0.046 R)
• M8: 3,913,779 km (0.073 R)
• M9: 6,200,981 km (0.082 R)
• M10: 6,581,110 km (0.061 R)
• M11: 6,931,917 km (0.097 R)
• M12: 7,481,090 km (0.048 R)
• M13: 7,960,701 km (0.054 R)
• M14: 8,257,952 km (0.041 R)
• M15: 9,140,729 km (0.114 R)
• M16: 12,228,728 km (0.086 R)
• M17: 13,234,026 km (0.111 R)
• M18: 15,331,538 km (0.101 R)
• M19: 16,103,463 km (0.112 R)
• M20: 16,260,840 km (0.058 R)
• M21: 17,391,650 km (0.038 R)
• M22: 18,060,801 km (0.106 R)
• M23: 19,718,495 km (0.078 R)
• M24: 20,630,444 km (0.113 R)
• M25: 22,735,136 km (0.107 R)
• M26: 23,635,865 km (0.083 R)
• M27: 25,295,504 km (0.086 R)
• M28: 28,613,585 km (0.105 R)
• M29: 30,376,446 km (0.098 R)
• M30: 30,858,600 km (0.057 R)
• M31: 31,714,300 km (0.109 R)
• M32: 34,506,993 km (0.088 R)
• M33: 43,098,249 km (0.095 R)
• M34: 47,964,668 km (0.115 R)
• M35: 53,010,454 km (0.086 R)
• M36: 54,590,507 km (0.047 R)
• M37: 56,201,676 km (0.119 R)
• M38: 56,745,614 km (0.034 R)
• M39: 62,963,500 km (0.117 R)
• M40: 63,354,249 km (0.119 R)
• M41: 65,132,819 km (0.04 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 416 - 12,177 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit