🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.8

Radius: 14.9

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.82 AU - 0.82 AU

Year: 513 Days

Day: 8.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 70,940,756 km

• M1: 185,501 km (0.045 R)
• M2: 842,535 km (0.083 R)
• M3: 1,853,069 km (0.059 R)
• M4: 2,857,469 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.9

Radius: 11.1

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.76 AU - 1.94 AU

Year: 1737 Days

Day: 8.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 177 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,940,756 km

• M1: 138,079 km (0.053 R)
• M2: 497,862 km (0.116 R)
• M3: 1,186,910 km (0.109 R)
• M4: 2,961,739 km (0.102 R)
• M5: 4,434,380 km (0.069 R)
• M6: 6,278,024 km (0.107 R)
• M7: 7,207,027 km (0.115 R)
• M8: 9,013,870 km (0.111 R)
• M9: 10,038,167 km (0.103 R)
• M10: 10,385,683 km (0.087 R)
• M11: 11,579,773 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.5

Radius: 12.2

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.34 AU - 3.92 AU

Year: 4774 Days

Day: 14.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 144.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,940,756 km

• M1: 152,889 km (0.08 R)
• M2: 644,168 km (0.108 R)
• M3: 1,102,686 km (0.082 R)
• M4: 2,197,443 km (0.09 R)
• M5: 3,023,672 km (0.052 R)
• M6: 3,682,651 km (0.1 R)
• M7: 4,069,062 km (0.071 R)
• M8: 4,459,064 km (0.05 R)
• M9: 5,476,778 km (0.09 R)
• M10: 6,069,934 km (0.046 R)
• M11: 6,959,443 km (0.075 R)
• M12: 7,587,903 km (0.093 R)
• M13: 9,424,217 km (0.114 R)
• M14: 10,530,942 km (0.103 R)
• M15: 13,751,335 km (0.104 R)
• M16: 17,397,634 km (0.106 R)
• M17: 18,062,447 km (0.101 R)
• M18: 18,932,957 km (0.118 R)
• M19: 24,981,797 km (0.118 R)
• M20: 25,828,222 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.6

Radius: 13.7

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 4.76 AU - 5.58 AU

Year: 8114 Days

Day: 13.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 70,940,756 km

• M1: 172,187 km (0.102 R)
• M2: 744,698 km (0.105 R)
• M3: 1,433,447 km (0.085 R)
• M4: 2,454,602 km (0.099 R)
• M5: 3,135,871 km (0.064 R)
• M6: 4,194,874 km (0.094 R)
• M7: 4,908,456 km (0.116 R)
• M8: 5,637,745 km (0.089 R)
• M9: 6,614,320 km (0.104 R)
• M10: 7,050,248 km (0.111 R)
• M11: 9,345,379 km (0.032 R)
• M12: 9,989,547 km (0.111 R)
• M13: 10,811,438 km (0.084 R)
• M14: 16,193,820 km (0.055 R)
• M15: 17,671,996 km (0.108 R)
• M16: 18,372,862 km (0.068 R)
• M17: 20,434,471 km (0.081 R)
• M18: 22,974,643 km (0.113 R)
• M19: 23,473,402 km (0.049 R)
• M20: 24,064,313 km (0.111 R)
• M21: 25,364,169 km (0.088 R)
• M22: 27,169,516 km (0.035 R)
• M23: 28,866,405 km (0.115 R)
• M24: 29,349,905 km (0.103 R)
• M25: 33,310,060 km (0.03 R)
• M26: 40,197,247 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 203.7

Radius: 4.2

Gravity: 11.55 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 4.45 AU - 6.75 AU

Year: 9147 Days

Day: 21.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 70,940,756 km

• M1: 58,343 km (0.066 R)
• M2: 194,926 km (0.089 R)
• M3: 359,783 km (0.113 R)
• M4: 638,035 km (0.074 R)
• M5: 948,750 km (0.091 R)
• M6: 1,214,436 km (0.105 R)
• M7: 1,479,972 km (0.049 R)
• M8: 1,639,293 km (0.083 R)
• M9: 2,461,783 km (0.091 R)
• M10: 2,633,521 km (0.119 R)
• M11: 3,216,953 km (0.108 R)
• M12: 3,836,886 km (0.116 R)
• M13: 5,141,828 km (0.071 R)
• M14: 5,365,926 km (0.076 R)
• M15: 5,538,263 km (0.059 R)
• M16: 7,329,548 km (0.113 R)
• M17: 7,721,943 km (0.077 R)
• M18: 8,053,153 km (0.086 R)
• M19: 10,286,948 km (0.092 R)
• M20: 10,463,922 km (0.105 R)
• M21: 11,473,857 km (0.107 R)
• M22: 13,368,215 km (0.07 R)
• M23: 14,061,452 km (0.075 R)
• M24: 15,231,457 km (0.101 R)
• M25: 16,046,466 km (0.115 R)
• M26: 20,701,952 km (0.072 R)
• M27: 21,919,230 km (0.089 R)
• M28: 24,338,377 km (0.049 R)
• M29: 25,370,004 km (0.109 R)
• M30: 27,013,486 km (0.06 R)
• M31: 29,431,735 km (0.081 R)
• M32: 29,609,757 km (0.059 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 135

Radius: 4.4

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 6.57 AU - 8.03 AU

Year: 13614 Days

Day: 18.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,940,756 km

• M1: 55,351 km (0.078 R)
• M2: 205,547 km (0.098 R)
• M3: 863,479 km (0.119 R)
• M4: 1,207,554 km (0.109 R)
• M5: 2,589,240 km (0.1 R)
• M6: 4,948,698 km (0.118 R)
• M7: 6,524,412 km (0.103 R)
• M8: 8,446,894 km (0.112 R)
• M9: 13,037,454 km (0.099 R)
• M10: 16,540,139 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 927.6

Radius: 3.5

Gravity: 75.72 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 5.97 AU - 9.65 AU

Year: 15066 Days

Day: 18 Hours

Environment

Temp: -242 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 70,940,756 km

• M1: 45,627 km (0.081 R)
• M2: 273,914 km (0.117 R)
• M3: 775,067 km (0.062 R)
• M4: 1,080,396 km (0.037 R)
• M5: 1,429,707 km (0.111 R)
• M6: 1,638,845 km (0.09 R)
• M7: 1,923,978 km (0.046 R)
• M8: 2,347,191 km (0.102 R)
• M9: 3,571,350 km (0.045 R)
• M10: 3,687,139 km (0.086 R)
• M11: 3,835,241 km (0.116 R)
• M12: 4,049,166 km (0.12 R)
• M13: 7,091,537 km (0.041 R)
• M14: 7,891,437 km (0.075 R)
• M15: 8,038,492 km (0.117 R)
• M16: 8,960,164 km (0.111 R)
• M17: 10,589,584 km (0.093 R)
• M18: 10,889,229 km (0.093 R)
• M19: 13,215,326 km (0.068 R)
• M20: 15,466,774 km (0.106 R)
• M21: 16,482,544 km (0.116 R)
• M22: 24,761,290 km (0.08 R)
• M23: 30,859,498 km (0.099 R)
• M24: 33,863,872 km (0.112 R)
• M25: 36,106,194 km (0.086 R)
• M26: 37,470,227 km (0.106 R)
• M27: 40,300,918 km (0.084 R)
• M28: 43,118,893 km (0.099 R)
• M29: 46,224,246 km (0.12 R)
• M30: 48,157,051 km (0.111 R)
• M31: 56,427,868 km (0.104 R)
• M32: 62,631,692 km (0.105 R)
• M33: 67,623,174 km (0.06 R)
• M34: 69,066,943 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 628.2

Radius: 7.4

Gravity: 11.47 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 9.17 AU - 10.47 AU

Year: 21241 Days

Day: 21.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 70,940,756 km

• M1: 92,003 km (0.067 R)
• M2: 406,906 km (0.061 R)
• M3: 734,974 km (0.101 R)
• M4: 1,089,521 km (0.114 R)
• M5: 2,005,659 km (0.074 R)
• M6: 2,426,328 km (0.043 R)
• M7: 2,930,173 km (0.11 R)
• M8: 3,359,220 km (0.111 R)
• M9: 4,048,717 km (0.106 R)
• M10: 4,792,966 km (0.115 R)
• M11: 5,085,280 km (0.04 R)
• M12: 5,428,159 km (0.109 R)
• M13: 5,786,446 km (0.081 R)
• M14: 7,095,876 km (0.06 R)
• M15: 8,381,370 km (0.068 R)
• M16: 8,969,440 km (0.026 R)
• M17: 9,931,952 km (0.067 R)
• M18: 10,468,560 km (0.09 R)
• M19: 13,160,723 km (0.078 R)
• M20: 13,517,813 km (0.064 R)
• M21: 16,119,470 km (0.071 R)
• M22: 18,498,824 km (0.079 R)
• M23: 19,402,395 km (0.095 R)
• M24: 21,789,678 km (0.046 R)
• M25: 23,835,429 km (0.067 R)
• M26: 25,231,626 km (0.115 R)
• M27: 26,681,678 km (0.113 R)
• M28: 27,951,315 km (0.114 R)
• M29: 30,860,395 km (0.095 R)
• M30: 33,170,336 km (0.082 R)
• M31: 37,130,192 km (0.117 R)
• M32: 38,857,149 km (0.119 R)
• M33: 39,592,273 km (0.074 R)
• M34: 40,486,569 km (0.102 R)
• M35: 44,999,787 km (0.052 R)
• M36: 46,137,180 km (0.103 R)
• M37: 58,394,482 km (0.118 R)
• M38: 58,778,799 km (0.119 R)
• M39: 62,917,573 km (0.116 R)
• M40: 74,669,533 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 444.4

Radius: 6.4

Gravity: 10.85 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 8.52 AU - 11.8 AU

Year: 22354 Days

Day: 18.7 Hours

Environment

Temp: -243 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 70,940,756 km

• M1: 80,633 km (0.088 R)
• M2: 291,117 km (0.086 R)
• M3: 745,297 km (0.074 R)
• M4: 953,088 km (0.074 R)
• M5: 1,398,291 km (0.119 R)
• M6: 1,635,105 km (0.096 R)
• M7: 1,862,045 km (0.098 R)
• M8: 2,696,202 km (0.037 R)
• M9: 5,035,165 km (0.045 R)
• M10: 5,912,407 km (0.109 R)
• M11: 7,867,352 km (0.098 R)
• M12: 9,702,320 km (0.069 R)
• M13: 12,996,465 km (0.106 R)
• M14: 14,707,116 km (0.114 R)
• M15: 15,006,162 km (0.078 R)
• M16: 17,967,452 km (0.112 R)
• M17: 18,481,770 km (0.058 R)
• M18: 28,910,836 km (0.088 R)
• M19: 31,679,743 km (0.117 R)
• M20: 38,017,756 km (0.077 R)
• M21: 41,185,640 km (0.093 R)
• M22: 42,530,824 km (0.097 R)
• M23: 43,443,820 km (0.088 R)
• M24: 44,369,681 km (0.104 R)
• M25: 45,151,330 km (0.053 R)
• M26: 47,551,030 km (0.071 R)
• M27: 49,197,354 km (0.105 R)
• M28: 54,008,422 km (0.097 R)
• M29: 56,710,309 km (0.072 R)
• M30: 58,748,131 km (0.112 R)
• M31: 62,773,062 km (0.077 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 434 - 18,330 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit