🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.9

Radius: 10.2

Gravity: 9.61 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.7 AU - 0.82 AU

Year: 435 Days

Day: 5.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,680,163 km

• M1: 126,859 km (0.115 R)
• M2: 772,972 km (0.11 R)
• M3: 1,159,533 km (0.109 R)
• M4: 1,488,200 km (0.095 R)
• M5: 1,815,370 km (0.113 R)
• M6: 2,312,185 km (0.099 R)
• M7: 2,681,841 km (0.074 R)
• M8: 3,114,179 km (0.051 R)
• M9: 3,554,296 km (0.099 R)
• M10: 4,854,750 km (0.115 R)
• M11: 5,414,396 km (0.11 R)
• M12: 6,390,971 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.2

Radius: 10.1

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.76 AU - 1.2 AU

Year: 636 Days

Day: 9.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,680,163 km

• M1: 128,355 km (0.104 R)
• M2: 492,027 km (0.041 R)
• M3: 947,254 km (0.07 R)
• M4: 1,344,885 km (0.119 R)
• M5: 1,879,248 km (0.065 R)
• M6: 2,526,708 km (0.116 R)
• M7: 3,003,925 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.2

Radius: 13.2

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.97 AU - 1.03 AU

Year: 656 Days

Day: 14.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,680,163 km

• M1: 164,408 km (0.117 R)
• M2: 606,769 km (0.097 R)
• M3: 1,036,863 km (0.115 R)
• M4: 1,490,743 km (0.12 R)
• M5: 2,070,435 km (0.104 R)
• M6: 2,763,671 km (0.047 R)
• M7: 3,458,104 km (0.119 R)
• M8: 3,978,705 km (0.08 R)
• M9: 5,143,773 km (0.113 R)
• M10: 5,635,352 km (0.081 R)
• M11: 7,995,857 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.1

Radius: 8.3

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.02 AU - 1.06 AU

Year: 696 Days

Day: 10.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,680,163 km

• M1: 103,223 km (0.092 R)
• M2: 379,380 km (0.115 R)
• M3: 643,570 km (0.087 R)
• M4: 1,218,624 km (0.117 R)
• M5: 1,567,038 km (0.102 R)
• M6: 2,058,467 km (0.113 R)
• M7: 2,457,145 km (0.112 R)
• M8: 2,906,537 km (0.093 R)
• M9: 4,136,680 km (0.104 R)
• M10: 4,559,743 km (0.061 R)
• M11: 4,947,202 km (0.092 R)
• M12: 5,770,738 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.6

Radius: 8.1

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.37 AU - 3.39 AU

Year: 3206 Days

Day: 14.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,680,163 km

• M1: 100,979 km (0.089 R)
• M2: 735,124 km (0.052 R)
• M3: 1,047,783 km (0.034 R)
• M4: 3,488,622 km (0.104 R)
• M5: 4,145,955 km (0.114 R)
• M6: 4,801,792 km (0.094 R)
• M7: 7,901,760 km (0.094 R)
• M8: 13,877,446 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.1

Radius: 9.6

Gravity: 9.45 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 3.42 AU - 3.58 AU

Year: 4295 Days

Day: 9.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 67,680,163 km

• M1: 119,379 km (0.086 R)
• M2: 568,472 km (0.084 R)
• M3: 979,716 km (0.105 R)
• M4: 1,307,635 km (0.097 R)
• M5: 1,866,084 km (0.082 R)
• M6: 2,493,348 km (0.053 R)
• M7: 3,255,100 km (0.084 R)
• M8: 4,678,973 km (0.063 R)
• M9: 7,239,340 km (0.102 R)
• M10: 7,766,074 km (0.072 R)
• M11: 8,393,787 km (0.042 R)
• M12: 10,480,976 km (0.037 R)
• M13: 10,882,198 km (0.07 R)
• M14: 11,954,665 km (0.105 R)
• M15: 12,841,930 km (0.107 R)
• M16: 14,417,495 km (0.107 R)
• M17: 15,082,308 km (0.058 R)
• M18: 15,536,936 km (0.039 R)
• M19: 18,074,864 km (0.084 R)
• M20: 20,460,052 km (0.108 R)
• M21: 22,162,177 km (0.101 R)
• M22: 23,348,188 km (0.116 R)
• M23: 23,727,269 km (0.102 R)
• M24: 24,575,789 km (0.095 R)
• M25: 28,516,945 km (0.094 R)
• M26: 29,300,089 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 684.4

Radius: 3.9

Gravity: 45 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 7.46 AU - 8.72 AU

Year: 15095 Days

Day: 24.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 67,680,163 km

• M1: 48,470 km (0.079 R)
• M2: 232,774 km (0.109 R)
• M3: 422,165 km (0.1 R)
• M4: 975,079 km (0.118 R)
• M5: 1,461,571 km (0.093 R)
• M6: 1,836,164 km (0.096 R)
• M7: 3,062,268 km (0.117 R)
• M8: 3,616,229 km (0.055 R)
• M9: 3,757,450 km (0.116 R)
• M10: 4,454,875 km (0.063 R)
• M11: 4,650,250 km (0.117 R)
• M12: 5,023,197 km (0.045 R)
• M13: 5,905,675 km (0.055 R)
• M14: 6,465,620 km (0.105 R)
• M15: 9,218,071 km (0.088 R)
• M16: 9,589,074 km (0.104 R)
• M17: 11,292,395 km (0.11 R)
• M18: 12,152,284 km (0.084 R)
• M19: 12,278,544 km (0.062 R)
• M20: 13,522,600 km (0.11 R)
• M21: 17,034,560 km (0.074 R)
• M22: 17,835,657 km (0.106 R)
• M23: 26,736,431 km (0.108 R)
• M24: 27,381,197 km (0.044 R)
• M25: 31,588,039 km (0.096 R)
• M26: 32,308,503 km (0.055 R)
• M27: 41,253,857 km (0.099 R)
• M28: 42,258,706 km (0.059 R)
• M29: 43,133,105 km (0.118 R)
• M30: 47,373,008 km (0.038 R)
• M31: 49,272,003 km (0.085 R)
• M32: 50,892,896 km (0.109 R)
• M33: 56,669,319 km (0.119 R)
• M34: 56,845,545 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 881.8

Radius: 3.1

Gravity: 91.76 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 8.05 AU - 9.59 AU

Year: 17184 Days

Day: 22 Hours

Environment

Temp: -219 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 67,680,163 km

• M1: 38,895 km (0.067 R)
• M2: 184,604 km (0.12 R)
• M3: 481,855 km (0.104 R)
• M4: 771,327 km (0.052 R)
• M5: 1,033,871 km (0.093 R)
• M6: 1,383,182 km (0.105 R)
• M7: 1,576,612 km (0.092 R)
• M8: 1,769,294 km (0.1 R)
• M9: 1,977,534 km (0.073 R)
• M10: 4,206,243 km (0.067 R)
• M11: 6,627,186 km (0.105 R)
• M12: 7,268,661 km (0.081 R)
• M13: 8,888,806 km (0.114 R)
• M14: 9,328,474 km (0.086 R)
• M15: 10,490,850 km (0.117 R)
• M16: 13,239,262 km (0.116 R)
• M17: 18,644,981 km (0.038 R)
• M18: 21,729,839 km (0.071 R)
• M19: 22,125,375 km (0.078 R)
• M20: 25,246,585 km (0.104 R)
• M21: 26,014,771 km (0.08 R)
• M22: 27,253,441 km (0.107 R)
• M23: 27,945,181 km (0.038 R)
• M24: 33,249,772 km (0.109 R)
• M25: 33,380,521 km (0.069 R)
• M26: 34,438,926 km (0.075 R)
• M27: 38,033,015 km (0.095 R)
• M28: 38,176,030 km (0.109 R)
• M29: 46,117,134 km (0.046 R)
• M30: 48,597,018 km (0.102 R)
• M31: 54,725,743 km (0.072 R)
• M32: 60,957,392 km (0.099 R)
• M33: 66,394,677 km (0.112 R)
• M34: 74,134,870 km (0.109 R)
• M35: 74,358,070 km (0.074 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 346

Radius: 4.3

Gravity: 18.71 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 9.59 AU - 12.21 AU

Year: 23607 Days

Day: 19.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 67,680,163 km

• M1: 53,556 km (0.077 R)
• M2: 205,547 km (0.086 R)
• M3: 474,824 km (0.094 R)
• M4: 636,090 km (0.097 R)
• M5: 813,513 km (0.114 R)
• M6: 965,205 km (0.098 R)
• M7: 1,737,130 km (0.115 R)
• M8: 2,439,792 km (0.096 R)
• M9: 3,156,365 km (0.088 R)
• M10: 3,506,873 km (0.087 R)
• M11: 5,814,121 km (0.093 R)
• M12: 6,423,733 km (0.081 R)
• M13: 6,896,911 km (0.071 R)
• M14: 7,074,633 km (0.111 R)
• M15: 8,866,815 km (0.048 R)
• M16: 11,243,626 km (0.106 R)
• M17: 15,707,328 km (0.103 R)
• M18: 16,722,948 km (0.116 R)
• M19: 17,205,999 km (0.12 R)
• M20: 19,232,003 km (0.119 R)
• M21: 21,223,749 km (0.118 R)
• M22: 25,400,372 km (0.069 R)
• M23: 25,824,482 km (0.067 R)
• M24: 28,016,689 km (0.066 R)
• M25: 32,517,640 km (0.11 R)
• M26: 34,808,283 km (0.114 R)
• M27: 41,584,767 km (0.095 R)
• M28: 44,126,734 km (0.037 R)
• M29: 45,669,388 km (0.095 R)
• M30: 52,542,063 km (0.118 R)
• M31: 67,680,171 km (0.1 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 167 - 15,908 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit