🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.5

Radius: 13.7

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.94 AU - 1 AU

Year: 607 Days

Day: 12.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,621,700 km

• M1: 170,392 km (0.115 R)
• M2: 797,506 km (0.088 R)
• M3: 1,352,814 km (0.095 R)
• M4: 2,087,638 km (0.086 R)
• M5: 2,668,826 km (0.081 R)
• M6: 3,261,832 km (0.062 R)
• M7: 4,461,308 km (0.118 R)
• M8: 4,994,475 km (0.067 R)
• M9: 5,553,223 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334

Radius: 10.9

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.75 AU - 1.23 AU

Year: 626 Days

Day: 10.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 69.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,621,700 km

• M1: 135,984 km (0.099 R)
• M2: 518,955 km (0.036 R)
• M3: 888,761 km (0.104 R)
• M4: 1,461,870 km (0.064 R)
• M5: 1,892,114 km (0.12 R)
• M6: 2,351,230 km (0.066 R)
• M7: 3,101,313 km (0.071 R)
• M8: 4,752,276 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.9

Radius: 12.2

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.93 AU - 1.43 AU

Year: 815 Days

Day: 11.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,621,700 km

• M1: 151,692 km (0.113 R)
• M2: 534,214 km (0.081 R)
• M3: 1,018,761 km (0.107 R)
• M4: 1,481,318 km (0.095 R)
• M5: 1,948,063 km (0.086 R)
• M6: 2,558,722 km (0.083 R)
• M7: 3,506,125 km (0.106 R)
• M8: 4,347,763 km (0.069 R)
• M9: 6,630,327 km (0.118 R)
• M10: 7,765,625 km (0.092 R)
• M11: 8,485,490 km (0.119 R)
• M12: 9,249,188 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.3

Radius: 8

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.16 AU - 1.34 AU

Year: 889 Days

Day: 13.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,621,700 km

• M1: 99,483 km (0.109 R)
• M2: 353,051 km (0.08 R)
• M3: 654,939 km (0.111 R)
• M4: 948,451 km (0.045 R)
• M5: 1,378,993 km (0.098 R)
• M6: 1,776,026 km (0.109 R)
• M7: 2,087,189 km (0.098 R)
• M8: 3,235,353 km (0.099 R)
• M9: 3,546,068 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.4

Radius: 10.8

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.68 AU - 2.72 AU

Year: 2075 Days

Day: 13.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,621,700 km

• M1: 134,339 km (0.09 R)
• M2: 576,550 km (0.077 R)
• M3: 916,137 km (0.104 R)
• M4: 1,476,232 km (0.115 R)
• M5: 1,983,817 km (0.105 R)
• M6: 2,633,072 km (0.093 R)
• M7: 3,451,821 km (0.108 R)
• M8: 4,049,315 km (0.085 R)
• M9: 4,756,016 km (0.054 R)
• M10: 5,117,444 km (0.087 R)
• M11: 5,520,012 km (0.08 R)
• M12: 6,830,190 km (0.103 R)
• M13: 7,403,150 km (0.066 R)
• M14: 7,744,682 km (0.101 R)
• M15: 8,738,760 km (0.036 R)
• M16: 9,120,683 km (0.083 R)
• M17: 10,020,813 km (0.066 R)
• M18: 12,271,813 km (0.103 R)
• M19: 12,710,882 km (0.086 R)
• M20: 13,578,550 km (0.092 R)
• M21: 15,156,957 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.7

Radius: 8.5

Gravity: 9.27 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.65 AU - 3.15 AU

Year: 3140 Days

Day: 14.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,621,700 km

• M1: 105,766 km (0.041 R)
• M2: 550,670 km (0.093 R)
• M3: 935,435 km (0.075 R)
• M4: 1,495,081 km (0.098 R)
• M5: 2,112,172 km (0.115 R)
• M6: 3,361,913 km (0.11 R)
• M7: 3,705,090 km (0.065 R)
• M8: 4,507,085 km (0.101 R)
• M9: 5,293,221 km (0.116 R)
• M10: 5,653,304 km (0.114 R)
• M11: 5,974,789 km (0.037 R)
• M12: 7,074,334 km (0.096 R)
• M13: 7,802,427 km (0.086 R)
• M14: 9,149,705 km (0.072 R)
• M15: 10,130,020 km (0.102 R)
• M16: 11,137,113 km (0.118 R)
• M17: 11,859,072 km (0.055 R)
• M18: 12,793,610 km (0.088 R)
• M19: 15,944,440 km (0.074 R)
• M20: 17,416,483 km (0.099 R)
• M21: 17,755,472 km (0.112 R)
• M22: 18,563,749 km (0.04 R)
• M23: 20,378,072 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 303.8

Radius: 3.7

Gravity: 22.19 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 5.95 AU - 9.31 AU

Year: 13400 Days

Day: 24.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,621,700 km

• M1: 100,380 km (0.107 R)
• M2: 579,093 km (0.09 R)
• M3: 1,173,894 km (0.055 R)
• M4: 2,239,929 km (0.11 R)
• M5: 2,802,267 km (0.105 R)
• M6: 3,381,510 km (0.065 R)
• M7: 3,930,834 km (0.053 R)
• M8: 5,299,804 km (0.094 R)
• M9: 6,957,647 km (0.119 R)
• M10: 8,439,863 km (0.106 R)
• M11: 10,120,446 km (0.098 R)
• M12: 14,249,646 km (0.106 R)
• M13: 16,612,395 km (0.117 R)
• M14: 24,607,803 km (0.115 R)
• M15: 26,635,602 km (0.094 R)
• M16: 29,678,123 km (0.112 R)
• M17: 36,676,012 km (0.118 R)
• M18: 37,502,241 km (0.082 R)
• M19: 42,981,712 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 770.1

Radius: 6.6

Gravity: 17.68 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 6.35 AU - 9.73 AU

Year: 14495 Days

Day: 16.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 73,621,700 km

• M1: 82,279 km (0.045 R)
• M2: 358,137 km (0.083 R)
• M3: 631,303 km (0.104 R)
• M4: 930,798 km (0.101 R)
• M5: 1,702,125 km (0.112 R)
• M6: 2,677,353 km (0.093 R)
• M7: 3,031,900 km (0.104 R)
• M8: 3,364,007 km (0.086 R)
• M9: 3,663,951 km (0.092 R)
• M10: 4,071,156 km (0.073 R)
• M11: 4,671,792 km (0.084 R)
• M12: 5,549,931 km (0.047 R)
• M13: 5,776,273 km (0.1 R)
• M14: 8,099,229 km (0.104 R)
• M15: 9,150,154 km (0.087 R)
• M16: 10,065,244 km (0.09 R)
• M17: 11,398,610 km (0.092 R)
• M18: 11,826,759 km (0.094 R)
• M19: 12,392,987 km (0.093 R)
• M20: 13,376,443 km (0.097 R)
• M21: 20,934,876 km (0.099 R)
• M22: 21,949,598 km (0.078 R)
• M23: 22,516,724 km (0.111 R)
• M24: 24,276,742 km (0.075 R)
• M25: 26,550,181 km (0.057 R)
• M26: 27,848,092 km (0.046 R)
• M27: 31,277,025 km (0.055 R)
• M28: 32,236,696 km (0.103 R)
• M29: 32,479,792 km (0.118 R)
• M30: 33,963,354 km (0.092 R)
• M31: 45,026,416 km (0.106 R)
• M32: 47,494,182 km (0.051 R)
• M33: 50,050,810 km (0.116 R)
• M34: 57,730,117 km (0.06 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 935.3

Radius: 7.8

Gravity: 15.37 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 9.25 AU - 9.27 AU

Year: 17916 Days

Day: 20 Hours

Environment

Temp: -232 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 73,621,700 km

• M1: 102,026 km (0.089 R)
• M2: 461,958 km (0.106 R)
• M3: 781,948 km (0.116 R)
• M4: 1,442,423 km (0.12 R)
• M5: 1,988,006 km (0.089 R)
• M6: 2,386,086 km (0.088 R)
• M7: 2,761,726 km (0.102 R)
• M8: 11,498,840 km (0.062 R)
• M9: 18,232,091 km (0.045 R)
• M10: 20,252,261 km (0.098 R)
• M11: 21,712,186 km (0.058 R)
• M12: 22,621,143 km (0.032 R)
• M13: 23,978,444 km (0.092 R)
• M14: 25,722,606 km (0.05 R)
• M15: 28,137,863 km (0.111 R)
• M16: 35,309,885 km (0.051 R)
• M17: 36,424,838 km (0.059 R)
• M18: 37,419,364 km (0.097 R)
• M19: 43,770,243 km (0.079 R)
• M20: 47,032,224 km (0.094 R)
• M21: 52,582,604 km (0.107 R)
• M22: 57,784,122 km (0.049 R)
• M23: 62,912,038 km (0.06 R)
• M24: 63,931,697 km (0.116 R)
• M25: 70,282,426 km (0.088 R)
• M26: 71,380,175 km (0.113 R)
• M27: 78,208,121 km (0.107 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 566.8

Radius: 5.8

Gravity: 16.85 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 8.1 AU - 12.44 AU

Year: 20926 Days

Day: 17.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 73,621,700 km

• M1: 72,854 km (0.053 R)
• M2: 315,502 km (0.115 R)
• M3: 715,078 km (0.113 R)
• M4: 1,167,013 km (0.111 R)
• M5: 1,810,882 km (0.114 R)
• M6: 2,482,128 km (0.117 R)
• M7: 2,763,671 km (0.085 R)
• M8: 3,225,629 km (0.1 R)
• M9: 5,104,279 km (0.092 R)
• M10: 7,184,587 km (0.086 R)
• M11: 8,411,140 km (0.092 R)
• M12: 9,321,144 km (0.088 R)
• M13: 13,057,949 km (0.119 R)
• M14: 13,479,067 km (0.082 R)
• M15: 15,409,329 km (0.095 R)
• M16: 20,270,661 km (0.045 R)
• M17: 21,217,316 km (0.037 R)
• M18: 22,994,988 km (0.103 R)
• M19: 24,233,808 km (0.069 R)
• M20: 27,296,226 km (0.115 R)
• M21: 29,395,533 km (0.096 R)
• M22: 31,725,520 km (0.079 R)
• M23: 36,472,858 km (0.119 R)
• M24: 38,870,613 km (0.083 R)
• M25: 42,584,530 km (0.057 R)
• M26: 44,922,745 km (0.086 R)
• M27: 54,769,276 km (0.103 R)
• M28: 55,496,920 km (0.107 R)
• M29: 55,863,136 km (0.108 R)
• M30: 57,718,598 km (0.036 R)
• M31: 61,161,294 km (0.108 R)
• M32: 62,734,316 km (0.098 R)
• M33: 64,940,884 km (0.11 R)
• M34: 65,756,043 km (0.082 R)
• M35: 66,784,529 km (0.051 R)
• M36: 69,296,426 km (0.118 R)
• M37: 70,361,414 km (0.065 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 182 - 13,427 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit