🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.1

Radius: 14.8

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.51 AU - 0.53 AU

Year: 250 Days

Day: 11.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 51,811,911 km

• M1: 184,005 km (0.077 R)
• M2: 737,368 km (0.08 R)
• M3: 1,213,837 km (0.078 R)
• M4: 1,762,562 km (0.027 R)
• M5: 2,864,500 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.8

Radius: 14.5

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.09 AU - 1.33 AU

Year: 888 Days

Day: 6.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,811,911 km

• M1: 180,265 km (0.074 R)
• M2: 740,958 km (0.082 R)
• M3: 1,217,577 km (0.116 R)
• M4: 1,882,390 km (0.11 R)
• M5: 2,336,120 km (0.093 R)
• M6: 2,887,089 km (0.087 R)
• M7: 3,353,685 km (0.043 R)
• M8: 4,747,937 km (0.095 R)
• M9: 5,476,030 km (0.106 R)
• M10: 6,541,316 km (0.048 R)
• M11: 7,156,463 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567

Radius: 9.8

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.38 AU - 1.4 AU

Year: 1093 Days

Day: 6 Hours

Environment

Temp: -199 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,811,911 km

• M1: 122,371 km (0.039 R)
• M2: 521,349 km (0.112 R)
• M3: 891,304 km (0.062 R)
• M4: 1,218,175 km (0.074 R)
• M5: 1,584,391 km (0.096 R)
• M6: 1,907,074 km (0.116 R)
• M7: 2,241,574 km (0.119 R)
• M8: 3,853,192 km (0.053 R)
• M9: 4,325,174 km (0.056 R)
• M10: 5,385,374 km (0.099 R)
• M11: 5,706,261 km (0.111 R)
• M12: 6,955,254 km (0.091 R)
• M13: 7,483,185 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.5

Radius: 14.9

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.48 AU - 2.14 AU

Year: 1624 Days

Day: 6.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,811,911 km

• M1: 191,336 km (0.109 R)
• M2: 747,840 km (0.073 R)
• M3: 1,214,884 km (0.069 R)
• M4: 1,919,341 km (0.091 R)
• M5: 2,599,113 km (0.109 R)
• M6: 3,420,705 km (0.076 R)
• M7: 4,705,751 km (0.047 R)
• M8: 6,243,467 km (0.116 R)
• M9: 6,798,475 km (0.053 R)
• M10: 7,359,018 km (0.106 R)
• M11: 8,095,638 km (0.12 R)
• M12: 9,750,041 km (0.079 R)
• M13: 10,816,973 km (0.103 R)
• M14: 12,385,058 km (0.101 R)
• M15: 12,980,458 km (0.073 R)
• M16: 15,014,989 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.3

Radius: 9.5

Gravity: 10.85 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.67 AU - 3.85 AU

Year: 4862 Days

Day: 14 Hours

Environment

Temp: -216 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 51,811,911 km

• M1: 118,182 km (0.097 R)
• M2: 467,643 km (0.049 R)
• M3: 904,618 km (0.102 R)
• M4: 1,569,132 km (0.058 R)
• M5: 2,394,314 km (0.085 R)
• M6: 2,781,772 km (0.058 R)
• M7: 3,089,645 km (0.038 R)
• M8: 3,550,257 km (0.086 R)
• M9: 4,227,037 km (0.07 R)
• M10: 6,023,558 km (0.112 R)
• M11: 6,643,043 km (0.112 R)
• M12: 6,950,915 km (0.104 R)
• M13: 7,268,362 km (0.115 R)
• M14: 7,970,724 km (0.104 R)
• M15: 8,798,599 km (0.115 R)
• M16: 9,770,087 km (0.119 R)
• M17: 10,214,243 km (0.106 R)
• M18: 10,718,089 km (0.08 R)
• M19: 11,142,648 km (0.108 R)
• M20: 14,722,525 km (0.116 R)
• M21: 15,365,945 km (0.06 R)
• M22: 15,664,543 km (0.113 R)
• M23: 16,897,827 km (0.118 R)
• M24: 17,668,107 km (0.091 R)
• M25: 22,712,996 km (0.061 R)
• M26: 24,859,725 km (0.096 R)
• M27: 25,354,595 km (0.089 R)
• M28: 27,399,748 km (0.076 R)
• M29: 28,732,515 km (0.083 R)
• M30: 29,644,763 km (0.03 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 708.2

Radius: 6.6

Gravity: 16.26 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 5.49 AU - 7.73 AU

Year: 11333 Days

Day: 16.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 51,811,911 km

• M1: 82,279 km (0.118 R)
• M2: 305,778 km (0.049 R)
• M3: 604,824 km (0.042 R)
• M4: 884,423 km (0.101 R)
• M5: 1,261,708 km (0.072 R)
• M6: 2,167,823 km (0.057 R)
• M7: 2,515,937 km (0.065 R)
• M8: 3,178,356 km (0.116 R)
• M9: 5,004,348 km (0.11 R)
• M10: 6,696,749 km (0.119 R)
• M11: 7,351,090 km (0.044 R)
• M12: 9,319,798 km (0.074 R)
• M13: 10,721,380 km (0.092 R)
• M14: 17,287,231 km (0.05 R)
• M15: 18,829,286 km (0.064 R)
• M16: 21,225,095 km (0.114 R)
• M17: 22,630,418 km (0.112 R)
• M18: 23,724,128 km (0.119 R)
• M19: 24,284,073 km (0.114 R)
• M20: 32,614,580 km (0.076 R)
• M21: 34,244,897 km (0.061 R)
• M22: 34,959,826 km (0.103 R)
• M23: 35,563,303 km (0.092 R)
• M24: 37,540,838 km (0.06 R)
• M25: 41,578,933 km (0.06 R)
• M26: 42,666,210 km (0.072 R)
• M27: 44,473,053 km (0.109 R)
• M28: 45,897,225 km (0.053 R)
• M29: 46,766,239 km (0.067 R)
• M30: 50,351,951 km (0.083 R)
• M31: 50,658,776 km (0.034 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 427.8

Radius: 5

Gravity: 17.11 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 6.66 AU - 8.72 AU

Year: 14221 Days

Day: 23.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 51,811,911 km

• M1: 62,831 km (0.09 R)
• M2: 219,909 km (0.108 R)
• M3: 389,852 km (0.058 R)
• M4: 777,610 km (0.099 R)
• M5: 1,003,652 km (0.054 R)
• M6: 1,210,396 km (0.09 R)
• M7: 1,390,662 km (0.118 R)
• M8: 1,871,619 km (0.063 R)
• M9: 2,769,356 km (0.076 R)
• M10: 3,576,885 km (0.116 R)
• M11: 3,814,596 km (0.107 R)
• M12: 4,091,203 km (0.111 R)
• M13: 5,066,581 km (0.096 R)
• M14: 5,503,855 km (0.091 R)
• M15: 5,929,611 km (0.118 R)
• M16: 7,898,169 km (0.103 R)
• M17: 9,247,991 km (0.049 R)
• M18: 10,636,558 km (0.106 R)
• M19: 10,798,872 km (0.086 R)
• M20: 11,128,735 km (0.033 R)
• M21: 11,750,763 km (0.119 R)
• M22: 11,924,297 km (0.083 R)
• M23: 15,007,808 km (0.118 R)
• M24: 17,359,786 km (0.076 R)
• M25: 20,111,040 km (0.071 R)
• M26: 21,374,245 km (0.118 R)
• M27: 22,689,509 km (0.098 R)
• M28: 25,966,301 km (0.119 R)
• M29: 27,870,831 km (0.103 R)
• M30: 28,179,751 km (0.103 R)
• M31: 30,954,043 km (0.107 R)
• M32: 35,208,158 km (0.098 R)
• M33: 37,411,735 km (0.065 R)
• M34: 47,585,587 km (0.114 R)
• M35: 49,367,447 km (0.074 R)
• M36: 51,039,502 km (0.072 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: 422 - 14,272 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit