🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.7

Radius: 11.7

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.58 AU - 0.9 AU

Year: 432 Days

Day: 6.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 65,353,137 km

• M1: 148,551 km (0.119 R)
• M2: 531,521 km (0.118 R)
• M3: 1,680,134 km (0.11 R)
• M4: 2,128,030 km (0.08 R)
• M5: 2,766,663 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.6

Radius: 9.2

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.74 AU - 1.14 AU

Year: 618 Days

Day: 6.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,353,137 km

• M1: 114,442 km (0.099 R)
• M2: 480,957 km (0.08 R)
• M3: 767,736 km (0.109 R)
• M4: 1,068,727 km (0.067 R)
• M5: 1,443,470 km (0.068 R)
• M6: 1,872,816 km (0.077 R)
• M7: 2,199,089 km (0.051 R)
• M8: 2,645,190 km (0.103 R)
• M9: 3,426,988 km (0.097 R)
• M10: 4,084,171 km (0.12 R)
• M11: 5,391,358 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.1

Radius: 12.9

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.48 AU - 1.54 AU

Year: 1259 Days

Day: 14.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,353,137 km

• M1: 191,336 km (0.071 R)
• M2: 703,409 km (0.041 R)
• M3: 1,386,024 km (0.1 R)
• M4: 1,921,734 km (0.098 R)
• M5: 2,606,892 km (0.096 R)
• M6: 3,270,808 km (0.081 R)
• M7: 3,994,562 km (0.103 R)
• M8: 4,413,137 km (0.091 R)
• M9: 5,401,381 km (0.061 R)
• M10: 6,003,961 km (0.076 R)
• M11: 7,318,477 km (0.09 R)
• M12: 9,500,512 km (0.066 R)
• M13: 10,315,820 km (0.08 R)
• M14: 10,807,100 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.1

Radius: 9

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.96 AU - 2.78 AU

Year: 2475 Days

Day: 12.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,353,137 km

• M1: 112,198 km (0.05 R)
• M2: 853,905 km (0.087 R)
• M3: 1,160,431 km (0.066 R)
• M4: 3,668,289 km (0.095 R)
• M5: 4,202,803 km (0.089 R)
• M6: 4,499,156 km (0.107 R)
• M7: 6,298,070 km (0.078 R)
• M8: 7,175,462 km (0.113 R)
• M9: 8,847,667 km (0.103 R)
• M10: 10,475,292 km (0.095 R)
• M11: 10,911,669 km (0.106 R)
• M12: 12,738,259 km (0.118 R)
• M13: 13,616,997 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.2

Radius: 13.4

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 5.19 AU - 5.21 AU

Year: 8043 Days

Day: 5.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,353,137 km

• M1: 166,802 km (0.099 R)
• M2: 703,260 km (0.034 R)
• M3: 2,810,645 km (0.106 R)
• M4: 3,390,486 km (0.105 R)
• M5: 4,336,543 km (0.112 R)
• M6: 7,225,128 km (0.116 R)
• M7: 9,523,700 km (0.059 R)
• M8: 15,111,180 km (0.102 R)
• M9: 17,778,361 km (0.085 R)
• M10: 27,729,013 km (0.05 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 494.1

Radius: 6.3

Gravity: 12.45 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 6.24 AU - 9.84 AU

Year: 15462 Days

Day: 23.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 65,353,137 km

• M1: 78,389 km (0.115 R)
• M2: 322,383 km (0.038 R)
• M3: 530,773 km (0.102 R)
• M4: 776,712 km (0.107 R)
• M5: 1,030,131 km (0.103 R)
• M6: 1,259,165 km (0.074 R)
• M7: 2,012,690 km (0.118 R)
• M8: 2,415,108 km (0.075 R)
• M9: 4,423,011 km (0.048 R)
• M10: 4,770,826 km (0.058 R)
• M11: 5,738,874 km (0.061 R)
• M12: 6,114,514 km (0.093 R)
• M13: 10,486,661 km (0.078 R)
• M14: 15,055,679 km (0.05 R)
• M15: 16,883,316 km (0.114 R)
• M16: 19,100,058 km (0.104 R)
• M17: 20,797,545 km (0.101 R)
• M18: 24,198,353 km (0.045 R)
• M19: 24,880,968 km (0.101 R)
• M20: 25,878,337 km (0.088 R)
• M21: 26,182,619 km (0.119 R)
• M22: 26,695,142 km (0.084 R)
• M23: 28,920,859 km (0.106 R)
• M24: 29,358,433 km (0.108 R)
• M25: 29,911,645 km (0.102 R)
• M26: 34,467,050 km (0.118 R)
• M27: 35,082,496 km (0.109 R)
• M28: 37,488,478 km (0.072 R)
• M29: 37,748,031 km (0.043 R)
• M30: 40,818,976 km (0.114 R)
• M31: 42,204,551 km (0.087 R)
• M32: 53,282,573 km (0.117 R)
• M33: 54,769,576 km (0.032 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 555.7

Radius: 4

Gravity: 34.73 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 7.45 AU - 10.13 AU

Year: 17676 Days

Day: 17.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 65,353,137 km

• M1: 49,816 km (0.062 R)
• M2: 322,234 km (0.067 R)
• M3: 1,107,323 km (0.112 R)
• M4: 1,278,763 km (0.071 R)
• M5: 1,422,676 km (0.119 R)
• M6: 1,920,837 km (0.092 R)
• M7: 2,526,858 km (0.072 R)
• M8: 3,304,168 km (0.043 R)
• M9: 3,548,910 km (0.041 R)
• M10: 3,864,113 km (0.119 R)
• M11: 4,292,113 km (0.111 R)
• M12: 5,804,397 km (0.119 R)
• M13: 7,048,453 km (0.088 R)
• M14: 7,685,740 km (0.059 R)
• M15: 8,360,427 km (0.116 R)
• M16: 9,882,435 km (0.116 R)
• M17: 13,667,261 km (0.029 R)
• M18: 18,316,763 km (0.117 R)
• M19: 19,254,144 km (0.115 R)
• M20: 21,502,450 km (0.1 R)
• M21: 22,932,157 km (0.106 R)
• M22: 24,525,823 km (0.107 R)
• M23: 25,142,017 km (0.048 R)
• M24: 27,379,851 km (0.064 R)
• M25: 27,599,610 km (0.103 R)
• M26: 30,920,533 km (0.099 R)
• M27: 36,585,506 km (0.076 R)
• M28: 37,795,752 km (0.116 R)
• M29: 38,893,651 km (0.103 R)
• M30: 39,171,454 km (0.07 R)
• M31: 40,295,832 km (0.112 R)
• M32: 47,973,943 km (0.098 R)
• M33: 48,293,484 km (0.05 R)
• M34: 50,404,908 km (0.094 R)
• M35: 55,334,906 km (0.076 R)
• M36: 57,645,595 km (0.093 R)
• M37: 57,826,010 km (0.108 R)
• M38: 63,221,706 km (0.11 R)
• M39: 64,378,546 km (0.107 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 410 - 16,430 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit