🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.5 AU - 0.68 AU

Year: 167 Days

Day: 46 Hours

Environment

Temp: 192 °C

Axial Tilt: 29 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.63 AU - 0.77 AU

Year: 216 Days

Day: 27.3 Hours

Environment

Temp: 172 °C

Axial Tilt: 46.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 45,436,546 km

• M1: 42,037 km (0.056 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.83 AU - 1.33 AU

Year: 414 Days

Day: 32.8 Hours

Environment

Temp: 13 °C

Axial Tilt: 0 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 45,436,546 km

• M1: 82,428 km (0.118 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.02 AU - 1.58 AU

Year: 547 Days

Day: 15.4 Hours

Environment

Temp: -14 °C

Axial Tilt: 41.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.37 AU - 1.73 AU

Year: 712 Days

Day: 33.2 Hours

Environment

Temp: -49 °C

Axial Tilt: 33 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,436,546 km

• M1: 152,291 km (0.082 R)

Asteroid Belt

Center: 3.81 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155

Radius: 13.9

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 5.47 AU - 6.65 AU

Year: 5504 Days

Day: 14.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 45,436,546 km

• M1: 192,233 km (0.072 R)
• M2: 311,313 km (0.077 R)
• M3: 706,700 km (0.072 R)
• M4: 872,604 km (0.112 R)
• M5: 1,073,814 km (0.099 R)
• M6: 1,235,379 km (0.051 R)
• M7: 1,464,264 km (0.059 R)
• M8: 1,645,427 km (0.118 R)
• M9: 1,745,209 km (0.117 R)
• M10: 1,951,355 km (0.086 R)
• M11: 2,111,275 km (0.106 R)
• M12: 2,317,720 km (0.11 R)
• M13: 2,502,024 km (0.077 R)
• M14: 2,632,623 km (0.106 R)
• M15: 3,022,924 km (0.118 R)
• M16: 3,304,168 km (0.113 R)
• M17: 3,577,783 km (0.071 R)
• M18: 3,676,218 km (0.083 R)
• M19: 3,909,292 km (0.047 R)
• M20: 4,199,063 km (0.054 R)
• M21: 5,036,661 km (0.091 R)
• M22: 5,560,254 km (0.117 R)
• M23: 5,906,124 km (0.115 R)
• M24: 6,042,557 km (0.085 R)
• M25: 6,160,291 km (0.103 R)
• M26: 6,378,255 km (0.083 R)
• M27: 6,478,186 km (0.1 R)
• M28: 6,862,653 km (0.085 R)
• M29: 7,739,147 km (0.116 R)
• M30: 7,867,352 km (0.094 R)
• M31: 8,606,665 km (0.101 R)
• M32: 8,761,798 km (0.081 R)
• M33: 8,962,408 km (0.073 R)
• M34: 9,232,433 km (0.116 R)
• M35: 9,368,417 km (0.099 R)
• M36: 9,665,369 km (0.057 R)
• M37: 9,757,372 km (0.103 R)
• M38: 9,895,899 km (0.093 R)
• M39: 10,011,987 km (0.075 R)
• M40: 10,268,697 km (0.102 R)
• M41: 10,956,099 km (0.083 R)
• M42: 11,585,158 km (0.111 R)
• M43: 12,052,203 km (0.115 R)
• M44: 12,600,778 km (0.11 R)
• M45: 12,751,872 km (0.066 R)
• M46: 13,490,437 km (0.091 R)
• M47: 13,644,971 km (0.117 R)
• M48: 14,033,926 km (0.095 R)
• M49: 14,138,345 km (0.105 R)
• M50: 14,400,291 km (0.084 R)
• M51: 14,611,074 km (0.053 R)
• M52: 15,142,596 km (0.102 R)
• M53: 15,464,530 km (0.114 R)
• M54: 16,306,617 km (0.088 R)
• M55: 17,107,863 km (0.083 R)
• M56: 19,210,311 km (0.092 R)
• M57: 19,355,272 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.9

Radius: 10.8

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.26 AU - 8.72 AU

Year: 6819 Days

Day: 5.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 45,436,546 km

• M1: 140,472 km (0.11 R)
• M2: 224,098 km (0.102 R)
• M3: 404,513 km (0.088 R)
• M4: 471,832 km (0.104 R)
• M5: 620,682 km (0.111 R)
• M6: 701,614 km (0.119 R)
• M7: 786,735 km (0.096 R)
• M8: 1,027,887 km (0.087 R)
• M9: 1,101,340 km (0.109 R)
• M10: 1,266,944 km (0.108 R)
• M11: 1,496,128 km (0.064 R)
• M12: 1,695,243 km (0.086 R)
• M13: 2,328,042 km (0.1 R)
• M14: 2,443,083 km (0.12 R)
• M15: 2,730,311 km (0.082 R)
• M16: 3,100,416 km (0.092 R)
• M17: 3,300,877 km (0.109 R)
• M18: 3,374,778 km (0.113 R)
• M19: 3,656,920 km (0.094 R)
• M20: 3,733,514 km (0.089 R)
• M21: 3,927,393 km (0.071 R)
• M22: 4,045,276 km (0.065 R)
• M23: 4,204,299 km (0.117 R)
• M24: 4,345,220 km (0.119 R)
• M25: 5,266,743 km (0.085 R)
• M26: 5,749,794 km (0.082 R)
• M27: 5,929,012 km (0.069 R)
• M28: 6,019,370 km (0.054 R)
• M29: 6,201,281 km (0.066 R)
• M30: 6,547,450 km (0.118 R)
• M31: 6,900,052 km (0.089 R)
• M32: 6,971,261 km (0.061 R)
• M33: 7,138,511 km (0.108 R)
• M34: 7,428,282 km (0.049 R)
• M35: 7,599,273 km (0.037 R)
• M36: 7,672,875 km (0.11 R)
• M37: 7,895,177 km (0.069 R)
• M38: 8,119,574 km (0.117 R)
• M39: 8,396,779 km (0.114 R)
• M40: 8,728,437 km (0.039 R)
• M41: 8,934,733 km (0.085 R)
• M42: 9,273,422 km (0.107 R)
• M43: 9,404,769 km (0.09 R)
• M44: 9,749,293 km (0.091 R)
• M45: 9,963,218 km (0.094 R)
• M46: 10,697,145 km (0.118 R)
• M47: 10,835,075 km (0.111 R)
• M48: 12,563,828 km (0.085 R)
• M49: 12,913,887 km (0.107 R)
• M50: 13,237,616 km (0.116 R)
• M51: 13,385,718 km (0.073 R)
• M52: 13,653,648 km (0.084 R)
• M53: 13,983,511 km (0.096 R)
• M54: 14,773,538 km (0.113 R)
• M55: 15,298,028 km (0.087 R)
• M56: 16,555,996 km (0.044 R)
• M57: 17,391,500 km (0.048 R)
• M58: 17,586,277 km (0.094 R)
• M59: 17,912,400 km (0.093 R)
• M60: 18,637,052 km (0.072 R)
• M61: 18,836,466 km (0.118 R)
• M62: 19,371,428 km (0.081 R)
• M63: 19,911,327 km (0.075 R)
• M64: 20,149,188 km (0.096 R)
• M65: 21,526,086 km (0.066 R)
• M66: 21,840,092 km (0.064 R)
• M67: 22,296,216 km (0.088 R)
• M68: 22,543,202 km (0.118 R)
• M69: 23,611,930 km (0.086 R)
• M70: 23,971,712 km (0.106 R)
• M71: 24,224,832 km (0.052 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.3

Radius: 10.7

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 8.84 AU - 9.72 AU

Year: 10430 Days

Day: 7.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 45,436,546 km

• M1: 154,086 km (0.081 R)
• M2: 261,198 km (0.052 R)
• M3: 717,471 km (0.028 R)
• M4: 1,196,783 km (0.083 R)
• M5: 1,315,713 km (0.114 R)
• M6: 1,853,966 km (0.076 R)
• M7: 2,039,917 km (0.107 R)
• M8: 2,355,269 km (0.078 R)
• M9: 2,924,489 km (0.077 R)
• M10: 3,535,297 km (0.025 R)
• M11: 3,767,174 km (0.115 R)
• M12: 3,974,217 km (0.111 R)
• M13: 4,492,873 km (0.086 R)
• M14: 4,617,937 km (0.057 R)
• M15: 4,903,818 km (0.103 R)
• M16: 5,762,061 km (0.111 R)
• M17: 6,845,299 km (0.086 R)
• M18: 7,952,473 km (0.04 R)
• M19: 8,180,610 km (0.117 R)
• M20: 8,838,691 km (0.11 R)
• M21: 9,075,056 km (0.099 R)
• M22: 9,553,918 km (0.12 R)
• M23: 10,370,573 km (0.088 R)
• M24: 10,578,215 km (0.065 R)
• M25: 10,913,314 km (0.031 R)
• M26: 10,997,687 km (0.108 R)
• M27: 12,113,688 km (0.029 R)
• M28: 13,490,886 km (0.111 R)
• M29: 13,626,870 km (0.045 R)
• M30: 13,945,813 km (0.091 R)
• M31: 15,010,950 km (0.051 R)
• M32: 15,767,466 km (0.074 R)
• M33: 16,198,308 km (0.032 R)
• M34: 16,779,047 km (0.104 R)
• M35: 17,761,905 km (0.118 R)
• M36: 18,611,920 km (0.068 R)
• M37: 18,915,155 km (0.072 R)
• M38: 20,507,624 km (0.104 R)
• M39: 21,504,844 km (0.112 R)
• M40: 22,356,803 km (0.03 R)
• M41: 23,819,422 km (0.074 R)
• M42: 24,038,732 km (0.028 R)
• M43: 26,325,186 km (0.099 R)
• M44: 26,836,362 km (0.06 R)
• M45: 26,950,356 km (0.12 R)
• M46: 27,580,462 km (0.081 R)
• M47: 27,753,098 km (0.081 R)
• M48: 27,926,183 km (0.066 R)
• M49: 28,099,566 km (0.05 R)
• M50: 28,273,399 km (0.11 R)
• M51: 30,326,929 km (0.095 R)
• M52: 30,743,410 km (0.103 R)
• M53: 30,922,478 km (0.111 R)
• M54: 31,281,663 km (0.032 R)
• M55: 31,582,055 km (0.09 R)
• M56: 31,943,633 km (0.078 R)
• M57: 32,125,096 km (0.078 R)
• M58: 32,306,707 km (0.119 R)
• M59: 32,610,391 km (0.07 R)
• M60: 32,732,164 km (0.08 R)
• M61: 33,834,401 km (0.038 R)
• M62: 34,266,290 km (0.102 R)
• M63: 34,575,957 km (0.079 R)
• M64: 35,197,985 km (0.12 R)
• M65: 35,447,814 km (0.091 R)
• M66: 35,635,709 km (0.063 R)
• M67: 36,075,078 km (0.059 R)
• M68: 36,201,039 km (0.106 R)
• M69: 36,390,131 km (0.068 R)
• M70: 38,170,944 km (0.11 R)
• M71: 38,491,981 km (0.11 R)
• M72: 39,914,956 km (0.092 R)
• M73: 40,567,502 km (0.113 R)
• M74: 41,552,903 km (0.1 R)
• M75: 42,147,854 km (0.077 R)
• M76: 42,812,367 km (0.071 R)
• M77: 43,413,302 km (0.052 R)
• M78: 44,623,549 km (0.072 R)
• M79: 44,758,636 km (0.112 R)
• M80: 44,826,254 km (0.04 R)
• M81: 45,097,176 km (0.094 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 20,191 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit