🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.64 AU - 0.82 AU

Year: 239 Days

Day: 45.9 Hours

Environment

Temp: 117 °C

Axial Tilt: 37.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 25,792,100 km

• M1: 67,618 km (0.081 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.58

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1 AU - 1.12 AU

Year: 418 Days

Day: 26 Hours

Environment

Temp: 12 °C

Axial Tilt: 12.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 25,792,100 km

• M1: 85,720 km (0.1 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.53 AU - 1.67 AU

Year: 775 Days

Day: 17.2 Hours

Environment

Temp: -58 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.6

Radius: 10.9

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 5.1 AU - 5.2 AU

Year: 4475 Days

Day: 7.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 25,792,100 km

• M1: 158,574 km (0.043 R)
• M2: 268,678 km (0.067 R)
• M3: 803,939 km (0.118 R)
• M4: 912,846 km (0.097 R)
• M5: 988,393 km (0.097 R)
• M6: 1,284,896 km (0.079 R)
• M7: 1,503,159 km (0.108 R)
• M8: 1,609,374 km (0.083 R)
• M9: 1,813,276 km (0.046 R)
• M10: 1,910,365 km (0.117 R)
• M11: 2,076,269 km (0.055 R)
• M12: 2,475,845 km (0.068 R)
• M13: 2,975,651 km (0.107 R)
• M14: 3,071,693 km (0.105 R)
• M15: 3,267,068 km (0.077 R)
• M16: 3,346,355 km (0.056 R)
• M17: 3,547,414 km (0.093 R)
• M18: 3,690,430 km (0.063 R)
• M19: 3,961,501 km (0.11 R)
• M20: 4,046,174 km (0.094 R)
• M21: 4,903,669 km (0.042 R)
• M22: 5,201,817 km (0.099 R)
• M23: 5,743,960 km (0.079 R)
• M24: 6,180,935 km (0.106 R)
• M25: 6,453,203 km (0.067 R)
• M26: 6,578,417 km (0.117 R)
• M27: 6,805,506 km (0.11 R)
• M28: 6,932,964 km (0.119 R)
• M29: 7,241,883 km (0.089 R)
• M30: 7,345,854 km (0.079 R)
• M31: 7,424,243 km (0.037 R)
• M32: 7,634,428 km (0.077 R)
• M33: 8,060,932 km (0.108 R)
• M34: 8,413,085 km (0.105 R)
• M35: 8,742,649 km (0.106 R)
• M36: 9,386,369 km (0.09 R)
• M37: 9,843,091 km (0.055 R)
• M38: 10,248,801 km (0.066 R)
• M39: 10,394,958 km (0.114 R)
• M40: 10,689,516 km (0.093 R)
• M41: 11,046,606 km (0.092 R)
• M42: 11,498,392 km (0.118 R)
• M43: 12,264,931 km (0.092 R)
• M44: 12,921,666 km (0.1 R)
• M45: 13,111,356 km (0.104 R)
• M46: 14,959,637 km (0.116 R)
• M47: 15,225,473 km (0.114 R)
• M48: 15,459,444 km (0.09 R)
• M49: 16,475,513 km (0.097 R)
• M50: 17,478,267 km (0.114 R)
• M51: 18,287,592 km (0.109 R)
• M52: 18,643,186 km (0.04 R)
• M53: 18,821,955 km (0.097 R)
• M54: 19,724,030 km (0.093 R)
• M55: 20,198,705 km (0.098 R)
• M56: 20,382,261 km (0.075 R)
• M57: 20,492,664 km (0.113 R)
• M58: 21,122,023 km (0.112 R)
• M59: 21,420,321 km (0.069 R)
• M60: 21,757,664 km (0.099 R)
• M61: 21,832,912 km (0.099 R)
• M62: 21,945,858 km (0.059 R)
• M63: 22,096,802 km (0.119 R)
• M64: 22,210,197 km (0.028 R)
• M65: 23,432,262 km (0.088 R)
• M66: 25,384,963 km (0.105 R)
• M67: 25,464,101 km (0.099 R)
• M68: 26,461,021 km (0.103 R)
• M69: 26,581,447 km (0.115 R)
• M70: 27,024,855 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 23.2

Radius: 5.3

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 12.3 AU - 16.98 AU

Year: 21448 Days

Day: 15.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 25,792,100 km

• M1: 70,161 km (0.08 R)
• M2: 128,056 km (0.096 R)
• M3: 213,177 km (0.059 R)
• M4: 615,595 km (0.071 R)
• M5: 1,175,690 km (0.085 R)
• M6: 1,257,819 km (0.076 R)
• M7: 1,342,042 km (0.032 R)
• M8: 1,697,038 km (0.062 R)
• M9: 2,129,675 km (0.059 R)
• M10: 2,315,326 km (0.104 R)
• M11: 2,648,481 km (0.062 R)
• M12: 2,756,790 km (0.073 R)
• M13: 2,922,095 km (0.094 R)
• M14: 3,496,252 km (0.077 R)
• M15: 4,810,469 km (0.083 R)
• M16: 5,098,894 km (0.065 R)
• M17: 6,968,568 km (0.066 R)
• M18: 7,909,688 km (0.102 R)
• M19: 8,434,777 km (0.09 R)
• M20: 8,755,215 km (0.063 R)
• M21: 8,971,085 km (0.094 R)
• M22: 9,161,523 km (0.07 R)
• M23: 9,380,684 km (0.112 R)
• M24: 9,435,736 km (0.117 R)
• M25: 9,601,491 km (0.118 R)
• M26: 9,768,292 km (0.103 R)
• M27: 10,076,613 km (0.089 R)
• M28: 11,903,054 km (0.111 R)
• M29: 13,083,680 km (0.035 R)
• M30: 13,175,982 km (0.103 R)
• M31: 14,939,442 km (0.104 R)
• M32: 15,326,900 km (0.079 R)
• M33: 15,652,276 km (0.038 R)
• M34: 18,198,581 km (0.08 R)
• M35: 20,404,701 km (0.087 R)
• M36: 20,476,059 km (0.081 R)
• M37: 20,906,302 km (0.091 R)
• M38: 21,884,972 km (0.083 R)
• M39: 22,545,895 km (0.099 R)
• M40: 22,915,701 km (0.11 R)
• M41: 23,175,852 km (0.041 R)
• M42: 24,415,420 km (0.115 R)
• M43: 25,522,444 km (0.112 R)
• M44: 25,637,933 km (0.114 R)
• M45: 25,792,169 km (0.098 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 161 - 14,916 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit