🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.1

Radius: 9.9

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.87 AU - 1.01 AU

Year: 618 Days

Day: 7.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,555,669 km

• M1: 123,119 km (0.085 R)
• M2: 451,786 km (0.088 R)
• M3: 1,018,163 km (0.12 R)
• M4: 1,489,097 km (0.115 R)
• M5: 2,137,454 km (0.054 R)
• M6: 2,608,987 km (0.109 R)
• M7: 2,963,983 km (0.034 R)
• M8: 3,371,038 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.9

Radius: 11.4

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.84 AU - 1.06 AU

Year: 628 Days

Day: 9.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,555,669 km

• M1: 141,819 km (0.056 R)
• M2: 907,610 km (0.057 R)
• M3: 1,730,847 km (0.042 R)
• M4: 2,426,777 km (0.095 R)
• M5: 2,885,593 km (0.067 R)
• M6: 3,300,877 km (0.076 R)
• M7: 4,252,768 km (0.069 R)
• M8: 4,721,458 km (0.1 R)
• M9: 5,133,002 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.5

Radius: 11.1

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.26 AU - 2.82 AU

Year: 2746 Days

Day: 10.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,555,669 km

• M1: 139,575 km (0.053 R)
• M2: 803,191 km (0.084 R)
• M3: 1,733,540 km (0.092 R)
• M4: 2,292,887 km (0.045 R)
• M5: 3,171,624 km (0.043 R)
• M6: 4,325,473 km (0.099 R)
• M7: 4,743,898 km (0.066 R)
• M8: 6,137,253 km (0.087 R)
• M9: 8,611,601 km (0.087 R)
• M10: 11,561,372 km (0.079 R)
• M11: 13,585,880 km (0.095 R)
• M12: 15,428,328 km (0.099 R)
• M13: 17,652,399 km (0.113 R)
• M14: 18,725,614 km (0.109 R)
• M15: 19,248,758 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.4

Radius: 12.8

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.57 AU - 5.19 AU

Year: 6217 Days

Day: 7.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 61,555,669 km

• M1: 159,322 km (0.08 R)
• M2: 675,285 km (0.093 R)
• M3: 1,952,551 km (0.065 R)
• M4: 2,578,618 km (0.113 R)
• M5: 3,020,531 km (0.085 R)
• M6: 4,009,522 km (0.069 R)
• M7: 4,552,562 km (0.066 R)
• M8: 6,278,922 km (0.109 R)
• M9: 6,798,176 km (0.102 R)
• M10: 8,909,900 km (0.07 R)
• M11: 9,747,648 km (0.094 R)
• M12: 10,978,389 km (0.087 R)
• M13: 12,098,578 km (0.09 R)
• M14: 12,959,963 km (0.113 R)
• M15: 14,328,334 km (0.059 R)
• M16: 15,917,213 km (0.099 R)
• M17: 16,623,615 km (0.061 R)
• M18: 17,688,452 km (0.089 R)
• M19: 18,376,602 km (0.057 R)
• M20: 19,370,082 km (0.081 R)
• M21: 21,619,286 km (0.097 R)
• M22: 27,080,356 km (0.094 R)
• M23: 29,214,519 km (0.105 R)
• M24: 34,768,939 km (0.079 R)
• M25: 37,063,321 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918

Radius: 11.4

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.91 AU - 6.07 AU

Year: 7560 Days

Day: 5.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 61,555,669 km

• M1: 143,614 km (0.094 R)
• M2: 512,971 km (0.066 R)
• M3: 973,882 km (0.109 R)
• M4: 1,587,682 km (0.065 R)
• M5: 2,465,523 km (0.051 R)
• M6: 4,151,939 km (0.105 R)
• M7: 5,067,628 km (0.105 R)
• M8: 5,672,153 km (0.109 R)
• M9: 6,467,565 km (0.096 R)
• M10: 7,296,636 km (0.115 R)
• M11: 9,029,129 km (0.085 R)
• M12: 11,548,058 km (0.1 R)
• M13: 13,646,318 km (0.04 R)
• M14: 14,628,129 km (0.097 R)
• M15: 17,429,050 km (0.079 R)
• M16: 17,856,451 km (0.108 R)
• M17: 21,208,041 km (0.114 R)
• M18: 23,633,322 km (0.034 R)
• M19: 25,409,946 km (0.082 R)
• M20: 26,611,516 km (0.103 R)
• M21: 27,274,085 km (0.091 R)
• M22: 32,652,278 km (0.113 R)
• M23: 33,411,637 km (0.12 R)
• M24: 36,220,188 km (0.076 R)
• M25: 36,917,015 km (0.104 R)
• M26: 37,622,668 km (0.091 R)
• M27: 42,047,174 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 276.3

Radius: 6.1

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 9.68 AU - 10.44 AU

Year: 21642 Days

Day: 17.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 61,555,669 km

• M1: 80,932 km (0.092 R)
• M2: 279,598 km (0.102 R)
• M3: 593,156 km (0.071 R)
• M4: 805,285 km (0.12 R)
• M5: 1,022,950 km (0.104 R)
• M6: 1,266,795 km (0.03 R)
• M7: 1,771,538 km (0.112 R)
• M8: 2,360,954 km (0.086 R)
• M9: 3,001,083 km (0.077 R)
• M10: 3,196,607 km (0.083 R)
• M11: 3,532,604 km (0.097 R)
• M12: 3,806,817 km (0.119 R)
• M13: 4,980,712 km (0.084 R)
• M14: 5,949,507 km (0.047 R)
• M15: 6,180,786 km (0.101 R)
• M16: 6,911,122 km (0.101 R)
• M17: 7,340,917 km (0.039 R)
• M18: 10,692,957 km (0.04 R)
• M19: 11,742,236 km (0.09 R)
• M20: 12,416,324 km (0.116 R)
• M21: 13,841,393 km (0.081 R)
• M22: 17,557,704 km (0.08 R)
• M23: 19,264,167 km (0.114 R)
• M24: 24,644,604 km (0.112 R)
• M25: 32,944,443 km (0.06 R)
• M26: 34,776,867 km (0.102 R)
• M27: 35,781,417 km (0.107 R)
• M28: 37,064,219 km (0.066 R)
• M29: 37,848,411 km (0.094 R)
• M30: 40,404,590 km (0.092 R)
• M31: 48,759,631 km (0.101 R)
• M32: 49,072,141 km (0.109 R)
• M33: 56,459,284 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 307

Radius: 5

Gravity: 12.28 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 8.11 AU - 12.07 AU

Year: 21738 Days

Day: 23 Hours

Environment

Temp: -233 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,555,669 km

• M1: 82,428 km (0.052 R)
• M2: 409,001 km (0.052 R)
• M3: 1,142,928 km (0.12 R)
• M4: 1,340,995 km (0.1 R)
• M5: 1,806,843 km (0.07 R)
• M6: 2,212,403 km (0.09 R)
• M7: 2,522,071 km (0.112 R)
• M8: 4,917,282 km (0.104 R)
• M9: 5,740,818 km (0.072 R)
• M10: 11,330,842 km (0.04 R)
• M11: 12,755,911 km (0.101 R)
• M12: 15,956,707 km (0.064 R)
• M13: 20,351,294 km (0.105 R)
• M14: 20,616,681 km (0.074 R)
• M15: 25,694,631 km (0.105 R)
• M16: 26,526,994 km (0.113 R)
• M17: 29,582,081 km (0.102 R)
• M18: 30,960,177 km (0.087 R)
• M19: 32,380,609 km (0.11 R)
• M20: 57,057,974 km (0.056 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 522 - 13,846 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit