🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.6

Radius: 13.3

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.44 AU - 0.68 AU

Year: 289 Days

Day: 6.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 60,337,216 km

• M1: 194,627 km (0.063 R)
• M2: 682,166 km (0.086 R)
• M3: 1,123,779 km (0.059 R)
• M4: 1,724,714 km (0.095 R)
• M5: 2,318,318 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417

Radius: 8.8

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.7 AU - 0.86 AU

Year: 476 Days

Day: 7 Hours

Environment

Temp: -160 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,337,216 km

• M1: 109,954 km (0.053 R)
• M2: 466,745 km (0.089 R)
• M3: 794,065 km (0.069 R)
• M4: 1,294,770 km (0.059 R)
• M5: 1,916,199 km (0.047 R)
• M6: 2,733,602 km (0.112 R)
• M7: 3,031,302 km (0.069 R)
• M8: 3,316,734 km (0.116 R)
• M9: 4,215,967 km (0.112 R)
• M10: 4,658,178 km (0.067 R)
• M11: 5,115,649 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.2

Radius: 14.9

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.77 AU - 0.95 AU

Year: 551 Days

Day: 14.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,337,216 km

• M1: 185,501 km (0.056 R)
• M2: 652,546 km (0.1 R)
• M3: 1,142,030 km (0.041 R)
• M4: 1,857,856 km (0.117 R)
• M5: 2,374,417 km (0.099 R)
• M6: 3,010,508 km (0.117 R)
• M7: 3,705,838 km (0.099 R)
• M8: 4,266,531 km (0.065 R)
• M9: 5,064,038 km (0.076 R)
• M10: 6,241,822 km (0.09 R)
• M11: 6,978,292 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.4

Radius: 14.6

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.83 AU - 1.29 AU

Year: 753 Days

Day: 6.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,337,216 km

• M1: 183,108 km (0.076 R)
• M2: 703,858 km (0.09 R)
• M3: 1,209,499 km (0.114 R)
• M4: 1,664,426 km (0.083 R)
• M5: 3,206,481 km (0.116 R)
• M6: 3,803,376 km (0.069 R)
• M7: 4,457,717 km (0.095 R)
• M8: 5,333,762 km (0.107 R)
• M9: 5,953,098 km (0.058 R)
• M10: 6,620,005 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.1

Radius: 13.5

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.05 AU - 1.59 AU

Year: 1047 Days

Day: 14.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,337,216 km

• M1: 172,486 km (0.058 R)
• M2: 794,963 km (0.065 R)
• M3: 1,309,580 km (0.1 R)
• M4: 1,795,623 km (0.08 R)
• M5: 2,316,074 km (0.066 R)
• M6: 2,924,339 km (0.088 R)
• M7: 3,772,709 km (0.09 R)
• M8: 4,198,015 km (0.107 R)
• M9: 4,620,330 km (0.076 R)
• M10: 5,731,992 km (0.1 R)
• M11: 6,649,326 km (0.102 R)
• M12: 7,155,416 km (0.112 R)
• M13: 7,937,513 km (0.081 R)
• M14: 8,375,686 km (0.068 R)
• M15: 9,329,222 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.5

Radius: 9.1

Gravity: 11.07 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.47 AU - 1.95 AU

Year: 1543 Days

Day: 12.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,337,216 km

• M1: 113,246 km (0.102 R)
• M2: 410,048 km (0.08 R)
• M3: 716,574 km (0.031 R)
• M4: 1,014,872 km (0.049 R)
• M5: 1,581,399 km (0.111 R)
• M6: 2,010,147 km (0.047 R)
• M7: 2,748,113 km (0.116 R)
• M8: 3,164,294 km (0.111 R)
• M9: 4,012,215 km (0.079 R)
• M10: 4,430,341 km (0.084 R)
• M11: 4,835,452 km (0.093 R)
• M12: 5,790,634 km (0.07 R)
• M13: 6,275,631 km (0.119 R)
• M14: 7,326,855 km (0.025 R)
• M15: 7,836,535 km (0.114 R)
• M16: 8,645,261 km (0.112 R)
• M17: 9,246,944 km (0.097 R)
• M18: 9,574,713 km (0.049 R)
• M19: 10,218,731 km (0.117 R)
• M20: 10,747,410 km (0.038 R)
• M21: 11,480,589 km (0.093 R)
• M22: 12,682,309 km (0.063 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.4

Radius: 10.4

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 4.76 AU - 5.74 AU

Year: 8303 Days

Day: 6.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,337,216 km

• M1: 129,402 km (0.11 R)
• M2: 488,587 km (0.113 R)
• M3: 919,429 km (0.065 R)
• M4: 1,293,573 km (0.117 R)
• M5: 1,810,433 km (0.079 R)
• M6: 4,011,018 km (0.116 R)
• M7: 4,401,319 km (0.099 R)
• M8: 4,790,273 km (0.115 R)
• M9: 6,352,374 km (0.045 R)
• M10: 8,384,961 km (0.095 R)
• M11: 8,822,086 km (0.1 R)
• M12: 9,232,732 km (0.114 R)
• M13: 10,910,921 km (0.051 R)
• M14: 13,524,545 km (0.069 R)
• M15: 14,918,797 km (0.059 R)
• M16: 15,920,205 km (0.04 R)
• M17: 18,518,870 km (0.095 R)
• M18: 19,193,257 km (0.119 R)
• M19: 22,055,513 km (0.062 R)
• M20: 22,660,337 km (0.093 R)
• M21: 23,824,209 km (0.091 R)
• M22: 25,109,105 km (0.093 R)
• M23: 25,519,901 km (0.052 R)
• M24: 29,059,985 km (0.106 R)
• M25: 29,695,477 km (0.098 R)
• M26: 30,062,739 km (0.04 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 858.1

Radius: 3.7

Gravity: 62.68 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 5.54 AU - 8.8 AU

Year: 13252 Days

Day: 16.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 60,337,216 km

• M1: 46,375 km (0.118 R)
• M2: 164,857 km (0.12 R)
• M3: 574,905 km (0.075 R)
• M4: 875,297 km (0.115 R)
• M5: 1,813,425 km (0.089 R)
• M6: 2,716,997 km (0.076 R)
• M7: 2,904,293 km (0.112 R)
• M8: 4,245,887 km (0.1 R)
• M9: 5,647,320 km (0.108 R)
• M10: 6,309,440 km (0.12 R)
• M11: 6,849,638 km (0.062 R)
• M12: 7,739,895 km (0.114 R)
• M13: 8,754,767 km (0.074 R)
• M14: 11,461,590 km (0.075 R)
• M15: 12,390,144 km (0.05 R)
• M16: 13,978,275 km (0.083 R)
• M17: 15,921,402 km (0.102 R)
• M18: 16,453,073 km (0.117 R)
• M19: 17,232,927 km (0.109 R)
• M20: 18,118,995 km (0.112 R)
• M21: 18,950,460 km (0.051 R)
• M22: 20,868,604 km (0.111 R)
• M23: 21,596,996 km (0.094 R)
• M24: 23,982,334 km (0.06 R)
• M25: 25,597,841 km (0.08 R)
• M26: 30,411,452 km (0.041 R)
• M27: 36,836,980 km (0.104 R)
• M28: 46,681,118 km (0.111 R)
• M29: 48,871,680 km (0.117 R)
• M30: 49,670,383 km (0.067 R)
• M31: 54,817,148 km (0.119 R)
• M32: 58,498,602 km (0.074 R)
• M33: 59,398,732 km (0.059 R)
• M34: 59,761,357 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 749.4

Radius: 7.5

Gravity: 13.32 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 7.04 AU - 7.48 AU

Year: 13503 Days

Day: 17.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,337,216 km

• M1: 93,349 km (0.035 R)
• M2: 450,439 km (0.117 R)
• M3: 1,346,231 km (0.111 R)
• M4: 1,785,750 km (0.076 R)
• M5: 2,048,892 km (0.077 R)
• M6: 3,321,372 km (0.074 R)
• M7: 5,843,143 km (0.103 R)
• M8: 7,400,158 km (0.112 R)
• M9: 8,761,050 km (0.062 R)
• M10: 9,526,991 km (0.086 R)
• M11: 14,312,627 km (0.033 R)
• M12: 14,801,213 km (0.071 R)
• M13: 18,293,725 km (0.043 R)
• M14: 20,668,442 km (0.097 R)
• M15: 23,337,118 km (0.09 R)
• M16: 24,604,661 km (0.056 R)
• M17: 27,170,264 km (0.063 R)
• M18: 30,822,696 km (0.099 R)
• M19: 34,789,583 km (0.062 R)
• M20: 43,718,931 km (0.089 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: 527 - 12,143 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit