🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.9

Radius: 9.2

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.6 AU - 0.96 AU

Year: 467 Days

Day: 14.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,585,928 km

• M1: 115,639 km (0.099 R)
• M2: 637,437 km (0.115 R)
• M3: 986,748 km (0.079 R)
• M4: 1,357,900 km (0.063 R)
• M5: 1,758,224 km (0.081 R)
• M6: 2,520,575 km (0.082 R)
• M7: 4,044,079 km (0.105 R)
• M8: 4,402,665 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.9

Radius: 13.9

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.78 AU - 1.14 AU

Year: 638 Days

Day: 9.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,585,928 km

• M1: 172,935 km (0.075 R)
• M2: 662,270 km (0.101 R)
• M3: 1,119,740 km (0.106 R)
• M4: 2,366,190 km (0.112 R)
• M5: 3,731,270 km (0.059 R)
• M6: 4,565,727 km (0.089 R)
• M7: 5,282,301 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.3

Radius: 14.9

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.91 AU - 1.47 AU

Year: 880 Days

Day: 9.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,585,928 km

• M1: 186,100 km (0.1 R)
• M2: 724,502 km (0.06 R)
• M3: 1,726,060 km (0.066 R)
• M4: 2,241,275 km (0.039 R)
• M5: 2,798,228 km (0.114 R)
• M6: 3,592,294 km (0.047 R)
• M7: 4,083,423 km (0.097 R)
• M8: 4,567,373 km (0.113 R)
• M9: 6,085,193 km (0.043 R)
• M10: 8,383,465 km (0.039 R)
• M11: 9,742,561 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.3

Radius: 8.8

Gravity: 10.18 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.64 AU - 2.7 AU

Year: 2959 Days

Day: 10.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,585,928 km

• M1: 109,506 km (0.077 R)
• M2: 571,015 km (0.08 R)
• M3: 871,408 km (0.056 R)
• M4: 1,162,375 km (0.092 R)
• M5: 1,742,217 km (0.071 R)
• M6: 2,657,307 km (0.114 R)
• M7: 3,376,574 km (0.086 R)
• M8: 5,097,996 km (0.086 R)
• M9: 6,065,296 km (0.115 R)
• M10: 6,346,690 km (0.106 R)
• M11: 7,306,210 km (0.037 R)
• M12: 8,359,529 km (0.066 R)
• M13: 8,673,236 km (0.109 R)
• M14: 10,282,011 km (0.094 R)
• M15: 10,602,001 km (0.08 R)
• M16: 11,516,343 km (0.087 R)
• M17: 13,264,993 km (0.099 R)
• M18: 13,692,394 km (0.099 R)
• M19: 14,524,756 km (0.032 R)
• M20: 16,075,338 km (0.095 R)
• M21: 18,020,410 km (0.102 R)
• M22: 19,685,584 km (0.107 R)
• M23: 21,908,010 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.4

Radius: 14.4

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 4.06 AU - 4.64 AU

Year: 6154 Days

Day: 12.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 40,585,928 km

• M1: 179,368 km (0.052 R)
• M2: 855,849 km (0.105 R)
• M3: 1,479,673 km (0.101 R)
• M4: 1,936,544 km (0.096 R)
• M5: 2,579,815 km (0.077 R)
• M6: 3,169,380 km (0.119 R)
• M7: 4,353,896 km (0.078 R)
• M8: 4,875,095 km (0.093 R)
• M9: 5,468,849 km (0.092 R)
• M10: 6,624,792 km (0.066 R)
• M11: 7,858,376 km (0.09 R)
• M12: 9,020,901 km (0.103 R)
• M13: 9,507,842 km (0.086 R)
• M14: 10,583,301 km (0.087 R)
• M15: 11,790,407 km (0.112 R)
• M16: 14,298,564 km (0.077 R)
• M17: 15,023,665 km (0.04 R)
• M18: 16,943,604 km (0.086 R)
• M19: 17,687,106 km (0.042 R)
• M20: 19,457,896 km (0.113 R)
• M21: 24,186,236 km (0.082 R)
• M22: 27,088,734 km (0.027 R)
• M23: 29,436,971 km (0.061 R)
• M24: 31,512,043 km (0.106 R)
• M25: 32,122,403 km (0.095 R)
• M26: 32,948,482 km (0.092 R)

Asteroid Belt

Center: 5.18 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 416.4

Radius: 6.5

Gravity: 9.86 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 4.87 AU - 7.15 AU

Year: 9993 Days

Day: 19.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 40,585,928 km

• M1: 80,783 km (0.105 R)
• M2: 450,589 km (0.12 R)
• M3: 654,939 km (0.089 R)
• M4: 923,168 km (0.114 R)
• M5: 1,458,430 km (0.071 R)
• M6: 1,758,673 km (0.118 R)
• M7: 2,050,538 km (0.092 R)
• M8: 2,285,855 km (0.108 R)
• M9: 2,558,273 km (0.081 R)
• M10: 2,955,007 km (0.107 R)
• M11: 3,674,273 km (0.12 R)
• M12: 4,504,541 km (0.111 R)
• M13: 4,875,395 km (0.065 R)
• M14: 6,967,970 km (0.119 R)
• M15: 8,231,623 km (0.097 R)
• M16: 9,050,522 km (0.077 R)
• M17: 9,456,829 km (0.111 R)
• M18: 10,949,816 km (0.113 R)
• M19: 11,992,513 km (0.098 R)
• M20: 13,271,725 km (0.116 R)
• M21: 14,395,055 km (0.118 R)
• M22: 14,886,484 km (0.086 R)
• M23: 16,694,973 km (0.115 R)
• M24: 17,582,387 km (0.114 R)
• M25: 19,824,710 km (0.12 R)
• M26: 20,897,327 km (0.079 R)
• M27: 21,447,847 km (0.112 R)
• M28: 24,432,923 km (0.047 R)
• M29: 24,780,887 km (0.093 R)
• M30: 27,030,390 km (0.091 R)
• M31: 27,402,590 km (0.079 R)
• M32: 29,412,587 km (0.1 R)
• M33: 30,704,963 km (0.12 R)
• M34: 33,189,784 km (0.084 R)
• M35: 33,938,970 km (0.103 R)
• M36: 34,372,056 km (0.118 R)
• M37: 39,621,594 km (0.037 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: 197 - 10,743 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit