🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.6

Radius: 13.8

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.47 AU - 0.67 AU

Year: 302 Days

Day: 14.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 42,428,328 km

• M1: 171,589 km (0.038 R)
• M2: 679,025 km (0.112 R)
• M3: 1,452,595 km (0.082 R)
• M4: 1,908,570 km (0.076 R)
• M5: 2,512,347 km (0.075 R)
• M6: 2,993,603 km (0.086 R)
• M7: 4,293,010 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.6

Radius: 12.6

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.95 AU - 1.25 AU

Year: 811 Days

Day: 14.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,428,328 km

• M1: 156,779 km (0.03 R)
• M2: 620,831 km (0.108 R)
• M3: 1,156,990 km (0.075 R)
• M4: 1,745,059 km (0.087 R)
• M5: 2,350,631 km (0.08 R)
• M6: 2,744,223 km (0.08 R)
• M7: 3,238,943 km (0.116 R)
• M8: 3,642,559 km (0.071 R)
• M9: 4,817,351 km (0.115 R)
• M10: 5,776,572 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.1

Radius: 11.6

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.18 AU - 1.38 AU

Year: 1018 Days

Day: 13.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 42,428,328 km

• M1: 145,708 km (0.086 R)
• M2: 1,312,123 km (0.043 R)
• M3: 2,990,461 km (0.117 R)
• M4: 3,648,842 km (0.077 R)
• M5: 5,290,080 km (0.106 R)
• M6: 5,758,620 km (0.09 R)
• M7: 6,883,746 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.3

Radius: 10.4

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.02 AU - 2.88 AU

Year: 2696 Days

Day: 13.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,428,328 km

• M1: 130,749 km (0.031 R)
• M2: 500,554 km (0.06 R)
• M3: 994,078 km (0.113 R)
• M4: 1,620,594 km (0.092 R)
• M5: 1,994,588 km (0.088 R)
• M6: 2,455,200 km (0.047 R)
• M7: 3,681,454 km (0.093 R)
• M8: 4,292,561 km (0.113 R)
• M9: 5,162,473 km (0.12 R)
• M10: 5,893,408 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.5

Radius: 15

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.43 AU - 3.63 AU

Year: 3707 Days

Day: 11.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,428,328 km

• M1: 186,848 km (0.084 R)
• M2: 679,174 km (0.075 R)
• M3: 1,166,115 km (0.063 R)
• M4: 3,017,239 km (0.086 R)
• M5: 3,542,029 km (0.091 R)
• M6: 4,018,648 km (0.076 R)
• M7: 5,854,513 km (0.05 R)
• M8: 6,405,482 km (0.091 R)
• M9: 7,713,565 km (0.04 R)
• M10: 9,739,869 km (0.081 R)
• M11: 10,770,000 km (0.054 R)
• M12: 12,902,068 km (0.062 R)
• M13: 14,350,625 km (0.066 R)
• M14: 16,353,142 km (0.098 R)
• M15: 20,052,248 km (0.111 R)
• M16: 25,021,590 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.2

Radius: 8

Gravity: 14.3 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 3.87 AU - 4.11 AU

Year: 5602 Days

Day: 6.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,428,328 km

• M1: 99,632 km (0.109 R)
• M2: 445,203 km (0.109 R)
• M3: 1,217,727 km (0.1 R)
• M4: 1,543,252 km (0.12 R)
• M5: 2,372,173 km (0.074 R)
• M6: 2,731,358 km (0.099 R)
• M7: 4,571,711 km (0.113 R)
• M8: 5,072,265 km (0.085 R)
• M9: 7,189,075 km (0.118 R)
• M10: 10,860,207 km (0.117 R)
• M11: 13,509,286 km (0.077 R)
• M12: 18,212,494 km (0.119 R)
• M13: 20,189,280 km (0.112 R)
• M14: 22,305,043 km (0.12 R)
• M15: 28,970,525 km (0.083 R)
• M16: 29,910,897 km (0.079 R)
• M17: 30,388,713 km (0.079 R)
• M18: 32,150,826 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.4

Radius: 14.7

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 3.43 AU - 5.31 AU

Year: 6421 Days

Day: 5.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,428,328 km

• M1: 182,809 km (0.106 R)
• M2: 877,541 km (0.079 R)
• M3: 1,446,013 km (0.095 R)
• M4: 2,667,928 km (0.054 R)
• M5: 4,843,231 km (0.079 R)
• M6: 7,236,498 km (0.06 R)
• M7: 10,288,594 km (0.03 R)
• M8: 11,522,926 km (0.118 R)
• M9: 12,023,181 km (0.109 R)
• M10: 13,945,514 km (0.052 R)
• M11: 29,129,847 km (0.105 R)
• M12: 30,914,998 km (0.115 R)
• M13: 31,493,643 km (0.077 R)
• M14: 32,079,468 km (0.079 R)
• M15: 34,495,923 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 508.4

Radius: 7.7

Gravity: 8.57 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 4.79 AU - 6.69 AU

Year: 9667 Days

Day: 18.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 42,428,328 km

• M1: 95,892 km (0.1 R)
• M2: 540,348 km (0.093 R)
• M3: 995,424 km (0.074 R)
• M4: 1,393,803 km (0.096 R)
• M5: 1,774,380 km (0.073 R)
• M6: 2,292,587 km (0.111 R)
• M7: 2,568,446 km (0.116 R)
• M8: 2,845,950 km (0.087 R)
• M9: 4,352,101 km (0.031 R)
• M10: 4,719,065 km (0.088 R)
• M11: 6,117,057 km (0.102 R)
• M12: 6,724,723 km (0.1 R)
• M13: 7,177,257 km (0.1 R)
• M14: 7,976,858 km (0.092 R)
• M15: 8,878,634 km (0.108 R)
• M16: 9,331,317 km (0.047 R)
• M17: 11,037,630 km (0.08 R)
• M18: 11,667,736 km (0.115 R)
• M19: 11,937,312 km (0.082 R)
• M20: 12,266,277 km (0.114 R)
• M21: 13,057,201 km (0.059 R)
• M22: 15,439,996 km (0.099 R)
• M23: 16,767,677 km (0.09 R)
• M24: 18,605,487 km (0.074 R)
• M25: 23,096,714 km (0.115 R)
• M26: 24,918,517 km (0.095 R)
• M27: 25,276,206 km (0.038 R)
• M28: 25,818,947 km (0.093 R)
• M29: 27,971,810 km (0.044 R)
• M30: 30,956,138 km (0.12 R)
• M31: 35,820,612 km (0.089 R)
• M32: 36,620,362 km (0.052 R)
• M33: 41,046,664 km (0.116 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 15,061 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit