🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.51 AU - 0.63 AU

Year: 282 Days

Day: 43.8 Hours

Environment

Temp: -122 °C

Axial Tilt: 6.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 79,565,312 km

• M1: 77,193 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.1

Radius: 10.4

Gravity: 8.18 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.72 AU - 0.8 AU

Year: 435 Days

Day: 6.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,565,312 km

• M1: 129,402 km (0.03 R)
• M2: 468,241 km (0.113 R)
• M3: 1,070,971 km (0.116 R)
• M4: 1,481,767 km (0.071 R)
• M5: 1,939,387 km (0.086 R)
• M6: 2,431,414 km (0.05 R)
• M7: 2,960,841 km (0.068 R)
• M8: 3,931,731 km (0.062 R)
• M9: 4,633,196 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.2

Radius: 14.5

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.77 AU - 2.51 AU

Year: 2054 Days

Day: 13.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,565,312 km

• M1: 180,265 km (0.036 R)
• M2: 704,606 km (0.074 R)
• M3: 1,216,231 km (0.091 R)
• M4: 1,803,552 km (0.089 R)
• M5: 2,522,669 km (0.09 R)
• M6: 3,658,566 km (0.111 R)
• M7: 4,252,020 km (0.063 R)
• M8: 5,807,240 km (0.12 R)
• M9: 7,654,624 km (0.111 R)
• M10: 8,243,591 km (0.078 R)
• M11: 9,373,354 km (0.108 R)
• M12: 9,867,625 km (0.071 R)
• M13: 12,104,113 km (0.094 R)
• M14: 13,786,641 km (0.095 R)
• M15: 14,242,166 km (0.07 R)
• M16: 14,802,111 km (0.115 R)
• M17: 16,367,503 km (0.116 R)
• M18: 17,986,750 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.2

Radius: 14.1

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4.66 AU - 6.42 AU

Year: 8554 Days

Day: 13.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,565,312 km

• M1: 175,478 km (0.065 R)
• M2: 792,420 km (0.094 R)
• M3: 1,375,702 km (0.099 R)
• M4: 2,519,677 km (0.067 R)
• M5: 3,213,961 km (0.098 R)
• M6: 3,786,023 km (0.072 R)
• M7: 4,226,289 km (0.115 R)
• M8: 4,939,722 km (0.118 R)
• M9: 5,519,862 km (0.086 R)
• M10: 6,608,187 km (0.091 R)
• M11: 7,063,114 km (0.092 R)
• M12: 8,555,801 km (0.107 R)
• M13: 9,777,717 km (0.068 R)
• M14: 11,113,027 km (0.083 R)
• M15: 12,890,549 km (0.117 R)
• M16: 13,749,690 km (0.117 R)
• M17: 15,057,624 km (0.09 R)
• M18: 15,795,441 km (0.109 R)
• M19: 19,479,737 km (0.11 R)
• M20: 22,730,648 km (0.081 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 994.3

Radius: 5.6

Gravity: 31.71 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 5.22 AU - 6.98 AU

Year: 9883 Days

Day: 19.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 79,565,312 km

• M1: 69,713 km (0.083 R)
• M2: 277,803 km (0.051 R)
• M3: 1,014,872 km (0.117 R)
• M4: 1,200,373 km (0.12 R)
• M5: 1,521,710 km (0.095 R)
• M6: 2,663,291 km (0.095 R)
• M7: 4,111,249 km (0.102 R)
• M8: 4,496,314 km (0.067 R)
• M9: 5,338,550 km (0.029 R)
• M10: 6,631,973 km (0.103 R)
• M11: 7,544,520 km (0.095 R)
• M12: 7,896,224 km (0.045 R)
• M13: 8,537,999 km (0.073 R)
• M14: 9,164,366 km (0.087 R)
• M15: 11,002,923 km (0.098 R)
• M16: 15,601,412 km (0.085 R)
• M17: 16,244,534 km (0.079 R)
• M18: 19,562,914 km (0.049 R)
• M19: 20,819,236 km (0.077 R)
• M20: 21,686,156 km (0.071 R)
• M21: 22,039,506 km (0.11 R)
• M22: 25,006,331 km (0.11 R)
• M23: 25,985,449 km (0.045 R)
• M24: 26,184,265 km (0.061 R)
• M25: 30,598,300 km (0.083 R)
• M26: 34,276,463 km (0.076 R)
• M27: 34,515,670 km (0.113 R)
• M28: 37,854,844 km (0.085 R)
• M29: 38,496,020 km (0.038 R)
• M30: 40,729,965 km (0.099 R)
• M31: 41,267,919 km (0.112 R)
• M32: 45,743,439 km (0.082 R)
• M33: 53,046,507 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 983.9

Radius: 6.7

Gravity: 21.92 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 5.46 AU - 7.98 AU

Year: 11428 Days

Day: 16.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 79,565,312 km

• M1: 83,326 km (0.065 R)
• M2: 548,575 km (0.08 R)
• M3: 849,417 km (0.078 R)
• M4: 1,085,333 km (0.087 R)
• M5: 1,552,975 km (0.042 R)
• M6: 1,808,040 km (0.072 R)
• M7: 3,196,308 km (0.109 R)
• M8: 3,478,300 km (0.094 R)
• M9: 3,693,871 km (0.076 R)
• M10: 4,614,945 km (0.113 R)
• M11: 4,942,414 km (0.098 R)
• M12: 7,286,613 km (0.093 R)
• M13: 8,772,569 km (0.072 R)
• M14: 12,643,862 km (0.096 R)
• M15: 16,220,149 km (0.066 R)
• M16: 16,824,225 km (0.026 R)
• M17: 18,238,224 km (0.094 R)
• M18: 20,768,074 km (0.105 R)
• M19: 21,033,311 km (0.101 R)
• M20: 26,099,144 km (0.053 R)
• M21: 31,571,434 km (0.073 R)
• M22: 31,804,956 km (0.067 R)
• M23: 40,448,871 km (0.076 R)
• M24: 47,872,665 km (0.108 R)
• M25: 48,335,670 km (0.075 R)
• M26: 49,900,464 km (0.11 R)
• M27: 51,015,716 km (0.045 R)
• M28: 54,293,705 km (0.092 R)
• M29: 57,709,323 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 956.6

Radius: 5.7

Gravity: 29.44 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 7.04 AU - 11.22 AU

Year: 18097 Days

Day: 17.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 74.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 79,565,312 km

• M1: 70,909 km (0.073 R)
• M2: 396,434 km (0.112 R)
• M3: 988,543 km (0.111 R)
• M4: 1,517,072 km (0.087 R)
• M5: 1,724,115 km (0.065 R)
• M6: 2,370,977 km (0.092 R)
• M7: 4,572,160 km (0.086 R)
• M8: 5,469,897 km (0.111 R)
• M9: 6,044,951 km (0.09 R)
• M10: 7,961,000 km (0.116 R)
• M11: 8,644,363 km (0.097 R)
• M12: 9,083,882 km (0.088 R)
• M13: 10,492,346 km (0.064 R)
• M14: 11,184,086 km (0.081 R)
• M15: 11,772,305 km (0.063 R)
• M16: 14,181,429 km (0.072 R)
• M17: 15,183,585 km (0.109 R)
• M18: 15,904,348 km (0.109 R)
• M19: 17,241,753 km (0.061 R)
• M20: 18,742,968 km (0.074 R)
• M21: 23,343,252 km (0.089 R)
• M22: 25,287,725 km (0.026 R)
• M23: 25,510,177 km (0.109 R)
• M24: 25,959,120 km (0.112 R)
• M25: 29,495,464 km (0.116 R)
• M26: 30,742,063 km (0.092 R)
• M27: 31,250,397 km (0.088 R)
• M28: 34,282,746 km (0.038 R)
• M29: 38,672,396 km (0.087 R)
• M30: 41,849,855 km (0.096 R)
• M31: 42,788,581 km (0.099 R)
• M32: 45,360,618 km (0.109 R)
• M33: 52,418,196 km (0.117 R)
• M34: 58,603,769 km (0.102 R)
• M35: 58,798,396 km (0.094 R)
• M36: 60,769,049 km (0.091 R)
• M37: 66,520,040 km (0.11 R)
• M38: 70,402,404 km (0.069 R)
• M39: 78,378,812 km (0.096 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 353 - 17,902 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit