🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.87 AU - 1.23 AU

Year: 457 Days

Day: 46.6 Hours

Environment

Temp: -45 °C

Axial Tilt: 3.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.21 AU - 1.51 AU

Year: 673 Days

Day: 26.9 Hours

Environment

Temp: -70 °C

Axial Tilt: 2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.59 AU - 1.77 AU

Year: 925 Days

Day: 17.4 Hours

Environment

Temp: -107 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.39 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.5

Radius: 10.6

Gravity: 8.79 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 5.04 AU - 5.14 AU

Year: 4876 Days

Day: 12.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 83,272,394 km

• M1: 131,796 km (0.1 R)
• M2: 938,278 km (0.106 R)
• M3: 1,468,303 km (0.063 R)
• M4: 2,222,426 km (0.092 R)
• M5: 3,299,979 km (0.101 R)
• M6: 4,159,868 km (0.071 R)
• M7: 5,248,192 km (0.095 R)
• M8: 6,254,687 km (0.071 R)
• M9: 6,617,312 km (0.116 R)
• M10: 7,134,472 km (0.08 R)
• M11: 7,903,854 km (0.109 R)
• M12: 9,435,287 km (0.091 R)
• M13: 10,684,130 km (0.099 R)
• M14: 11,989,671 km (0.114 R)
• M15: 12,707,142 km (0.091 R)
• M16: 15,564,611 km (0.058 R)
• M17: 18,352,816 km (0.076 R)
• M18: 19,444,432 km (0.038 R)
• M19: 24,652,084 km (0.05 R)
• M20: 26,064,886 km (0.095 R)
• M21: 30,626,274 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.7

Radius: 13.9

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 8.75 AU - 9.91 AU

Year: 12100 Days

Day: 14.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 83,272,394 km

• M1: 172,935 km (0.064 R)
• M2: 747,840 km (0.085 R)
• M3: 1,654,253 km (0.079 R)
• M4: 2,490,954 km (0.092 R)
• M5: 2,972,061 km (0.107 R)
• M6: 3,952,376 km (0.05 R)
• M7: 4,518,454 km (0.035 R)
• M8: 5,172,646 km (0.03 R)
• M9: 5,704,017 km (0.11 R)
• M10: 10,235,187 km (0.118 R)
• M11: 11,782,179 km (0.107 R)
• M12: 12,517,751 km (0.103 R)
• M13: 13,744,903 km (0.1 R)
• M14: 14,422,282 km (0.072 R)
• M15: 15,121,802 km (0.067 R)
• M16: 22,104,881 km (0.083 R)
• M17: 22,941,282 km (0.095 R)
• M18: 33,462,052 km (0.11 R)
• M19: 34,441,170 km (0.119 R)
• M20: 36,456,403 km (0.073 R)
• M21: 44,715,851 km (0.093 R)
• M22: 50,386,059 km (0.079 R)
• M23: 53,642,206 km (0.085 R)
• M24: 54,477,561 km (0.057 R)
• M25: 54,983,052 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 352.1

Radius: 4.9

Gravity: 14.66 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 10.64 AU - 11 AU

Year: 15112 Days

Day: 18.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 83,272,394 km

• M1: 63,130 km (0.116 R)
• M2: 471,084 km (0.112 R)
• M3: 859,589 km (0.054 R)
• M4: 1,033,123 km (0.066 R)
• M5: 1,550,881 km (0.108 R)
• M6: 1,909,018 km (0.04 R)
• M7: 2,116,810 km (0.113 R)
• M8: 2,496,639 km (0.108 R)
• M9: 3,910,488 km (0.106 R)
• M10: 4,104,367 km (0.088 R)
• M11: 5,008,836 km (0.119 R)
• M12: 5,439,229 km (0.101 R)
• M13: 7,039,777 km (0.116 R)
• M14: 7,368,742 km (0.115 R)
• M15: 9,218,071 km (0.115 R)
• M16: 9,562,146 km (0.111 R)
• M17: 10,068,236 km (0.094 R)
• M18: 10,645,384 km (0.083 R)
• M19: 11,637,069 km (0.084 R)
• M20: 12,213,918 km (0.111 R)
• M21: 13,486,846 km (0.026 R)
• M22: 14,580,108 km (0.069 R)
• M23: 18,832,427 km (0.093 R)
• M24: 19,626,642 km (0.12 R)
• M25: 20,031,903 km (0.081 R)
• M26: 21,196,672 km (0.084 R)
• M27: 24,584,316 km (0.076 R)
• M28: 26,210,145 km (0.115 R)
• M29: 26,899,941 km (0.119 R)
• M30: 29,357,086 km (0.063 R)
• M31: 36,024,813 km (0.077 R)
• M32: 38,369,610 km (0.093 R)
• M33: 44,602,755 km (0.089 R)
• M34: 48,471,804 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 378.5

Radius: 4.9

Gravity: 15.76 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 11.85 AU - 15.57 AU

Year: 21554 Days

Day: 17.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 83,272,394 km

• M1: 61,186 km (0.111 R)
• M2: 218,712 km (0.031 R)
• M3: 406,308 km (0.063 R)
• M4: 1,061,098 km (0.084 R)
• M5: 1,226,703 km (0.089 R)
• M6: 1,484,908 km (0.071 R)
• M7: 2,969,817 km (0.097 R)
• M8: 3,302,074 km (0.116 R)
• M9: 3,658,865 km (0.114 R)
• M10: 3,891,041 km (0.067 R)
• M11: 4,580,088 km (0.094 R)
• M12: 5,533,027 km (0.1 R)
• M13: 6,116,010 km (0.031 R)
• M14: 6,696,300 km (0.115 R)
• M15: 7,267,315 km (0.079 R)
• M16: 8,913,340 km (0.054 R)
• M17: 11,637,966 km (0.084 R)
• M18: 12,268,222 km (0.071 R)
• M19: 13,596,352 km (0.062 R)
• M20: 14,153,455 km (0.097 R)
• M21: 17,737,820 km (0.112 R)
• M22: 19,084,051 km (0.083 R)
• M23: 22,842,099 km (0.049 R)
• M24: 24,842,222 km (0.119 R)
• M25: 25,568,969 km (0.071 R)
• M26: 26,416,890 km (0.117 R)
• M27: 27,834,329 km (0.052 R)
• M28: 34,266,439 km (0.104 R)
• M29: 36,479,590 km (0.069 R)
• M30: 44,897,911 km (0.116 R)
• M31: 45,203,989 km (0.053 R)
• M32: 49,799,486 km (0.091 R)
• M33: 52,633,168 km (0.067 R)
• M34: 58,436,967 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 585.6

Radius: 6.6

Gravity: 13.44 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 14.84 AU - 15.24 AU

Year: 24765 Days

Day: 21.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 83,272,394 km

• M1: 82,428 km (0.101 R)
• M2: 291,267 km (0.113 R)
• M3: 788,381 km (0.06 R)
• M4: 1,203,664 km (0.05 R)
• M5: 1,510,789 km (0.116 R)
• M6: 2,350,781 km (0.1 R)
• M7: 2,937,803 km (0.069 R)
• M8: 3,803,975 km (0.078 R)
• M9: 5,567,584 km (0.094 R)
• M10: 7,168,580 km (0.051 R)
• M11: 7,462,391 km (0.059 R)
• M12: 11,247,666 km (0.075 R)
• M13: 11,846,955 km (0.068 R)
• M14: 12,537,498 km (0.108 R)
• M15: 13,181,517 km (0.115 R)
• M16: 14,150,612 km (0.089 R)
• M17: 15,166,232 km (0.079 R)
• M18: 18,964,672 km (0.081 R)
• M19: 19,812,892 km (0.111 R)
• M20: 20,686,094 km (0.119 R)
• M21: 22,301,452 km (0.117 R)
• M22: 23,459,489 km (0.1 R)
• M23: 28,009,209 km (0.044 R)
• M24: 28,251,109 km (0.111 R)
• M25: 28,616,427 km (0.08 R)
• M26: 28,861,618 km (0.082 R)
• M27: 31,003,560 km (0.088 R)
• M28: 33,114,087 km (0.106 R)
• M29: 33,520,245 km (0.104 R)
• M30: 49,037,883 km (0.11 R)
• M31: 53,924,048 km (0.061 R)
• M32: 64,650,365 km (0.101 R)
• M33: 65,072,830 km (0.095 R)
• M34: 68,081,841 km (0.114 R)
• M35: 69,842,309 km (0.108 R)
• M36: 75,538,996 km (0.099 R)
• M37: 77,187,864 km (0.118 R)
• M38: 77,901,745 km (0.041 R)
• M39: 80,801,550 km (0.099 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 491 - 17,713 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit