🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.5

Radius: 14.9

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.49 AU - 0.69 AU

Year: 302 Days

Day: 5.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 34,722,472 km

• M1: 185,651 km (0.089 R)
• M2: 758,461 km (0.09 R)
• M3: 1,221,915 km (0.089 R)
• M4: 1,694,794 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.1

Radius: 13.1

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.63 AU - 0.63 AU

Year: 333 Days

Day: 8.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,722,472 km

• M1: 163,810 km (0.102 R)
• M2: 628,012 km (0.102 R)
• M3: 1,108,371 km (0.041 R)
• M4: 1,527,693 km (0.111 R)
• M5: 1,956,890 km (0.117 R)
• M6: 2,381,149 km (0.103 R)
• M7: 3,026,963 km (0.081 R)
• M8: 3,543,375 km (0.052 R)
• M9: 3,981,248 km (0.056 R)
• M10: 4,428,695 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.9

Radius: 13.4

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.78 AU - 1.26 AU

Year: 687 Days

Day: 8.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,722,472 km

• M1: 166,652 km (0.086 R)
• M2: 612,454 km (0.103 R)
• M3: 1,172,847 km (0.062 R)
• M4: 1,808,788 km (0.118 R)
• M5: 2,239,480 km (0.086 R)
• M6: 2,719,091 km (0.043 R)
• M7: 3,232,511 km (0.066 R)
• M8: 3,771,811 km (0.118 R)
• M9: 4,693,633 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.7

Radius: 13.6

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.01 AU - 1.47 AU

Year: 921 Days

Day: 10.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,722,472 km

• M1: 169,195 km (0.113 R)
• M2: 684,410 km (0.114 R)
• M3: 1,495,081 km (0.104 R)
• M4: 2,258,629 km (0.105 R)
• M5: 3,326,009 km (0.097 R)
• M6: 4,723,852 km (0.036 R)
• M7: 6,049,738 km (0.092 R)
• M8: 7,462,839 km (0.08 R)
• M9: 8,221,151 km (0.086 R)
• M10: 9,142,225 km (0.111 R)
• M11: 9,656,991 km (0.046 R)
• M12: 10,160,837 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.2

Radius: 9.9

Gravity: 9.77 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.64 AU - 2.02 AU

Year: 1651 Days

Day: 12.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 56.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,722,472 km

• M1: 125,961 km (0.116 R)
• M2: 466,895 km (0.071 R)
• M3: 780,302 km (0.042 R)
• M4: 1,124,527 km (0.079 R)
• M5: 1,650,513 km (0.053 R)
• M6: 2,075,970 km (0.049 R)
• M7: 2,492,151 km (0.068 R)
• M8: 2,844,155 km (0.106 R)
• M9: 3,511,212 km (0.111 R)
• M10: 4,766,039 km (0.034 R)
• M11: 5,565,340 km (0.088 R)
• M12: 6,221,626 km (0.096 R)
• M13: 6,874,621 km (0.115 R)
• M14: 7,287,810 km (0.114 R)
• M15: 8,225,041 km (0.055 R)
• M16: 9,778,764 km (0.108 R)
• M17: 10,734,246 km (0.03 R)
• M18: 12,024,527 km (0.111 R)
• M19: 12,342,572 km (0.07 R)
• M20: 14,326,240 km (0.116 R)
• M21: 15,139,305 km (0.044 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.2

Radius: 13.2

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.09 AU - 2.77 AU

Year: 2526 Days

Day: 8.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 34,722,472 km

• M1: 164,109 km (0.092 R)
• M2: 776,413 km (0.067 R)
• M3: 1,798,914 km (0.088 R)
• M4: 2,468,664 km (0.091 R)
• M5: 3,047,458 km (0.076 R)
• M6: 4,269,523 km (0.116 R)
• M7: 5,038,755 km (0.068 R)
• M8: 6,029,093 km (0.103 R)
• M9: 6,854,126 km (0.106 R)
• M10: 7,815,591 km (0.036 R)
• M11: 8,865,020 km (0.072 R)
• M12: 9,531,329 km (0.12 R)
• M13: 10,118,202 km (0.093 R)
• M14: 10,729,010 km (0.086 R)
• M15: 11,940,752 km (0.063 R)
• M16: 12,450,133 km (0.118 R)
• M17: 13,152,046 km (0.083 R)
• M18: 14,019,714 km (0.065 R)
• M19: 14,539,267 km (0.094 R)
• M20: 15,022,618 km (0.09 R)
• M21: 15,869,193 km (0.074 R)
• M22: 18,097,004 km (0.087 R)
• M23: 18,543,853 km (0.06 R)
• M24: 19,752,155 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.4

Radius: 14.4

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.34 AU - 2.88 AU

Year: 2812 Days

Day: 6.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 177.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,722,472 km

• M1: 179,069 km (0.048 R)
• M2: 724,054 km (0.097 R)
• M3: 1,553,424 km (0.101 R)
• M4: 2,044,105 km (0.079 R)
• M5: 4,079,384 km (0.116 R)
• M6: 5,057,904 km (0.115 R)
• M7: 5,563,994 km (0.064 R)
• M8: 6,949,120 km (0.116 R)
• M9: 8,139,471 km (0.089 R)
• M10: 10,799,021 km (0.098 R)
• M11: 13,798,309 km (0.095 R)
• M12: 17,145,861 km (0.104 R)
• M13: 18,471,148 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 289.5

Radius: 4.3

Gravity: 15.66 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 4.5 AU - 7.24 AU

Year: 9484 Days

Day: 23.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 34,722,472 km

• M1: 54,005 km (0.028 R)
• M2: 217,814 km (0.107 R)
• M3: 486,343 km (0.108 R)
• M4: 743,501 km (0.103 R)
• M5: 1,243,607 km (0.09 R)
• M6: 1,404,126 km (0.056 R)
• M7: 1,671,008 km (0.107 R)
• M8: 2,190,113 km (0.098 R)
• M9: 3,170,727 km (0.107 R)
• M10: 3,629,992 km (0.083 R)
• M11: 5,727,654 km (0.092 R)
• M12: 7,210,019 km (0.059 R)
• M13: 8,356,088 km (0.12 R)
• M14: 8,930,394 km (0.114 R)
• M15: 9,486,899 km (0.087 R)
• M16: 10,248,950 km (0.116 R)
• M17: 17,473,181 km (0.106 R)
• M18: 18,206,360 km (0.107 R)
• M19: 19,029,298 km (0.037 R)
• M20: 20,749,075 km (0.066 R)
• M21: 21,045,428 km (0.065 R)
• M22: 24,411,680 km (0.102 R)
• M23: 24,991,671 km (0.119 R)
• M24: 27,581,509 km (0.101 R)
• M25: 30,154,892 km (0.098 R)
• M26: 33,286,723 km (0.102 R)
• M27: 33,999,557 km (0.091 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 446 - 14,593 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit