🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.2

Radius: 8.1

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.85 AU - 1.13 AU

Year: 636 Days

Day: 9.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,957,741 km

• M1: 100,829 km (0.073 R)
• M2: 362,326 km (0.116 R)
• M3: 708,047 km (0.066 R)
• M4: 1,036,115 km (0.101 R)
• M5: 1,645,876 km (0.107 R)
• M6: 2,193,703 km (0.041 R)
• M7: 2,886,491 km (0.1 R)
• M8: 3,671,880 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.3

Radius: 10.7

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.73 AU - 2.23 AU

Year: 1799 Days

Day: 5.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 77,957,741 km

• M1: 146,008 km (0.105 R)
• M2: 577,597 km (0.113 R)
• M3: 1,553,424 km (0.118 R)
• M4: 3,329,899 km (0.115 R)
• M5: 3,957,612 km (0.072 R)
• M6: 5,539,759 km (0.076 R)
• M7: 7,440,250 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.9

Radius: 10.8

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.96 AU - 2.82 AU

Year: 2386 Days

Day: 5.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 77,957,741 km

• M1: 134,339 km (0.086 R)
• M2: 506,688 km (0.102 R)
• M3: 1,318,705 km (0.1 R)
• M4: 2,005,509 km (0.06 R)
• M5: 2,590,736 km (0.103 R)
• M6: 3,500,141 km (0.115 R)
• M7: 4,351,652 km (0.092 R)
• M8: 4,963,957 km (0.053 R)
• M9: 6,462,478 km (0.063 R)
• M10: 7,014,345 km (0.107 R)
• M11: 7,626,051 km (0.064 R)
• M12: 9,376,944 km (0.1 R)
• M13: 12,344,816 km (0.092 R)
• M14: 13,529,781 km (0.102 R)
• M15: 13,955,387 km (0.112 R)
• M16: 14,788,797 km (0.115 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 756.9

Radius: 4.2

Gravity: 42.91 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 7.67 AU - 9.13 AU

Year: 15719 Days

Day: 17.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 77,957,741 km

• M1: 53,107 km (0.092 R)
• M2: 199,264 km (0.089 R)
• M3: 417,228 km (0.1 R)
• M4: 645,964 km (0.106 R)
• M5: 804,687 km (0.118 R)
• M6: 1,506,002 km (0.079 R)
• M7: 1,859,651 km (0.088 R)
• M8: 2,144,635 km (0.038 R)
• M9: 2,801,071 km (0.042 R)
• M10: 3,554,296 km (0.099 R)
• M11: 4,368,707 km (0.081 R)
• M12: 5,011,828 km (0.079 R)
• M13: 7,409,283 km (0.118 R)
• M14: 7,784,176 km (0.105 R)
• M15: 8,673,535 km (0.089 R)
• M16: 8,879,980 km (0.07 R)
• M17: 17,518,659 km (0.074 R)
• M18: 21,663,118 km (0.117 R)
• M19: 25,038,345 km (0.096 R)
• M20: 25,668,152 km (0.088 R)
• M21: 26,201,020 km (0.114 R)
• M22: 28,747,774 km (0.097 R)
• M23: 34,198,223 km (0.09 R)
• M24: 35,628,079 km (0.093 R)
• M25: 43,982,073 km (0.081 R)
• M26: 48,044,254 km (0.067 R)
• M27: 50,166,000 km (0.12 R)
• M28: 55,830,973 km (0.109 R)
• M29: 57,265,766 km (0.093 R)
• M30: 62,672,831 km (0.107 R)
• M31: 63,057,746 km (0.089 R)
• M32: 64,809,538 km (0.1 R)
• M33: 66,393,779 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 979.4

Radius: 4.8

Gravity: 42.51 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 7.51 AU - 10.43 AU

Year: 17346 Days

Day: 17.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 77,957,741 km

• M1: 62,682 km (0.036 R)
• M2: 312,211 km (0.098 R)
• M3: 1,150,108 km (0.05 R)
• M4: 1,397,543 km (0.041 R)
• M5: 1,610,122 km (0.054 R)
• M6: 2,335,672 km (0.102 R)
• M7: 3,399,612 km (0.097 R)
• M8: 3,941,754 km (0.065 R)
• M9: 4,167,647 km (0.07 R)
• M10: 4,334,150 km (0.061 R)
• M11: 4,751,976 km (0.079 R)
• M12: 6,039,565 km (0.101 R)
• M13: 8,199,010 km (0.083 R)
• M14: 12,055,195 km (0.067 R)
• M15: 12,809,018 km (0.088 R)
• M16: 14,184,272 km (0.113 R)
• M17: 14,946,174 km (0.036 R)
• M18: 16,551,359 km (0.104 R)
• M19: 17,915,542 km (0.056 R)
• M20: 19,911,177 km (0.12 R)
• M21: 21,353,899 km (0.103 R)
• M22: 25,097,586 km (0.045 R)
• M23: 25,538,750 km (0.099 R)
• M24: 36,742,733 km (0.074 R)
• M25: 38,612,557 km (0.044 R)
• M26: 47,394,101 km (0.111 R)
• M27: 51,355,752 km (0.113 R)
• M28: 53,872,288 km (0.099 R)
• M29: 55,532,674 km (0.115 R)
• M30: 59,930,253 km (0.08 R)
• M31: 67,694,682 km (0.106 R)
• M32: 71,595,746 km (0.115 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: 424 - 19,012 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit