🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988

Radius: 12.5

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.57 AU - 0.91 AU

Year: 447 Days

Day: 10 Hours

Environment

Temp: -161 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,740,506 km

• M1: 155,432 km (0.106 R)
• M2: 667,506 km (0.075 R)
• M3: 1,104,182 km (0.086 R)
• M4: 1,525,449 km (0.116 R)
• M5: 2,108,283 km (0.108 R)
• M6: 2,739,735 km (0.087 R)
• M7: 3,141,854 km (0.069 R)
• M8: 3,793,054 km (0.106 R)
• M9: 5,116,098 km (0.099 R)
• M10: 6,131,119 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.1

Radius: 11.5

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.8 AU - 1.1 AU

Year: 651 Days

Day: 7.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 63.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,740,506 km

• M1: 144,512 km (0.11 R)
• M2: 545,583 km (0.1 R)
• M3: 944,112 km (0.084 R)
• M4: 1,319,304 km (0.096 R)
• M5: 2,913,867 km (0.096 R)
• M6: 3,457,057 km (0.105 R)
• M7: 4,446,797 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.3

Radius: 11.1

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.67 AU - 2.11 AU

Year: 1826 Days

Day: 5.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,740,506 km

• M1: 138,228 km (0.1 R)
• M2: 803,191 km (0.103 R)
• M3: 1,297,313 km (0.095 R)
• M4: 1,741,918 km (0.063 R)
• M5: 2,415,108 km (0.104 R)
• M6: 2,900,553 km (0.072 R)
• M7: 3,335,135 km (0.119 R)
• M8: 4,494,668 km (0.104 R)
• M9: 5,123,129 km (0.112 R)
• M10: 6,174,951 km (0.086 R)
• M11: 7,999,746 km (0.042 R)
• M12: 10,055,370 km (0.09 R)
• M13: 10,405,729 km (0.082 R)
• M14: 11,928,785 km (0.089 R)
• M15: 14,067,735 km (0.071 R)
• M16: 14,774,435 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.8

Radius: 13.9

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.86 AU - 3.68 AU

Year: 4157 Days

Day: 5.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,740,506 km

• M1: 172,935 km (0.04 R)
• M2: 654,491 km (0.084 R)
• M3: 1,432,699 km (0.11 R)
• M4: 1,938,639 km (0.112 R)
• M5: 3,381,510 km (0.095 R)
• M6: 3,894,781 km (0.075 R)
• M7: 4,366,163 km (0.099 R)
• M8: 5,184,464 km (0.111 R)
• M9: 7,159,754 km (0.114 R)
• M10: 7,663,450 km (0.075 R)
• M11: 8,592,902 km (0.111 R)
• M12: 9,436,783 km (0.074 R)
• M13: 10,126,280 km (0.036 R)
• M14: 12,067,611 km (0.109 R)
• M15: 12,589,558 km (0.036 R)
• M16: 14,829,787 km (0.073 R)
• M17: 16,158,216 km (0.114 R)
• M18: 16,792,810 km (0.086 R)
• M19: 17,685,161 km (0.086 R)
• M20: 18,421,631 km (0.087 R)
• M21: 19,050,840 km (0.098 R)
• M22: 19,824,710 km (0.112 R)
• M23: 22,628,174 km (0.105 R)
• M24: 26,551,528 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.1

Radius: 8.7

Gravity: 10.57 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.69 AU - 4.73 AU

Year: 6072 Days

Day: 7 Hours

Environment

Temp: -216 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 41,740,506 km

• M1: 108,309 km (0.08 R)
• M2: 419,173 km (0.115 R)
• M3: 720,763 km (0.106 R)
• M4: 1,122,134 km (0.071 R)
• M5: 1,564,495 km (0.082 R)
• M6: 2,559,320 km (0.108 R)
• M7: 3,309,853 km (0.046 R)
• M8: 3,879,073 km (0.108 R)
• M9: 5,572,670 km (0.083 R)
• M10: 5,950,255 km (0.06 R)
• M11: 7,444,888 km (0.09 R)
• M12: 8,020,839 km (0.089 R)
• M13: 9,973,391 km (0.119 R)
• M14: 11,108,839 km (0.108 R)
• M15: 13,690,898 km (0.113 R)
• M16: 13,974,984 km (0.056 R)
• M17: 18,447,362 km (0.049 R)
• M18: 18,864,142 km (0.03 R)
• M19: 20,225,632 km (0.112 R)
• M20: 21,269,825 km (0.075 R)
• M21: 27,845,100 km (0.118 R)
• M22: 28,670,731 km (0.066 R)
• M23: 29,892,048 km (0.064 R)
• M24: 30,952,248 km (0.076 R)
• M25: 32,037,282 km (0.038 R)
• M26: 32,337,525 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 239.5

Radius: 3.4

Gravity: 20.72 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 5.66 AU - 7.74 AU

Year: 12190 Days

Day: 22.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 41,740,506 km

• M1: 42,336 km (0.096 R)
• M2: 152,440 km (0.049 R)
• M3: 341,083 km (0.054 R)
• M4: 1,134,401 km (0.051 R)
• M5: 1,706,762 km (0.04 R)
• M6: 2,121,298 km (0.106 R)
• M7: 2,396,558 km (0.118 R)
• M8: 2,542,865 km (0.064 R)
• M9: 2,773,694 km (0.073 R)
• M10: 3,366,102 km (0.119 R)
• M11: 4,626,613 km (0.09 R)
• M12: 4,824,980 km (0.09 R)
• M13: 4,940,918 km (0.073 R)
• M14: 5,612,314 km (0.079 R)
• M15: 6,342,202 km (0.079 R)
• M16: 7,021,825 km (0.105 R)
• M17: 8,315,098 km (0.06 R)
• M18: 11,058,424 km (0.097 R)
• M19: 11,464,582 km (0.113 R)
• M20: 13,645,271 km (0.115 R)
• M21: 16,346,260 km (0.095 R)
• M22: 17,821,594 km (0.095 R)
• M23: 18,029,386 km (0.052 R)
• M24: 19,383,247 km (0.093 R)
• M25: 20,122,260 km (0.056 R)
• M26: 22,775,528 km (0.092 R)
• M27: 23,598,167 km (0.098 R)
• M28: 26,723,416 km (0.073 R)
• M29: 27,730,808 km (0.076 R)
• M30: 32,115,671 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 263.5

Radius: 4.1

Gravity: 15.68 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 6.19 AU - 7.87 AU

Year: 13102 Days

Day: 18.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 41,740,506 km

• M1: 51,611 km (0.081 R)
• M2: 369,656 km (0.088 R)
• M3: 532,269 km (0.092 R)
• M4: 766,988 km (0.105 R)
• M5: 1,057,208 km (0.072 R)
• M6: 1,269,039 km (0.067 R)
• M7: 1,916,199 km (0.111 R)
• M8: 2,145,682 km (0.095 R)
• M9: 3,228,771 km (0.098 R)
• M10: 4,030,017 km (0.11 R)
• M11: 4,434,829 km (0.085 R)
• M12: 4,748,536 km (0.077 R)
• M13: 5,778,667 km (0.055 R)
• M14: 7,255,347 km (0.043 R)
• M15: 8,966,148 km (0.111 R)
• M16: 9,146,264 km (0.118 R)
• M17: 10,525,108 km (0.101 R)
• M18: 14,411,810 km (0.112 R)
• M19: 17,921,675 km (0.065 R)
• M20: 20,605,611 km (0.086 R)
• M21: 21,798,803 km (0.101 R)
• M22: 23,545,508 km (0.119 R)
• M23: 24,848,954 km (0.078 R)
• M24: 25,293,858 km (0.105 R)
• M25: 26,567,834 km (0.078 R)
• M26: 30,442,718 km (0.105 R)
• M27: 32,197,501 km (0.071 R)
• M28: 33,368,403 km (0.114 R)
• M29: 37,747,881 km (0.076 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 183 - 17,671 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit