🌌 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: 907.2

Radius: 10.2

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.54 AU - 0.64 AU

Year: 307 Days

Day: 14.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 15,482,090 km

• M1: 126,859 km (0.08 R)
• M2: 466,596 km (0.11 R)
• M3: 881,131 km (0.06 R)
• M4: 1,398,740 km (0.097 R)
• M5: 1,832,873 km (0.114 R)
• M6: 2,696,801 km (0.068 R)
• M7: 3,070,646 km (0.039 R)
• M8: 3,490,567 km (0.114 R)
• M9: 3,936,070 km (0.086 R)
• M10: 4,392,193 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.4

Radius: 10.6

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.66 AU - 0.92 AU

Year: 476 Days

Day: 9.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 15,482,090 km

• M1: 131,796 km (0.106 R)
• M2: 471,233 km (0.109 R)
• M3: 1,054,665 km (0.073 R)
• M4: 1,484,609 km (0.085 R)
• M5: 2,022,563 km (0.087 R)
• M6: 2,825,156 km (0.11 R)
• M7: 3,908,843 km (0.109 R)
• M8: 4,767,385 km (0.086 R)
• M9: 5,118,042 km (0.096 R)
• M10: 5,468,849 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.7

Radius: 13.9

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.21 AU - 1.31 AU

Year: 959 Days

Day: 10.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 15,482,090 km

• M1: 172,935 km (0.09 R)
• M2: 621,878 km (0.096 R)
• M3: 1,054,216 km (0.064 R)
• M4: 1,692,401 km (0.057 R)
• M5: 2,166,028 km (0.069 R)
• M6: 2,729,114 km (0.099 R)
• M7: 3,282,925 km (0.069 R)
• M8: 3,794,251 km (0.07 R)
• M9: 4,294,955 km (0.115 R)
• M10: 4,737,465 km (0.099 R)
• M11: 6,845,150 km (0.081 R)
• M12: 7,382,954 km (0.062 R)
• M13: 7,972,968 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.8

Radius: 11.5

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.29 AU - 1.83 AU

Year: 1322 Days

Day: 6 Hours

Environment

Temp: -197 °C

Axial Tilt: 69.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 15,482,090 km

• M1: 143,016 km (0.098 R)
• M2: 564,433 km (0.092 R)
• M3: 1,294,620 km (0.068 R)
• M4: 2,690,368 km (0.107 R)
• M5: 4,811,816 km (0.089 R)
• M6: 5,438,182 km (0.062 R)
• M7: 6,213,099 km (0.091 R)
• M8: 6,803,262 km (0.104 R)
• M9: 8,531,866 km (0.08 R)
• M10: 9,578,004 km (0.1 R)
• M11: 10,916,007 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.4

Radius: 12

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.62 AU - 3.14 AU

Year: 3315 Days

Day: 9.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 15,482,090 km

• M1: 149,299 km (0.095 R)
• M2: 583,432 km (0.114 R)
• M3: 1,548,637 km (0.077 R)
• M4: 2,164,083 km (0.045 R)
• M5: 2,736,743 km (0.116 R)
• M6: 3,867,105 km (0.106 R)
• M7: 4,434,679 km (0.108 R)
• M8: 5,158,284 km (0.109 R)
• M9: 6,214,894 km (0.105 R)
• M10: 8,863,524 km (0.081 R)
• M11: 10,293,829 km (0.118 R)
• M12: 11,300,623 km (0.116 R)
• M13: 11,828,105 km (0.111 R)
• M14: 12,371,894 km (0.08 R)
• M15: 13,267,087 km (0.062 R)
• M16: 15,292,343 km (0.113 R)
• M17: 17,926,163 km (0.109 R)
• M18: 18,462,920 km (0.097 R)
• M19: 19,568,897 km (0.119 R)
• M20: 20,914,381 km (0.116 R)
• M21: 21,376,189 km (0.077 R)
• M22: 22,252,085 km (0.027 R)
• M23: 23,788,754 km (0.101 R)
• M24: 24,292,301 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.4

Radius: 9.8

Gravity: 8.93 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.05 AU - 3.15 AU

Year: 3702 Days

Day: 13.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 15,482,090 km

• M1: 124,316 km (0.12 R)
• M2: 1,622,987 km (0.08 R)
• M3: 2,395,660 km (0.073 R)
• M4: 2,909,679 km (0.1 R)
• M5: 3,317,931 km (0.111 R)
• M6: 3,743,088 km (0.115 R)
• M7: 4,366,313 km (0.059 R)
• M8: 4,703,207 km (0.044 R)
• M9: 6,348,934 km (0.076 R)
• M10: 7,368,892 km (0.116 R)
• M11: 7,988,825 km (0.076 R)
• M12: 8,568,667 km (0.103 R)
• M13: 8,983,352 km (0.032 R)
• M14: 11,576,781 km (0.083 R)
• M15: 12,462,400 km (0.093 R)
• M16: 13,143,370 km (0.096 R)
• M17: 13,797,561 km (0.091 R)
• M18: 15,390,479 km (0.104 R)
• M19: 16,117,375 km (0.102 R)
• M20: 17,102,328 km (0.049 R)
• M21: 18,811,334 km (0.09 R)
• M22: 22,494,882 km (0.071 R)
• M23: 22,851,823 km (0.101 R)
• M24: 23,945,682 km (0.082 R)
• M25: 24,543,027 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.1

Radius: 9.7

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.38 AU - 5.98 AU

Year: 7996 Days

Day: 11.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 15,482,090 km

• M1: 194,776 km (0.117 R)
• M2: 560,842 km (0.117 R)
• M3: 983,606 km (0.088 R)
• M4: 1,938,938 km (0.055 R)
• M5: 2,330,735 km (0.107 R)
• M6: 2,662,543 km (0.067 R)
• M7: 4,281,192 km (0.116 R)
• M8: 6,023,109 km (0.079 R)
• M9: 6,549,544 km (0.113 R)
• M10: 7,523,127 km (0.113 R)
• M11: 8,590,508 km (0.119 R)
• M12: 13,584,384 km (0.066 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 341 - 13,261 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit