🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.8

Radius: 11.6

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.42 AU - 0.68 AU

Year: 277 Days

Day: 7.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 113.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,681,501 km

• M1: 144,212 km (0.111 R)
• M2: 563,984 km (0.108 R)
• M3: 969,394 km (0.104 R)
• M4: 1,379,143 km (0.072 R)
• M5: 1,821,055 km (0.049 R)
• M6: 2,324,302 km (0.04 R)
• M7: 2,775,489 km (0.076 R)
• M8: 3,403,052 km (0.037 R)
• M9: 4,098,383 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.5

Radius: 11.9

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.48 AU - 1.86 AU

Year: 1464 Days

Day: 6.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,681,501 km

• M1: 148,551 km (0.056 R)
• M2: 590,912 km (0.092 R)
• M3: 1,377,796 km (0.116 R)
• M4: 2,171,862 km (0.096 R)
• M5: 3,160,554 km (0.041 R)
• M6: 4,465,347 km (0.048 R)
• M7: 4,972,035 km (0.089 R)
• M8: 7,080,766 km (0.092 R)
• M9: 8,892,097 km (0.107 R)
• M10: 10,051,631 km (0.112 R)
• M11: 10,787,502 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.8

Radius: 14.4

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.87 AU - 2.29 AU

Year: 2035 Days

Day: 8.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,681,501 km

• M1: 179,069 km (0.094 R)
• M2: 683,513 km (0.093 R)
• M3: 2,074,773 km (0.073 R)
• M4: 3,616,678 km (0.118 R)
• M5: 4,588,466 km (0.065 R)
• M6: 5,181,921 km (0.092 R)
• M7: 6,045,998 km (0.079 R)
• M8: 8,061,680 km (0.068 R)
• M9: 8,982,155 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.3

Radius: 12.4

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 4.07 AU - 4.71 AU

Year: 6239 Days

Day: 11.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,681,501 km

• M1: 154,235 km (0.092 R)
• M2: 563,834 km (0.109 R)
• M3: 1,384,827 km (0.082 R)
• M4: 2,050,688 km (0.045 R)
• M5: 2,631,576 km (0.1 R)
• M6: 3,023,074 km (0.064 R)
• M7: 3,755,655 km (0.077 R)
• M8: 4,770,676 km (0.087 R)
• M9: 6,329,486 km (0.095 R)
• M10: 6,785,460 km (0.113 R)
• M11: 7,300,974 km (0.082 R)
• M12: 7,803,025 km (0.066 R)
• M13: 8,369,402 km (0.092 R)
• M14: 10,187,316 km (0.06 R)
• M15: 12,966,096 km (0.088 R)
• M16: 14,771,743 km (0.03 R)
• M17: 15,639,859 km (0.069 R)
• M18: 17,072,408 km (0.109 R)
• M19: 21,111,700 km (0.069 R)
• M20: 25,659,176 km (0.089 R)
• M21: 26,191,745 km (0.113 R)
• M22: 28,585,311 km (0.101 R)
• M23: 29,543,635 km (0.092 R)
• M24: 30,721,718 km (0.061 R)
• M25: 36,079,865 km (0.1 R)
• M26: 37,653,036 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.1

Radius: 14

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.81 AU - 5.29 AU

Year: 6583 Days

Day: 10.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,681,501 km

• M1: 174,880 km (0.092 R)
• M2: 641,775 km (0.073 R)
• M3: 1,181,075 km (0.119 R)
• M4: 1,711,549 km (0.082 R)
• M5: 2,316,523 km (0.071 R)
• M6: 3,381,660 km (0.076 R)
• M7: 4,558,846 km (0.047 R)
• M8: 5,153,497 km (0.099 R)
• M9: 5,704,017 km (0.062 R)
• M10: 6,709,165 km (0.063 R)
• M11: 7,750,965 km (0.075 R)
• M12: 8,812,511 km (0.055 R)
• M13: 9,738,971 km (0.105 R)
• M14: 10,487,559 km (0.084 R)
• M15: 11,476,999 km (0.081 R)
• M16: 12,259,246 km (0.079 R)
• M17: 14,223,018 km (0.085 R)
• M18: 18,134,254 km (0.055 R)
• M19: 23,199,488 km (0.099 R)
• M20: 24,365,753 km (0.091 R)
• M21: 27,452,406 km (0.115 R)
• M22: 30,005,294 km (0.109 R)
• M23: 35,035,821 km (0.101 R)
• M24: 36,905,047 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 261

Radius: 6.4

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 6.39 AU - 9.01 AU

Year: 14492 Days

Day: 19.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,681,501 km

• M1: 79,736 km (0.102 R)
• M2: 356,342 km (0.047 R)
• M3: 824,883 km (0.084 R)
• M4: 1,044,343 km (0.111 R)
• M5: 1,576,462 km (0.102 R)
• M6: 2,775,938 km (0.091 R)
• M7: 9,867,775 km (0.109 R)
• M8: 14,482,869 km (0.116 R)
• M9: 16,521,888 km (0.045 R)
• M10: 26,314,265 km (0.119 R)
• M11: 28,531,605 km (0.027 R)
• M12: 29,533,312 km (0.064 R)
• M13: 39,135,551 km (0.117 R)
• M14: 42,920,826 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 311.2

Radius: 7

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 7.98 AU - 8.56 AU

Year: 16131 Days

Day: 20.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 50,681,501 km

• M1: 87,066 km (0.095 R)
• M2: 353,649 km (0.12 R)
• M3: 1,760,468 km (0.066 R)
• M4: 2,389,078 km (0.049 R)
• M5: 2,649,827 km (0.107 R)
• M6: 3,158,011 km (0.115 R)
• M7: 3,423,248 km (0.105 R)
• M8: 3,755,804 km (0.087 R)
• M9: 4,251,571 km (0.105 R)
• M10: 4,636,337 km (0.071 R)
• M11: 5,441,174 km (0.057 R)
• M12: 6,260,820 km (0.11 R)
• M13: 6,719,787 km (0.087 R)
• M14: 7,747,973 km (0.119 R)
• M15: 9,358,544 km (0.119 R)
• M16: 10,852,278 km (0.111 R)
• M17: 11,855,781 km (0.101 R)
• M18: 12,145,103 km (0.085 R)
• M19: 16,349,102 km (0.05 R)
• M20: 18,580,654 km (0.117 R)
• M21: 19,850,141 km (0.112 R)
• M22: 20,589,155 km (0.1 R)
• M23: 25,412,938 km (0.111 R)
• M24: 27,779,577 km (0.084 R)
• M25: 30,613,259 km (0.089 R)
• M26: 35,156,846 km (0.075 R)
• M27: 41,178,160 km (0.026 R)
• M28: 47,560,454 km (0.114 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 385 - 13,759 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit