🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.53 AU - 0.79 AU

Year: 352 Days

Day: 33.7 Hours

Environment

Temp: -135 °C

Axial Tilt: 13.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.93 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.8

Radius: 9.7

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.92 AU - 1.46 AU

Year: 852 Days

Day: 9.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 63,882,587 km

• M1: 130,001 km (0.063 R)
• M2: 549,024 km (0.044 R)
• M3: 1,602,792 km (0.072 R)
• M4: 2,928,079 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.3

Radius: 10.2

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.84 AU - 1.94 AU

Year: 1705 Days

Day: 7.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,882,587 km

• M1: 126,859 km (0.109 R)
• M2: 477,965 km (0.116 R)
• M3: 1,922,781 km (0.065 R)
• M4: 2,246,810 km (0.061 R)
• M5: 2,949,920 km (0.069 R)
• M6: 3,512,109 km (0.11 R)
• M7: 4,054,551 km (0.09 R)
• M8: 4,730,733 km (0.052 R)
• M9: 5,096,201 km (0.033 R)
• M10: 5,524,350 km (0.108 R)
• M11: 5,930,209 km (0.066 R)
• M12: 6,601,006 km (0.047 R)
• M13: 7,110,536 km (0.117 R)
• M14: 7,784,176 km (0.092 R)
• M15: 8,353,396 km (0.037 R)
• M16: 9,011,177 km (0.119 R)
• M17: 9,352,859 km (0.101 R)
• M18: 10,161,735 km (0.074 R)
• M19: 11,443,489 km (0.117 R)
• M20: 12,636,383 km (0.101 R)
• M21: 13,025,636 km (0.083 R)
• M22: 13,463,060 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334

Radius: 14.1

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.99 AU - 4.77 AU

Year: 5014 Days

Day: 8 Hours

Environment

Temp: -205 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,882,587 km

• M1: 179,667 km (0.099 R)
• M2: 694,134 km (0.106 R)
• M3: 1,492,837 km (0.062 R)
• M4: 2,445,925 km (0.073 R)
• M5: 3,273,800 km (0.103 R)
• M6: 3,917,669 km (0.114 R)
• M7: 4,529,225 km (0.049 R)
• M8: 5,305,937 km (0.068 R)
• M9: 5,862,741 km (0.033 R)
• M10: 7,672,576 km (0.083 R)
• M11: 8,247,331 km (0.082 R)
• M12: 9,908,765 km (0.105 R)
• M13: 10,468,709 km (0.081 R)
• M14: 11,652,029 km (0.091 R)
• M15: 16,502,291 km (0.106 R)
• M16: 17,577,750 km (0.118 R)
• M17: 20,120,764 km (0.052 R)
• M18: 21,348,065 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.6

Radius: 9.9

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 4.84 AU - 4.86 AU

Year: 7007 Days

Day: 14.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,882,587 km

• M1: 123,119 km (0.099 R)
• M2: 999,164 km (0.112 R)
• M3: 1,375,552 km (0.071 R)
• M4: 2,045,003 km (0.119 R)
• M5: 2,470,160 km (0.058 R)
• M6: 3,559,981 km (0.054 R)
• M7: 4,431,837 km (0.112 R)
• M8: 5,603,487 km (0.078 R)
• M9: 6,563,457 km (0.118 R)
• M10: 7,002,527 km (0.063 R)
• M11: 7,494,405 km (0.104 R)
• M12: 8,009,320 km (0.08 R)
• M13: 8,807,126 km (0.091 R)
• M14: 10,350,228 km (0.112 R)
• M15: 12,346,013 km (0.081 R)
• M16: 12,822,183 km (0.066 R)
• M17: 13,360,137 km (0.037 R)
• M18: 15,172,216 km (0.099 R)
• M19: 16,335,040 km (0.078 R)
• M20: 17,025,584 km (0.086 R)
• M21: 17,615,897 km (0.03 R)
• M22: 18,403,530 km (0.071 R)
• M23: 22,416,194 km (0.108 R)
• M24: 25,114,939 km (0.043 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 379.3

Radius: 5.2

Gravity: 14.03 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 6.09 AU - 7.13 AU

Year: 11148 Days

Day: 19.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,882,587 km

• M1: 65,225 km (0.083 R)
• M2: 257,907 km (0.069 R)
• M3: 478,713 km (0.09 R)
• M4: 1,462,319 km (0.058 R)
• M5: 2,571,139 km (0.105 R)
• M6: 3,106,699 km (0.073 R)
• M7: 4,285,829 km (0.085 R)
• M8: 4,507,982 km (0.086 R)
• M9: 6,284,457 km (0.083 R)
• M10: 7,605,107 km (0.072 R)
• M11: 8,394,685 km (0.072 R)
• M12: 8,742,948 km (0.106 R)
• M13: 11,562,120 km (0.116 R)
• M14: 13,409,654 km (0.075 R)
• M15: 20,271,409 km (0.113 R)
• M16: 26,290,031 km (0.12 R)
• M17: 27,128,975 km (0.116 R)
• M18: 29,056,843 km (0.102 R)
• M19: 29,254,462 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 538.9

Radius: 5.6

Gravity: 17.18 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 5.41 AU - 8.45 AU

Year: 11968 Days

Day: 19.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,882,587 km

• M1: 297,550 km (0.055 R)
• M2: 585,676 km (0.114 R)
• M3: 1,779,467 km (0.12 R)
• M4: 1,992,943 km (0.106 R)
• M5: 2,223,623 km (0.083 R)
• M6: 2,511,599 km (0.082 R)
• M7: 5,207,951 km (0.113 R)
• M8: 6,408,474 km (0.109 R)
• M9: 9,588,176 km (0.111 R)
• M10: 10,990,507 km (0.098 R)
• M11: 16,361,220 km (0.038 R)
• M12: 17,821,445 km (0.118 R)
• M13: 18,815,971 km (0.09 R)
• M14: 19,847,000 km (0.065 R)
• M15: 28,038,082 km (0.118 R)
• M16: 36,866,450 km (0.076 R)
• M17: 42,774,370 km (0.081 R)
• M18: 45,528,766 km (0.111 R)
• M19: 49,580,175 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 325.5

Radius: 6.9

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 9.14 AU - 11.87 AU

Year: 22320 Days

Day: 24.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,882,587 km

• M1: 89,908 km (0.098 R)
• M2: 352,004 km (0.105 R)
• M3: 1,412,653 km (0.063 R)
• M4: 2,079,859 km (0.089 R)
• M5: 3,477,103 km (0.071 R)
• M6: 4,199,511 km (0.118 R)
• M7: 6,295,527 km (0.097 R)
• M8: 7,409,134 km (0.117 R)
• M9: 7,870,494 km (0.083 R)
• M10: 8,598,437 km (0.12 R)
• M11: 11,962,893 km (0.115 R)
• M12: 17,444,757 km (0.07 R)
• M13: 31,420,789 km (0.077 R)
• M14: 32,872,337 km (0.042 R)
• M15: 37,360,871 km (0.098 R)
• M16: 38,169,149 km (0.1 R)
• M17: 40,381,701 km (0.075 R)
• M18: 42,971,390 km (0.112 R)
• M19: 47,530,086 km (0.073 R)
• M20: 63,310,118 km (0.091 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: 167 - 19,487 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit