🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.8

Radius: 10.6

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.63 AU - 0.81 AU

Year: 394 Days

Day: 8.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,882,822 km

• M1: 131,945 km (0.063 R)
• M2: 642,224 km (0.071 R)
• M3: 1,056,311 km (0.116 R)
• M4: 1,457,981 km (0.117 R)
• M5: 1,929,513 km (0.096 R)
• M6: 2,305,154 km (0.103 R)
• M7: 3,788,716 km (0.083 R)
• M8: 4,133,090 km (0.111 R)
• M9: 4,688,846 km (0.115 R)
• M10: 5,102,484 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.9

Radius: 12.1

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.78 AU - 0.98 AU

Year: 533 Days

Day: 14.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,882,822 km

• M1: 161,566 km (0.098 R)
• M2: 580,290 km (0.074 R)
• M3: 1,054,366 km (0.105 R)
• M4: 1,604,736 km (0.084 R)
• M5: 3,236,400 km (0.043 R)
• M6: 3,768,819 km (0.086 R)
• M7: 4,330,559 km (0.087 R)
• M8: 4,869,411 km (0.099 R)
• M9: 5,335,558 km (0.094 R)
• M10: 6,283,559 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.4

Radius: 14.8

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.99 AU - 1.35 AU

Year: 817 Days

Day: 6.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,882,822 km

• M1: 184,005 km (0.078 R)
• M2: 896,390 km (0.068 R)
• M3: 1,486,255 km (0.067 R)
• M4: 2,071,931 km (0.094 R)
• M5: 2,859,862 km (0.08 R)
• M6: 3,324,962 km (0.079 R)
• M7: 4,103,320 km (0.114 R)
• M8: 5,202,715 km (0.063 R)
• M9: 5,943,673 km (0.087 R)
• M10: 6,888,683 km (0.061 R)
• M11: 7,783,577 km (0.048 R)
• M12: 8,413,833 km (0.102 R)
• M13: 8,942,362 km (0.096 R)
• M14: 9,464,908 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.3

Radius: 11.7

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.39 AU - 3.49 AU

Year: 3255 Days

Day: 11.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 161.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,882,822 km

• M1: 145,708 km (0.118 R)
• M2: 513,569 km (0.11 R)
• M3: 1,063,342 km (0.075 R)
• M4: 1,617,003 km (0.076 R)
• M5: 2,925,835 km (0.038 R)
• M6: 3,419,508 km (0.049 R)
• M7: 3,791,857 km (0.108 R)
• M8: 5,267,491 km (0.085 R)
• M9: 7,125,197 km (0.082 R)
• M10: 8,023,682 km (0.077 R)
• M11: 8,416,975 km (0.107 R)
• M12: 11,175,111 km (0.059 R)
• M13: 12,913,587 km (0.076 R)
• M14: 13,500,759 km (0.072 R)
• M15: 15,269,754 km (0.103 R)
• M16: 16,444,396 km (0.108 R)
• M17: 17,568,624 km (0.096 R)
• M18: 19,910,429 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.2

Radius: 8.6

Gravity: 11.44 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.08 AU - 3.4 AU

Year: 3766 Days

Day: 12.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,882,822 km

• M1: 108,608 km (0.092 R)
• M2: 758,461 km (0.079 R)
• M3: 1,156,840 km (0.04 R)
• M4: 1,753,287 km (0.118 R)
• M5: 2,445,028 km (0.114 R)
• M6: 3,841,374 km (0.066 R)
• M7: 6,818,222 km (0.086 R)
• M8: 8,997,265 km (0.089 R)
• M9: 11,107,941 km (0.057 R)
• M10: 12,783,437 km (0.074 R)
• M11: 14,997,635 km (0.115 R)
• M12: 17,576,104 km (0.109 R)
• M13: 18,560,159 km (0.065 R)
• M14: 20,369,695 km (0.048 R)
• M15: 23,009,499 km (0.12 R)
• M16: 23,666,682 km (0.092 R)
• M17: 24,186,385 km (0.099 R)
• M18: 25,171,637 km (0.104 R)
• M19: 25,557,599 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263

Radius: 14.2

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.6 AU - 3.8 AU

Year: 4595 Days

Day: 10.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,882,822 km

• M1: 176,675 km (0.093 R)
• M2: 720,912 km (0.037 R)
• M3: 1,193,342 km (0.033 R)
• M4: 2,596,570 km (0.039 R)
• M5: 3,433,570 km (0.052 R)
• M6: 4,358,235 km (0.118 R)
• M7: 5,126,420 km (0.092 R)
• M8: 5,568,781 km (0.063 R)
• M9: 7,141,503 km (0.091 R)
• M10: 9,028,979 km (0.059 R)
• M11: 10,203,024 km (0.054 R)
• M12: 11,810,752 km (0.08 R)
• M13: 12,281,237 km (0.115 R)
• M14: 13,862,187 km (0.1 R)
• M15: 14,531,189 km (0.08 R)
• M16: 15,524,220 km (0.115 R)
• M17: 18,833,774 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.2

Radius: 14.2

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 4.04 AU - 4.12 AU

Year: 5321 Days

Day: 14.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 27,882,822 km

• M1: 177,722 km (0.069 R)
• M2: 630,555 km (0.082 R)
• M3: 1,218,175 km (0.055 R)
• M4: 1,720,974 km (0.067 R)
• M5: 2,214,647 km (0.088 R)
• M6: 2,752,152 km (0.095 R)
• M7: 3,681,604 km (0.108 R)
• M8: 4,140,121 km (0.103 R)
• M9: 5,120,885 km (0.104 R)
• M10: 7,576,683 km (0.109 R)
• M11: 8,251,071 km (0.081 R)
• M12: 9,120,982 km (0.079 R)
• M13: 10,134,957 km (0.057 R)
• M14: 10,954,753 km (0.095 R)
• M15: 11,540,877 km (0.069 R)
• M16: 12,243,239 km (0.12 R)
• M17: 14,097,804 km (0.089 R)
• M18: 15,734,106 km (0.099 R)
• M19: 16,191,127 km (0.073 R)
• M20: 16,656,975 km (0.074 R)
• M21: 19,057,572 km (0.081 R)
• M22: 20,374,482 km (0.096 R)
• M23: 24,536,444 km (0.04 R)
• M24: 26,094,207 km (0.113 R)
• M25: 26,978,480 km (0.069 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 187 - 12,496 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit