🌌 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 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.52 AU - 0.58 AU

Year: 259 Days

Day: 37.9 Hours

Environment

Temp: -129 °C

Axial Tilt: 49.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,973,170 km

• M1: 406,607 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.9

Radius: 14.9

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.78 AU - 0.84 AU

Year: 464 Days

Day: 7.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 35,973,170 km

• M1: 185,352 km (0.116 R)
• M2: 748,887 km (0.099 R)
• M3: 1,286,093 km (0.101 R)
• M4: 2,547,203 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.6

Radius: 11.7

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.19 AU - 2.87 AU

Year: 2559 Days

Day: 7.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,973,170 km

• M1: 147,803 km (0.05 R)
• M2: 615,146 km (0.075 R)
• M3: 1,179,729 km (0.096 R)
• M4: 1,814,173 km (0.109 R)
• M5: 2,204,474 km (0.096 R)
• M6: 2,636,363 km (0.067 R)
• M7: 4,020,742 km (0.085 R)
• M8: 5,638,045 km (0.104 R)
• M9: 6,509,452 km (0.096 R)
• M10: 6,876,416 km (0.119 R)
• M11: 7,839,527 km (0.116 R)
• M12: 8,924,710 km (0.11 R)
• M13: 10,523,911 km (0.104 R)
• M14: 11,070,691 km (0.115 R)
• M15: 12,221,248 km (0.066 R)
• M16: 13,954,489 km (0.034 R)
• M17: 15,099,362 km (0.104 R)
• M18: 17,305,781 km (0.096 R)
• M19: 17,902,976 km (0.092 R)
• M20: 18,682,979 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.6

Radius: 14.9

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.19 AU - 3.61 AU

Year: 3140 Days

Day: 7.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,973,170 km

• M1: 185,651 km (0.099 R)
• M2: 687,701 km (0.073 R)
• M3: 1,208,152 km (0.102 R)
• M4: 3,235,204 km (0.059 R)
• M5: 3,924,551 km (0.059 R)
• M6: 4,407,004 km (0.117 R)
• M7: 5,129,262 km (0.05 R)
• M8: 7,124,898 km (0.09 R)
• M9: 7,950,080 km (0.086 R)
• M10: 8,875,342 km (0.074 R)
• M11: 9,911,009 km (0.079 R)
• M12: 10,396,454 km (0.075 R)
• M13: 11,025,662 km (0.078 R)
• M14: 11,547,310 km (0.063 R)
• M15: 12,593,448 km (0.089 R)
• M16: 14,459,083 km (0.099 R)
• M17: 15,404,542 km (0.075 R)
• M18: 16,223,590 km (0.09 R)
• M19: 18,187,810 km (0.069 R)
• M20: 19,984,780 km (0.069 R)
• M21: 21,091,654 km (0.094 R)
• M22: 21,559,297 km (0.114 R)
• M23: 22,376,849 km (0.11 R)
• M24: 23,499,133 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.3

Radius: 10.6

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 3.27 AU - 4.31 AU

Year: 4691 Days

Day: 11.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,973,170 km

• M1: 131,945 km (0.06 R)
• M2: 593,604 km (0.118 R)
• M3: 958,623 km (0.065 R)
• M4: 1,576,612 km (0.119 R)
• M5: 2,066,994 km (0.106 R)
• M6: 3,788,416 km (0.09 R)
• M7: 4,653,990 km (0.089 R)
• M8: 5,972,545 km (0.044 R)
• M9: 6,338,013 km (0.116 R)
• M10: 8,427,746 km (0.096 R)
• M11: 8,888,507 km (0.033 R)
• M12: 14,654,159 km (0.118 R)
• M13: 15,176,704 km (0.084 R)
• M14: 16,461,301 km (0.113 R)
• M15: 17,710,294 km (0.04 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.4

Radius: 8.1

Gravity: 13.54 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 3.83 AU - 4.81 AU

Year: 5709 Days

Day: 5.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 35,973,170 km

• M1: 100,679 km (0.112 R)
• M2: 423,512 km (0.108 R)
• M3: 799,002 km (0.081 R)
• M4: 1,118,543 km (0.114 R)
• M5: 1,485,956 km (0.082 R)
• M6: 1,830,779 km (0.054 R)
• M7: 2,131,919 km (0.089 R)
• M8: 2,609,436 km (0.12 R)
• M9: 3,369,542 km (0.108 R)
• M10: 3,777,795 km (0.119 R)
• M11: 4,193,228 km (0.076 R)
• M12: 5,144,671 km (0.115 R)
• M13: 5,844,041 km (0.092 R)
• M14: 8,163,257 km (0.111 R)
• M15: 8,733,075 km (0.048 R)
• M16: 9,504,551 km (0.063 R)
• M17: 9,861,492 km (0.067 R)
• M18: 10,745,615 km (0.036 R)
• M19: 11,987,876 km (0.118 R)
• M20: 12,510,720 km (0.114 R)
• M21: 14,170,808 km (0.045 R)
• M22: 15,477,844 km (0.114 R)
• M23: 21,975,778 km (0.089 R)
• M24: 23,968,122 km (0.117 R)
• M25: 24,713,867 km (0.119 R)
• M26: 25,732,180 km (0.105 R)
• M27: 27,044,153 km (0.107 R)
• M28: 33,247,229 km (0.047 R)
• M29: 34,487,545 km (0.071 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 362 - 12,402 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit