🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.1

Radius: 8.6

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.5 AU - 0.56 AU

Year: 266 Days

Day: 6.9 Hours

Environment

Temp: -133 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 76,625,009 km

• M1: 107,112 km (0.047 R)
• M2: 381,475 km (0.074 R)
• M3: 712,834 km (0.073 R)
• M4: 1,067,830 km (0.108 R)
• M5: 1,461,571 km (0.063 R)
• M6: 1,845,739 km (0.116 R)
• M7: 2,706,973 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.9

Radius: 11.6

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.57 AU - 0.83 AU

Year: 404 Days

Day: 9.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,625,009 km

• M1: 144,212 km (0.104 R)
• M2: 518,955 km (0.101 R)
• M3: 1,097,300 km (0.092 R)
• M4: 1,480,570 km (0.118 R)
• M5: 1,859,352 km (0.056 R)
• M6: 2,346,143 km (0.082 R)
• M7: 2,828,746 km (0.108 R)
• M8: 3,567,909 km (0.078 R)
• M9: 4,020,592 km (0.092 R)
• M10: 4,418,224 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.8

Radius: 13.6

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.56 AU - 0.9 AU

Year: 431 Days

Day: 13 Hours

Environment

Temp: -152 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,625,009 km

• M1: 169,195 km (0.044 R)
• M2: 739,313 km (0.041 R)
• M3: 1,220,120 km (0.075 R)
• M4: 1,683,275 km (0.06 R)
• M5: 2,169,917 km (0.066 R)
• M6: 2,611,081 km (0.119 R)
• M7: 3,363,858 km (0.096 R)
• M8: 4,066,818 km (0.094 R)
• M9: 4,525,784 km (0.076 R)
• M10: 5,191,794 km (0.103 R)
• M11: 5,615,605 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.1

Radius: 13.2

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.62 AU - 2.64 AU

Year: 2944 Days

Day: 5.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,625,009 km

• M1: 173,683 km (0.063 R)
• M2: 592,258 km (0.081 R)
• M3: 1,008,738 km (0.086 R)
• M4: 1,457,382 km (0.107 R)
• M5: 1,941,780 km (0.087 R)
• M6: 2,494,694 km (0.05 R)
• M7: 3,014,397 km (0.101 R)
• M8: 4,012,664 km (0.098 R)
• M9: 4,469,386 km (0.102 R)
• M10: 5,242,209 km (0.083 R)
• M11: 7,411,976 km (0.078 R)
• M12: 8,073,947 km (0.079 R)
• M13: 9,189,049 km (0.101 R)
• M14: 10,299,215 km (0.111 R)
• M15: 12,704,450 km (0.091 R)
• M16: 14,038,115 km (0.072 R)
• M17: 14,517,426 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 501.6

Radius: 3.1

Gravity: 52.2 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 9.07 AU - 12.01 AU

Year: 23620 Days

Day: 18.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 76,625,009 km

• M1: 49,966 km (0.048 R)
• M2: 151,991 km (0.093 R)
• M3: 257,907 km (0.08 R)
• M4: 435,031 km (0.113 R)
• M5: 758,012 km (0.033 R)
• M6: 2,524,614 km (0.1 R)
• M7: 2,917,906 km (0.05 R)
• M8: 3,464,986 km (0.082 R)
• M9: 4,109,753 km (0.072 R)
• M10: 4,207,889 km (0.11 R)
• M11: 5,051,172 km (0.071 R)
• M12: 6,562,559 km (0.099 R)
• M13: 6,924,885 km (0.083 R)
• M14: 7,205,232 km (0.115 R)
• M15: 8,194,672 km (0.118 R)
• M16: 9,159,728 km (0.103 R)
• M17: 9,440,523 km (0.118 R)
• M18: 10,932,014 km (0.05 R)
• M19: 11,376,170 km (0.075 R)
• M20: 12,504,587 km (0.062 R)
• M21: 15,847,950 km (0.108 R)
• M22: 20,781,239 km (0.11 R)
• M23: 24,119,814 km (0.082 R)
• M24: 25,859,937 km (0.065 R)
• M25: 27,565,652 km (0.054 R)
• M26: 29,587,766 km (0.067 R)
• M27: 30,822,248 km (0.071 R)
• M28: 35,826,596 km (0.095 R)
• M29: 36,522,824 km (0.096 R)
• M30: 39,103,986 km (0.112 R)
• M31: 40,289,100 km (0.09 R)
• M32: 43,513,832 km (0.076 R)
• M33: 43,829,633 km (0.113 R)
• M34: 45,431,677 km (0.089 R)
• M35: 46,083,175 km (0.058 R)
• M36: 58,516,254 km (0.12 R)
• M37: 60,849,981 km (0.116 R)
• M38: 65,701,889 km (0.052 R)
• M39: 68,647,920 km (0.064 R)
• M40: 69,937,005 km (0.065 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: 352 - 13,061 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit