🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.6

Radius: 10

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.94 AU - 1.1 AU

Year: 687 Days

Day: 5.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,641,387 km

• M1: 124,765 km (0.104 R)
• M2: 484,398 km (0.109 R)
• M3: 818,001 km (0.088 R)
• M4: 1,360,742 km (0.076 R)
• M5: 2,025,854 km (0.037 R)
• M6: 2,395,810 km (0.116 R)
• M7: 2,943,488 km (0.109 R)
• M8: 3,572,696 km (0.113 R)
• M9: 4,179,017 km (0.102 R)
• M10: 4,515,462 km (0.065 R)
• M11: 4,904,716 km (0.088 R)
• M12: 5,427,411 km (0.112 R)
• M13: 5,750,841 km (0.113 R)
• M14: 6,127,529 km (0.118 R)
• M15: 6,996,992 km (0.055 R)
• M16: 7,473,162 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.6

Radius: 10.1

Gravity: 9.19 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.38 AU - 4.1 AU

Year: 4823 Days

Day: 10.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 67,641,387 km

• M1: 126,261 km (0.071 R)
• M2: 532,718 km (0.114 R)
• M3: 872,455 km (0.087 R)
• M4: 1,737,280 km (0.072 R)
• M5: 2,291,690 km (0.065 R)
• M6: 3,642,110 km (0.072 R)
• M7: 3,961,651 km (0.074 R)
• M8: 4,683,909 km (0.117 R)
• M9: 5,462,117 km (0.042 R)
• M10: 5,851,670 km (0.027 R)
• M11: 6,227,759 km (0.045 R)
• M12: 6,754,344 km (0.115 R)
• M13: 7,821,575 km (0.111 R)
• M14: 9,079,992 km (0.079 R)
• M15: 9,976,233 km (0.043 R)
• M16: 11,845,010 km (0.066 R)
• M17: 12,295,748 km (0.114 R)
• M18: 13,125,268 km (0.118 R)
• M19: 14,158,242 km (0.111 R)
• M20: 14,953,354 km (0.099 R)
• M21: 15,539,479 km (0.078 R)
• M22: 15,898,364 km (0.115 R)
• M23: 20,008,715 km (0.047 R)
• M24: 22,650,015 km (0.107 R)
• M25: 23,974,704 km (0.084 R)
• M26: 24,454,315 km (0.115 R)
• M27: 25,764,643 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.6

Radius: 12.8

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 3.19 AU - 4.41 AU

Year: 4940 Days

Day: 10.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,641,387 km

• M1: 159,172 km (0.093 R)
• M2: 576,101 km (0.096 R)
• M3: 1,014,124 km (0.114 R)
• M4: 1,771,538 km (0.097 R)
• M5: 2,225,268 km (0.051 R)
• M6: 3,372,834 km (0.08 R)
• M7: 4,033,607 km (0.098 R)
• M8: 4,779,353 km (0.119 R)
• M9: 5,390,460 km (0.09 R)
• M10: 5,963,869 km (0.071 R)
• M11: 6,609,384 km (0.089 R)
• M12: 7,931,978 km (0.079 R)
• M13: 9,669,258 km (0.112 R)
• M14: 10,517,777 km (0.071 R)
• M15: 10,960,438 km (0.09 R)
• M16: 11,369,438 km (0.082 R)
• M17: 14,633,664 km (0.093 R)
• M18: 15,185,979 km (0.067 R)
• M19: 17,597,796 km (0.075 R)
• M20: 19,917,311 km (0.05 R)
• M21: 20,596,186 km (0.077 R)
• M22: 22,946,668 km (0.069 R)
• M23: 24,301,576 km (0.069 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 24.5

Radius: 5.8

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 5.98 AU - 9.82 AU

Year: 14807 Days

Day: 20.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 139.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,641,387 km

• M1: 75,547 km (0.089 R)
• M2: 298,897 km (0.097 R)
• M3: 663,616 km (0.104 R)
• M4: 1,202,767 km (0.052 R)
• M5: 1,512,285 km (0.073 R)
• M6: 2,768,159 km (0.114 R)
• M7: 3,548,312 km (0.108 R)
• M8: 3,898,371 km (0.082 R)
• M9: 5,817,263 km (0.066 R)
• M10: 10,500,424 km (0.11 R)
• M11: 15,075,725 km (0.068 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 503.3

Radius: 7

Gravity: 10.27 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 8.31 AU - 10.71 AU

Year: 19557 Days

Day: 23 Hours

Environment

Temp: -244 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 67,641,387 km

• M1: 87,216 km (0.046 R)
• M2: 424,858 km (0.069 R)
• M3: 1,020,856 km (0.098 R)
• M4: 1,570,030 km (0.103 R)
• M5: 1,929,364 km (0.083 R)
• M6: 2,239,031 km (0.049 R)
• M7: 3,564,618 km (0.107 R)
• M8: 3,912,134 km (0.119 R)
• M9: 5,880,991 km (0.042 R)
• M10: 6,492,548 km (0.083 R)
• M11: 6,792,043 km (0.092 R)
• M12: 12,531,963 km (0.1 R)
• M13: 13,890,910 km (0.12 R)
• M14: 19,597,022 km (0.096 R)
• M15: 20,770,916 km (0.072 R)
• M16: 23,159,097 km (0.112 R)
• M17: 26,692,150 km (0.064 R)
• M18: 31,168,716 km (0.096 R)
• M19: 33,267,724 km (0.076 R)
• M20: 35,327,388 km (0.115 R)
• M21: 38,019,850 km (0.07 R)
• M22: 42,458,568 km (0.114 R)
• M23: 44,571,788 km (0.101 R)
• M24: 48,680,494 km (0.101 R)
• M25: 50,826,325 km (0.072 R)
• M26: 51,837,757 km (0.096 R)
• M27: 57,641,406 km (0.053 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 197 - 12,086 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit